From f4965ab6604c016a4ed39c880d5000e11350061e Mon Sep 17 00:00:00 2001
From: Alexander Gryaznov <hi@agryaznov.com>
Date: Mon, 20 Feb 2023 22:24:48 +0200
Subject: [PATCH 1/5] remove all `#[inline.*]`

---
 crates/allocator/src/bump.rs                     |  4 ----
 crates/engine/src/ext.rs                         |  1 -
 crates/env/src/call/call_builder.rs              |  9 ---------
 crates/env/src/call/common.rs                    |  7 -------
 crates/env/src/call/create_builder.rs            | 16 ----------------
 crates/env/src/call/execution_input.rs           | 15 ---------------
 crates/env/src/chain_extension.rs                |  9 ---------
 crates/env/src/engine/on_chain/buffer.rs         |  5 -----
 crates/env/src/engine/on_chain/ext.rs            | 11 -----------
 crates/env/src/engine/on_chain/impls.rs          |  3 ---
 crates/env/src/topics.rs                         |  2 --
 crates/env/src/types.rs                          |  5 -----
 .../src/generator/as_dependency/call_builder.rs  |  8 --------
 .../src/generator/as_dependency/contract_ref.rs  |  8 --------
 .../ink/codegen/src/generator/chain_extension.rs |  1 -
 .../src/generator/trait_def/call_builder.rs      |  4 ----
 .../src/generator/trait_def/call_forwarder.rs    |  6 ------
 crates/ink/ir/src/ir/attrs.rs                    |  2 --
 crates/ink/macro/src/storage/storable.rs         |  4 ----
 crates/ink/macro/src/storage/tests/storable.rs   | 12 ------------
 crates/ink/src/codegen/dispatch/execution.rs     |  1 -
 crates/ink/src/env_access.rs                     |  1 -
 crates/ink/src/reflect/dispatch.rs               |  4 ----
 crates/ink/src/result_info.rs                    |  2 --
 .../ui/contract/pass/example-erc20-works.rs      |  2 --
 crates/primitives/src/types.rs                   |  4 ----
 crates/storage/src/lazy/mapping.rs               |  8 --------
 crates/storage/src/lazy/mod.rs                   |  2 --
 crates/storage/traits/src/storage.rs             |  2 --
 integration-tests/erc20/lib.rs                   |  4 ----
 integration-tests/trait-erc20/lib.rs             |  4 ----
 31 files changed, 166 deletions(-)

diff --git a/crates/allocator/src/bump.rs b/crates/allocator/src/bump.rs
index 719900faa75..3ce17a5e088 100644
--- a/crates/allocator/src/bump.rs
+++ b/crates/allocator/src/bump.rs
@@ -35,7 +35,6 @@ static mut INNER: InnerAlloc = InnerAlloc::new();
 pub struct BumpAllocator;
 
 unsafe impl GlobalAlloc for BumpAllocator {
-    #[inline]
     unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
         match INNER.alloc(layout) {
             Some(start) => start as *mut u8,
@@ -43,7 +42,6 @@ unsafe impl GlobalAlloc for BumpAllocator {
         }
     }
 
-    #[inline]
     unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8 {
         // A new page in Wasm is guaranteed to already be zero initialized, so we can just use our
         // regular `alloc` call here and save a bit of work.
@@ -52,7 +50,6 @@ unsafe impl GlobalAlloc for BumpAllocator {
         self.alloc(layout)
     }
 
-    #[inline]
     unsafe fn dealloc(&self, _ptr: *mut u8, _layout: Layout) {}
 }
 
@@ -142,7 +139,6 @@ impl InnerAlloc {
 /// This function rounds up to the next page. For example, if we have an allocation of
 /// `size = PAGE_SIZE / 2` this function will indicate that one page is required to satisfy
 /// the allocation.
-#[inline]
 fn required_pages(size: usize) -> Option<usize> {
     size.checked_add(PAGE_SIZE - 1)
         .and_then(|num| num.checked_div(PAGE_SIZE))
diff --git a/crates/engine/src/ext.rs b/crates/engine/src/ext.rs
index f6d302407c0..78ebf3d824d 100644
--- a/crates/engine/src/ext.rs
+++ b/crates/engine/src/ext.rs
@@ -57,7 +57,6 @@ macro_rules! define_error_codes {
         }
 
         impl From<ReturnCode> for Result {
-            #[inline]
             fn from(return_code: ReturnCode) -> Self {
                 match return_code.0 {
                     0 => Ok(()),
diff --git a/crates/env/src/call/call_builder.rs b/crates/env/src/call/call_builder.rs
index 3ea6c065c97..fb908987aab 100644
--- a/crates/env/src/call/call_builder.rs
+++ b/crates/env/src/call/call_builder.rs
@@ -53,13 +53,11 @@ where
     E: Environment,
 {
     /// Returns the call flags.
-    #[inline]
     pub fn call_flags(&self) -> &CallFlags {
         &self.call_flags
     }
 
     /// Returns the execution input.
-    #[inline]
     pub fn exec_input(&self) -> &ExecutionInput<Args> {
         &self.exec_input
     }
@@ -70,19 +68,16 @@ where
     E: Environment,
 {
     /// Returns the account ID of the called contract instance.
-    #[inline]
     pub fn callee(&self) -> &E::AccountId {
         &self.call_type.callee
     }
 
     /// Returns the chosen gas limit for the called contract execution.
-    #[inline]
     pub fn gas_limit(&self) -> Gas {
         self.call_type.gas_limit
     }
 
     /// Returns the transferred value for the called contract.
-    #[inline]
     pub fn transferred_value(&self) -> &E::Balance {
         &self.call_type.transferred_value
     }
@@ -93,7 +88,6 @@ where
     E: Environment,
 {
     /// Returns the code hash which we use to perform a delegate call.
-    #[inline]
     pub fn code_hash(&self) -> &E::Hash {
         &self.call_type.code_hash
     }
@@ -409,7 +403,6 @@ where
     E: Environment,
 {
     /// The type of the call.
-    #[inline]
     #[must_use]
     pub fn call_type<NewCallType>(
         self,
@@ -430,7 +423,6 @@ where
     E: Environment,
 {
     /// The flags used to change the behavior of the contract call.
-    #[inline]
     #[must_use]
     pub fn call_flags(
         self,
@@ -456,7 +448,6 @@ where
     ///
     /// Either use `.returns::<()>` to signal that the call does not return a value
     /// or use `.returns::<T>` to signal that the call returns a value of type `T`.
-    #[inline]
     pub fn returns<R>(self) -> CallBuilder<E, CallType, Args, Set<ReturnType<R>>> {
         CallBuilder {
             call_type: self.call_type,
diff --git a/crates/env/src/call/common.rs b/crates/env/src/call/common.rs
index e1cc4171a2d..22f066cd28b 100644
--- a/crates/env/src/call/common.rs
+++ b/crates/env/src/call/common.rs
@@ -23,7 +23,6 @@ use core::marker::PhantomData;
 pub struct ReturnType<T>(PhantomData<fn() -> T>);
 
 impl<T> Clone for ReturnType<T> {
-    #[inline]
     fn clone(&self) -> Self {
         Self(Default::default())
     }
@@ -32,7 +31,6 @@ impl<T> Clone for ReturnType<T> {
 impl<T> Copy for ReturnType<T> {}
 
 impl<T> Default for ReturnType<T> {
-    #[inline]
     fn default() -> Self {
         Self(Default::default())
     }
@@ -44,7 +42,6 @@ pub struct Set<T>(pub T);
 
 impl<T> Set<T> {
     /// Returns the set value.
-    #[inline]
     pub fn value(self) -> T {
         self.0
     }
@@ -55,7 +52,6 @@ impl<T> Set<T> {
 pub struct Unset<T>(PhantomData<fn() -> T>);
 
 impl<T> Clone for Unset<T> {
-    #[inline]
     fn clone(&self) -> Self {
         Self(Default::default())
     }
@@ -64,7 +60,6 @@ impl<T> Clone for Unset<T> {
 impl<T> Copy for Unset<T> {}
 
 impl<T> Default for Unset<T> {
-    #[inline]
     fn default() -> Self {
         Self(Default::default())
     }
@@ -87,7 +82,6 @@ pub trait Unwrap {
 impl<T> Unwrap for Unset<T> {
     type Output = T;
 
-    #[inline]
     fn unwrap_or_else<F>(self, f: F) -> Self::Output
     where
         F: FnOnce() -> Self::Output,
@@ -99,7 +93,6 @@ impl<T> Unwrap for Unset<T> {
 impl<T> Unwrap for Set<T> {
     type Output = T;
 
-    #[inline]
     fn unwrap_or_else<F>(self, _: F) -> Self::Output
     where
         F: FnOnce() -> Self::Output,
diff --git a/crates/env/src/call/create_builder.rs b/crates/env/src/call/create_builder.rs
index 123aca9c99b..2531e0742a5 100644
--- a/crates/env/src/call/create_builder.rs
+++ b/crates/env/src/call/create_builder.rs
@@ -188,25 +188,21 @@ where
     E: Environment,
 {
     /// The code hash of the contract.
-    #[inline]
     pub fn code_hash(&self) -> &E::Hash {
         &self.code_hash
     }
 
     /// The gas limit for the contract instantiation.
-    #[inline]
     pub fn gas_limit(&self) -> u64 {
         self.gas_limit
     }
 
     /// The endowment for the instantiated contract.
-    #[inline]
     pub fn endowment(&self) -> &E::Balance {
         &self.endowment
     }
 
     /// The raw encoded input data.
-    #[inline]
     pub fn exec_input(&self) -> &ExecutionInput<Args> {
         &self.exec_input
     }
@@ -226,7 +222,6 @@ where
     Salt: AsRef<[u8]>,
 {
     /// The salt for determining the hash for the contract account ID.
-    #[inline]
     pub fn salt_bytes(&self) -> &Salt {
         &self.salt_bytes
     }
@@ -247,7 +242,6 @@ where
     /// This method panics if it encounters an [`ink::env::Error`][`crate::Error`] or an
     /// [`ink::primitives::LangError`][`ink_primitives::LangError`]. If you want to handle those
     /// use the [`try_instantiate`][`CreateParams::try_instantiate`] method instead.
-    #[inline]
     pub fn instantiate(&self) -> <R as ConstructorReturnType<ContractRef>>::Output {
         crate::instantiate_contract(self)
             .unwrap_or_else(|env_error| {
@@ -265,7 +259,6 @@ where
     /// On failure this returns an outer [`ink::env::Error`][`crate::Error`] or inner
     /// [`ink::primitives::LangError`][`ink_primitives::LangError`], both of which can be handled
     /// by the caller.
-    #[inline]
     pub fn try_instantiate(
         &self,
     ) -> Result<
@@ -444,7 +437,6 @@ where
     E: Environment,
 {
     /// Sets the used code hash for the contract instantiation.
-    #[inline]
     pub fn code_hash(
         self,
         code_hash: E::Hash,
@@ -476,7 +468,6 @@ where
     E: Environment,
 {
     /// Sets the maximum allowed gas costs for the contract instantiation.
-    #[inline]
     pub fn gas_limit(
         self,
         gas_limit: u64,
@@ -509,7 +500,6 @@ where
     E: Environment,
 {
     /// Sets the value transferred upon the execution of the call.
-    #[inline]
     pub fn endowment(
         self,
         endowment: E::Balance,
@@ -550,7 +540,6 @@ where
     E: Environment,
 {
     /// Sets the value transferred upon the execution of the call.
-    #[inline]
     pub fn exec_input<Args>(
         self,
         exec_input: ExecutionInput<Args>,
@@ -591,7 +580,6 @@ where
     E: Environment,
 {
     /// Sets the value transferred upon the execution of the call.
-    #[inline]
     pub fn salt_bytes<Salt>(
         self,
         salt: Salt,
@@ -643,7 +631,6 @@ where
     ///
     /// Therefore this must always be a reference (i.e `ContractRef`) to the contract you're trying
     /// to instantiate.
-    #[inline]
     pub fn returns<R>(
         self,
     ) -> CreateBuilder<
@@ -688,7 +675,6 @@ where
     GasLimit: Unwrap<Output = u64>,
 {
     /// Finalizes the create builder, allowing it to instantiate a contract.
-    #[inline]
     pub fn params(self) -> CreateParams<E, ContractRef, Args, Salt, RetType> {
         CreateParams {
             code_hash: self.code_hash.value(),
@@ -728,7 +714,6 @@ where
     /// This method panics if it encounters an [`ink::env::Error`][`crate::Error`] or an
     /// [`ink::primitives::LangError`][`ink_primitives::LangError`]. If you want to handle those
     /// use the [`try_instantiate`][`CreateBuilder::try_instantiate`] method instead.
-    #[inline]
     pub fn instantiate(self) -> <RetType as ConstructorReturnType<ContractRef>>::Output {
         self.params().instantiate()
     }
@@ -740,7 +725,6 @@ where
     /// On failure this returns an outer [`ink::env::Error`][`crate::Error`] or inner
     /// [`ink::primitives::LangError`][`ink_primitives::LangError`], both of which can be handled
     /// by the caller.
-    #[inline]
     pub fn try_instantiate(
         self,
     ) -> Result<
diff --git a/crates/env/src/call/execution_input.rs b/crates/env/src/call/execution_input.rs
index fb491468522..12911f632e8 100644
--- a/crates/env/src/call/execution_input.rs
+++ b/crates/env/src/call/execution_input.rs
@@ -25,7 +25,6 @@ pub struct ExecutionInput<Args> {
 
 impl ExecutionInput<EmptyArgumentList> {
     /// Creates a new execution input with the given selector.
-    #[inline]
     pub fn new(selector: Selector) -> Self {
         Self {
             selector,
@@ -34,7 +33,6 @@ impl ExecutionInput<EmptyArgumentList> {
     }
 
     /// Pushes an argument to the execution input.
-    #[inline]
     pub fn push_arg<T>(
         self,
         arg: T,
@@ -51,7 +49,6 @@ impl ExecutionInput<EmptyArgumentList> {
 
 impl<Head, Rest> ExecutionInput<ArgumentList<Argument<Head>, Rest>> {
     /// Pushes an argument to the execution input.
-    #[inline]
     pub fn push_arg<T>(self, arg: T) -> ExecutionInput<ArgsList<T, ArgsList<Head, Rest>>>
     where
         T: scale::Encode,
@@ -102,7 +99,6 @@ pub struct Argument<T> {
 
 impl<T> Argument<T> {
     /// Creates a new argument.
-    #[inline]
     fn new(arg: T) -> Self {
         Self { arg }
     }
@@ -117,7 +113,6 @@ pub type EmptyArgumentList = ArgumentList<ArgumentListEnd, ArgumentListEnd>;
 
 impl EmptyArgumentList {
     /// Creates a new empty argument list.
-    #[inline]
     pub fn empty() -> EmptyArgumentList {
         ArgumentList {
             head: ArgumentListEnd,
@@ -126,7 +121,6 @@ impl EmptyArgumentList {
     }
 
     /// Pushes the first argument to the empty argument list.
-    #[inline]
     pub fn push_arg<T>(self, arg: T) -> ArgumentList<Argument<T>, Self>
     where
         T: scale::Encode,
@@ -140,7 +134,6 @@ impl EmptyArgumentList {
 
 impl<Head, Rest> ArgumentList<Argument<Head>, Rest> {
     /// Pushes another argument to the argument list.
-    #[inline]
     pub fn push_arg<T>(self, arg: T) -> ArgumentList<Argument<T>, Self>
     where
         T: scale::Encode,
@@ -156,24 +149,20 @@ impl<T> scale::Encode for Argument<T>
 where
     T: scale::Encode,
 {
-    #[inline]
     fn size_hint(&self) -> usize {
         <T as scale::Encode>::size_hint(&self.arg)
     }
 
-    #[inline]
     fn encode_to<O: scale::Output + ?Sized>(&self, output: &mut O) {
         <T as scale::Encode>::encode_to(&self.arg, output)
     }
 }
 
 impl scale::Encode for EmptyArgumentList {
-    #[inline]
     fn size_hint(&self) -> usize {
         0
     }
 
-    #[inline]
     fn encode_to<O: scale::Output + ?Sized>(&self, _output: &mut O) {}
 }
 
@@ -182,12 +171,10 @@ where
     Head: scale::Encode,
     Rest: scale::Encode,
 {
-    #[inline]
     fn size_hint(&self) -> usize {
         scale::Encode::size_hint(&self.head) + scale::Encode::size_hint(&self.rest)
     }
 
-    #[inline]
     fn encode_to<O: scale::Output + ?Sized>(&self, output: &mut O) {
         // We reverse the order of encoding because we build up the list of
         // arguments in reverse order, too. This way we encode the arguments
@@ -202,12 +189,10 @@ impl<Args> scale::Encode for ExecutionInput<Args>
 where
     Args: scale::Encode,
 {
-    #[inline]
     fn size_hint(&self) -> usize {
         scale::Encode::size_hint(&self.selector) + scale::Encode::size_hint(&self.args)
     }
 
-    #[inline]
     fn encode_to<O: scale::Output + ?Sized>(&self, output: &mut O) {
         scale::Encode::encode_to(&self.selector, output);
         scale::Encode::encode_to(&self.args, output);
diff --git a/crates/env/src/chain_extension.rs b/crates/env/src/chain_extension.rs
index 968418da1da..f85935d9a13 100644
--- a/crates/env/src/chain_extension.rs
+++ b/crates/env/src/chain_extension.rs
@@ -82,7 +82,6 @@ pub struct ChainExtensionMethod<I, O, ErrorCode, const IS_RESULT: bool> {
 
 impl ChainExtensionMethod<(), (), (), false> {
     /// Creates a new chain extension method instance.
-    #[inline]
     pub fn build(func_id: u32) -> Self {
         Self {
             func_id,
@@ -101,7 +100,6 @@ impl<O, ErrorCode, const IS_RESULT: bool>
     /// `I` represents the input type of the chain extension method.
     /// All tuple types that may act as input parameters for the chain extension method are valid.
     /// Examples include `()`, `i32`, `(u8, [u8; 5], i32)`, etc.
-    #[inline]
     pub fn input<I>(self) -> ChainExtensionMethod<I, O, ErrorCode, IS_RESULT>
     where
         I: scale::Encode,
@@ -123,7 +121,6 @@ impl<I, ErrorCode> ChainExtensionMethod<I, (), ErrorCode, false> {
     ///
     /// If `O` is incorrectly indicated as `Return<T, E>`,
     /// the type will not satisfy trait bounds later in method builder pipeline.
-    #[inline]
     pub fn output<O, const IS_RESULT: bool>(
         self,
     ) -> ChainExtensionMethod<I, O, ErrorCode, IS_RESULT>
@@ -147,7 +144,6 @@ impl<I, O, const IS_RESULT: bool> ChainExtensionMethod<I, O, (), IS_RESULT> {
     /// code that represents failure.
     ///
     /// The output of the chain extension method call is always decoded and returned in this case.
-    #[inline]
     pub fn ignore_error_code(
         self,
     ) -> ChainExtensionMethod<I, O, state::IgnoreErrorCode, IS_RESULT> {
@@ -163,7 +159,6 @@ impl<I, O, const IS_RESULT: bool> ChainExtensionMethod<I, O, (), IS_RESULT> {
     ///
     /// This will handle the returned status code and only loads and decodes the value
     /// returned as the output of the chain extension method call in case of success.
-    #[inline]
     pub fn handle_error_code<ErrorCode>(
         self,
     ) -> ChainExtensionMethod<I, O, state::HandleErrorCode<ErrorCode>, IS_RESULT>
@@ -243,7 +238,6 @@ where
     /// #     fn from_status_code(status_code: u32) -> Result<(), Self> { Ok(()) }
     /// # }
     /// ```
-    #[inline]
     pub fn call(
         self,
         input: &I,
@@ -309,7 +303,6 @@ where
     /// #     fn from(_error: scale::Error) -> Self { Self {} }
     /// # }
     /// ```
-    #[inline]
     pub fn call(
         self,
         input: &I,
@@ -378,7 +371,6 @@ where
     /// #     fn from_status_code(status_code: u32) -> Result<(), Self> { Ok(()) }
     /// # }
     /// ```
-    #[inline]
     pub fn call(self, input: &I) -> Result<O, ErrorCode> {
         <EnvInstance as OnInstance>::on_instance(|instance| {
             EnvBackend::call_chain_extension::<I, O, ErrorCode, ErrorCode, _, _>(
@@ -427,7 +419,6 @@ where
     ///     .ignore_error_code()
     ///     .call(&(true, 42));
     /// ```
-    #[inline]
     pub fn call(self, input: &I) -> O {
         <EnvInstance as OnInstance>::on_instance(|instance| {
             EnvBackend::call_chain_extension::<I, O, (), (), _, _>(
diff --git a/crates/env/src/engine/on_chain/buffer.rs b/crates/env/src/engine/on_chain/buffer.rs
index 1d74f904a0a..61cfec9d372 100644
--- a/crates/env/src/engine/on_chain/buffer.rs
+++ b/crates/env/src/engine/on_chain/buffer.rs
@@ -33,14 +33,12 @@ impl StaticBuffer {
 impl core::ops::Index<core::ops::RangeFull> for StaticBuffer {
     type Output = [u8];
 
-    #[inline(always)]
     fn index(&self, index: core::ops::RangeFull) -> &Self::Output {
         core::ops::Index::index(&self.buffer[..], index)
     }
 }
 
 impl core::ops::IndexMut<core::ops::RangeFull> for StaticBuffer {
-    #[inline(always)]
     fn index_mut(&mut self, index: core::ops::RangeFull) -> &mut Self::Output {
         core::ops::IndexMut::index_mut(&mut self.buffer[..], index)
     }
@@ -148,7 +146,6 @@ impl<'a> ScopedBuffer<'a> {
 
     /// Encode the given value into the scoped buffer and return the sub slice
     /// containing all the encoded bytes.
-    #[inline(always)]
     pub fn take_encoded<T>(&mut self, value: &T) -> &'a mut [u8]
     where
         T: scale::Encode,
@@ -164,7 +161,6 @@ impl<'a> ScopedBuffer<'a> {
 
     /// Encode the given storable value into the scoped buffer and return the sub slice
     /// containing all the encoded bytes.
-    #[inline(always)]
     pub fn take_storable_encoded<T>(&mut self, value: &T) -> &'a mut [u8]
     where
         T: ink_storage_traits::Storable,
@@ -183,7 +179,6 @@ impl<'a> ScopedBuffer<'a> {
     /// Does not return the buffer immediately so that other values can be appended
     /// afterwards. The [`take_appended`] method shall be used to return the buffer
     /// that includes all appended encodings as a single buffer.
-    #[inline(always)]
     pub fn append_encoded<T>(&mut self, value: &T)
     where
         T: scale::Encode,
diff --git a/crates/env/src/engine/on_chain/ext.rs b/crates/env/src/engine/on_chain/ext.rs
index 7af0d5d4b67..43268642036 100644
--- a/crates/env/src/engine/on_chain/ext.rs
+++ b/crates/env/src/engine/on_chain/ext.rs
@@ -38,7 +38,6 @@ macro_rules! define_error_codes {
         }
 
         impl From<ReturnCode> for Result {
-            #[inline]
             fn from(return_code: ReturnCode) -> Self {
                 match return_code.0 {
                     0 => Ok(()),
@@ -419,14 +418,12 @@ mod sys {
     }
 }
 
-#[inline(always)]
 fn extract_from_slice(output: &mut &mut [u8], new_len: usize) {
     debug_assert!(new_len <= output.len());
     let tmp = core::mem::take(output);
     *output = &mut tmp[..new_len];
 }
 
-#[inline(always)]
 pub fn instantiate(
     code_hash: &[u8],
     gas_limit: u64,
@@ -460,7 +457,6 @@ pub fn instantiate(
     ret_code.into()
 }
 
-#[inline(always)]
 pub fn call(
     flags: u32,
     callee: &[u8],
@@ -488,7 +484,6 @@ pub fn call(
     ret_code.into()
 }
 
-#[inline(always)]
 pub fn delegate_call(
     flags: u32,
     code_hash: &[u8],
@@ -553,7 +548,6 @@ pub fn clear_storage(key: &[u8]) -> Option<u32> {
     ret_code.into()
 }
 
-#[inline(always)]
 pub fn get_storage(key: &[u8], output: &mut &mut [u8]) -> Result {
     let mut output_len = output.len() as u32;
     let ret_code = {
@@ -570,7 +564,6 @@ pub fn get_storage(key: &[u8], output: &mut &mut [u8]) -> Result {
     ret_code.into()
 }
 
-#[inline(always)]
 pub fn take_storage(key: &[u8], output: &mut &mut [u8]) -> Result {
     let mut output_len = output.len() as u32;
     let ret_code = {
@@ -597,7 +590,6 @@ pub fn terminate(beneficiary: &[u8]) -> ! {
     unsafe { sys::terminate(Ptr32::from_slice(beneficiary)) }
 }
 
-#[inline(always)]
 pub fn call_chain_extension(func_id: u32, input: &[u8], output: &mut &mut [u8]) -> u32 {
     let mut output_len = output.len() as u32;
     let ret_code = {
@@ -615,7 +607,6 @@ pub fn call_chain_extension(func_id: u32, input: &[u8], output: &mut &mut [u8])
     ret_code.into_u32()
 }
 
-#[inline(always)]
 pub fn input(output: &mut &mut [u8]) {
     let mut output_len = output.len() as u32;
     {
@@ -642,7 +633,6 @@ pub fn return_value(flags: ReturnFlags, return_value: &[u8]) -> ! {
 macro_rules! impl_wrapper_for {
     ( $( $name:ident, )* ) => {
         $(
-            #[inline(always)]
             pub fn $name(output: &mut &mut [u8]) {
                 let mut output_len = output.len() as u32;
                 {
@@ -668,7 +658,6 @@ impl_wrapper_for! {
     minimum_balance,
 }
 
-#[inline(always)]
 pub fn weight_to_fee(gas: u64, output: &mut &mut [u8]) {
     let mut output_len = output.len() as u32;
     {
diff --git a/crates/env/src/engine/on_chain/impls.rs b/crates/env/src/engine/on_chain/impls.rs
index ae9fa3fdb1b..d140ca1dfa7 100644
--- a/crates/env/src/engine/on_chain/impls.rs
+++ b/crates/env/src/engine/on_chain/impls.rs
@@ -176,7 +176,6 @@ where
 }
 
 impl EnvInstance {
-    #[inline(always)]
     /// Returns a new scoped buffer for the entire scope of the static 16 kB buffer.
     fn scoped_buffer(&mut self) -> ScopedBuffer {
         ScopedBuffer::from(&mut self.buffer[..])
@@ -187,7 +186,6 @@ impl EnvInstance {
     /// # Note
     ///
     /// This skips the potentially costly decoding step that is often equivalent to a `memcpy`.
-    #[inline(always)]
     fn get_property_little_endian<T>(&mut self, ext_fn: fn(output: &mut &mut [u8])) -> T
     where
         T: FromLittleEndian,
@@ -198,7 +196,6 @@ impl EnvInstance {
     }
 
     /// Returns the contract property value.
-    #[inline(always)]
     fn get_property<T>(&mut self, ext_fn: fn(output: &mut &mut [u8])) -> Result<T>
     where
         T: scale::Decode,
diff --git a/crates/env/src/topics.rs b/crates/env/src/topics.rs
index 16a862b6c9a..04d3d9cda8d 100644
--- a/crates/env/src/topics.rs
+++ b/crates/env/src/topics.rs
@@ -223,12 +223,10 @@ impl<X> scale::Encode for PrefixedValue<'_, '_, X>
 where
     X: scale::Encode,
 {
-    #[inline]
     fn size_hint(&self) -> usize {
         self.prefix.size_hint() + self.value.size_hint()
     }
 
-    #[inline]
     fn encode_to<T: scale::Output + ?Sized>(&self, dest: &mut T) {
         self.prefix.encode_to(dest);
         self.value.encode_to(dest);
diff --git a/crates/env/src/types.rs b/crates/env/src/types.rs
index 9f5fa220753..85b71fc01c4 100644
--- a/crates/env/src/types.rs
+++ b/crates/env/src/types.rs
@@ -52,7 +52,6 @@ pub trait FromLittleEndian {
 impl FromLittleEndian for u8 {
     type Bytes = [u8; 1];
 
-    #[inline]
     fn from_le_bytes(bytes: Self::Bytes) -> Self {
         u8::from_le_bytes(bytes)
     }
@@ -61,7 +60,6 @@ impl FromLittleEndian for u8 {
 impl FromLittleEndian for u16 {
     type Bytes = [u8; 2];
 
-    #[inline]
     fn from_le_bytes(bytes: Self::Bytes) -> Self {
         u16::from_le_bytes(bytes)
     }
@@ -70,7 +68,6 @@ impl FromLittleEndian for u16 {
 impl FromLittleEndian for u32 {
     type Bytes = [u8; 4];
 
-    #[inline]
     fn from_le_bytes(bytes: Self::Bytes) -> Self {
         u32::from_le_bytes(bytes)
     }
@@ -79,7 +76,6 @@ impl FromLittleEndian for u32 {
 impl FromLittleEndian for u64 {
     type Bytes = [u8; 8];
 
-    #[inline]
     fn from_le_bytes(bytes: Self::Bytes) -> Self {
         u64::from_le_bytes(bytes)
     }
@@ -88,7 +84,6 @@ impl FromLittleEndian for u64 {
 impl FromLittleEndian for u128 {
     type Bytes = [u8; 16];
 
-    #[inline]
     fn from_le_bytes(bytes: Self::Bytes) -> Self {
         u128::from_le_bytes(bytes)
     }
diff --git a/crates/ink/codegen/src/generator/as_dependency/call_builder.rs b/crates/ink/codegen/src/generator/as_dependency/call_builder.rs
index fe5f09feafe..a20635e46ab 100644
--- a/crates/ink/codegen/src/generator/as_dependency/call_builder.rs
+++ b/crates/ink/codegen/src/generator/as_dependency/call_builder.rs
@@ -120,14 +120,12 @@ impl CallBuilder<'_> {
         let cb_ident = Self::call_builder_ident();
         quote_spanned!(span=>
             impl ::ink::env::call::FromAccountId<Environment> for #cb_ident {
-                #[inline]
                 fn from_account_id(account_id: AccountId) -> Self {
                     Self { account_id }
                 }
             }
 
             impl ::ink::ToAccountId<Environment> for #cb_ident {
-                #[inline]
                 fn to_account_id(&self) -> AccountId {
                     <AccountId as ::core::clone::Clone>::clone(&self.account_id)
                 }
@@ -186,7 +184,6 @@ impl CallBuilder<'_> {
             impl ::ink::codegen::TraitCallForwarderFor<{#trait_info_id}> for #cb_ident {
                 type Forwarder = <<Self as #trait_path>::__ink_TraitInfo as ::ink::codegen::TraitCallForwarder>::Forwarder;
 
-                #[inline]
                 fn forward(&self) -> &Self::Forwarder {
                     // SAFETY:
                     //
@@ -199,7 +196,6 @@ impl CallBuilder<'_> {
                     }
                 }
 
-                #[inline]
                 fn forward_mut(&mut self) -> &mut Self::Forwarder {
                     // SAFETY:
                     //
@@ -212,14 +208,12 @@ impl CallBuilder<'_> {
                     }
                 }
 
-                #[inline]
                 fn build(&self) -> &<Self::Forwarder as ::ink::codegen::TraitCallBuilder>::Builder {
                     <_ as ::ink::codegen::TraitCallBuilder>::call(
                         <Self as ::ink::codegen::TraitCallForwarderFor<{#trait_info_id}>>::forward(self)
                     )
                 }
 
-                #[inline]
                 fn build_mut(&mut self)
                     -> &mut <Self::Forwarder as ::ink::codegen::TraitCallBuilder>::Builder
                 {
@@ -289,7 +283,6 @@ impl CallBuilder<'_> {
                 as ::ink::codegen::TraitCallBuilder>::Builder
                 as #trait_path>::#output_ident;
 
-            #[inline]
             #( #attrs )*
             fn #message_ident(
                 & #mut_token self
@@ -385,7 +378,6 @@ impl CallBuilder<'_> {
         quote_spanned!(span=>
             #( #attrs )*
             #[allow(clippy::type_complexity)]
-            #[inline]
             pub fn #message_ident(
                 & #mut_tok self
                 #( , #input_bindings : #input_types )*
diff --git a/crates/ink/codegen/src/generator/as_dependency/contract_ref.rs b/crates/ink/codegen/src/generator/as_dependency/contract_ref.rs
index 26ee2f58e57..4b08b6bc78f 100644
--- a/crates/ink/codegen/src/generator/as_dependency/contract_ref.rs
+++ b/crates/ink/codegen/src/generator/as_dependency/contract_ref.rs
@@ -154,7 +154,6 @@ impl ContractRef<'_> {
         let ref_ident = self.generate_contract_ref_ident();
         quote_spanned!(span=>
             impl ::ink::env::call::FromAccountId<Environment> for #ref_ident {
-                #[inline]
                 fn from_account_id(account_id: AccountId) -> Self {
                     Self { inner: <<#storage_ident
                         as ::ink::codegen::ContractCallBuilder>::Type
@@ -164,7 +163,6 @@ impl ContractRef<'_> {
             }
 
             impl ::ink::ToAccountId<Environment> for #ref_ident {
-                #[inline]
                 fn to_account_id(&self) -> AccountId {
                     <<#storage_ident as ::ink::codegen::ContractCallBuilder>::Type
                         as ::ink::ToAccountId<Environment>>::to_account_id(&self.inner)
@@ -186,12 +184,10 @@ impl ContractRef<'_> {
                 impl ::ink::codegen::TraitCallBuilder for #ref_ident {
                     type Builder = <#storage_ident as ::ink::codegen::ContractCallBuilder>::Type;
 
-                    #[inline]
                     fn call(&self) -> &Self::Builder {
                         &self.inner
                     }
 
-                    #[inline]
                     fn call_mut(&mut self) -> &mut Self::Builder {
                         &mut self.inner
                     }
@@ -285,7 +281,6 @@ impl ContractRef<'_> {
             type #output_ident =
                 <<Self::__ink_TraitInfo as ::ink::codegen::TraitCallForwarder>::Forwarder as #trait_path>::#output_ident;
 
-            #[inline]
             fn #message_ident(
                 & #mut_token self
                 #( , #input_bindings : #input_types )*
@@ -376,7 +371,6 @@ impl ContractRef<'_> {
         let wrapped_output_type = message.wrapped_output();
         quote_spanned!(span=>
             #( #attrs )*
-            #[inline]
             pub fn #message_ident(
                 & #mut_token self
                 #( , #input_bindings : #input_types )*
@@ -391,7 +385,6 @@ impl ContractRef<'_> {
             }
 
             #( #attrs )*
-            #[inline]
             pub fn #try_message_ident(
                 & #mut_token self
                 #( , #input_bindings : #input_types )*
@@ -437,7 +430,6 @@ impl ContractRef<'_> {
             .unwrap_or_else(|| quote::quote! { Self });
         quote_spanned!(span =>
             #( #attrs )*
-            #[inline]
             #[allow(clippy::type_complexity)]
             pub fn #constructor_ident(
                 #( #input_bindings : #input_types ),*
diff --git a/crates/ink/codegen/src/generator/chain_extension.rs b/crates/ink/codegen/src/generator/chain_extension.rs
index 8f36e838eec..e174137165c 100644
--- a/crates/ink/codegen/src/generator/chain_extension.rs
+++ b/crates/ink/codegen/src/generator/chain_extension.rs
@@ -105,7 +105,6 @@ impl ChainExtension<'_> {
 
         quote_spanned!(span=>
                 #( #attrs )*
-                #[inline]
                 pub fn #ident(self, #inputs) -> #return_type
                 where
                     #where_output_impls_from_error_code
diff --git a/crates/ink/codegen/src/generator/trait_def/call_builder.rs b/crates/ink/codegen/src/generator/trait_def/call_builder.rs
index 69db77bb431..70d0a969fe2 100644
--- a/crates/ink/codegen/src/generator/trait_def/call_builder.rs
+++ b/crates/ink/codegen/src/generator/trait_def/call_builder.rs
@@ -175,7 +175,6 @@ impl CallBuilder<'_> {
                 E: ::ink::env::Environment,
                 <E as ::ink::env::Environment>::AccountId: ::core::clone::Clone,
             {
-                #[inline]
                 fn clone(&self) -> Self {
                     Self {
                         account_id: ::core::clone::Clone::clone(&self.account_id),
@@ -213,7 +212,6 @@ impl CallBuilder<'_> {
             where
                 E: ::ink::env::Environment,
             {
-                #[inline]
                 fn from_account_id(account_id: <E as ::ink::env::Environment>::AccountId) -> Self {
                     Self { account_id }
                 }
@@ -223,7 +221,6 @@ impl CallBuilder<'_> {
             where
                 E: ::ink::env::Environment,
             {
-                #[inline]
                 fn to_account_id(&self) -> <E as ::ink::env::Environment>::AccountId {
                     <<E as ::ink::env::Environment>::AccountId as ::core::clone::Clone>::clone(&self.account_id)
                 }
@@ -313,7 +310,6 @@ impl CallBuilder<'_> {
             >;
 
             #( #attrs )*
-            #[inline]
             fn #message_ident(
                 & #mut_tok self
                 #( , #input_bindings : #input_types )*
diff --git a/crates/ink/codegen/src/generator/trait_def/call_forwarder.rs b/crates/ink/codegen/src/generator/trait_def/call_forwarder.rs
index 662963e4e9c..c244e2fce84 100644
--- a/crates/ink/codegen/src/generator/trait_def/call_forwarder.rs
+++ b/crates/ink/codegen/src/generator/trait_def/call_forwarder.rs
@@ -168,7 +168,6 @@ impl CallForwarder<'_> {
                 E: ::ink::env::Environment,
                 <E as ::ink::env::Environment>::AccountId: ::core::clone::Clone,
             {
-                #[inline]
                 fn clone(&self) -> Self {
                     Self {
                         builder: <<Self as ::ink::codegen::TraitCallBuilder>::Builder
@@ -206,7 +205,6 @@ impl CallForwarder<'_> {
             where
                 E: ::ink::env::Environment,
             {
-                #[inline]
                 fn from_account_id(account_id: <E as ::ink::env::Environment>::AccountId) -> Self {
                     Self { builder: <<Self as ::ink::codegen::TraitCallBuilder>::Builder
                         as ::ink::env::call::FromAccountId<E>>::from_account_id(account_id) }
@@ -217,7 +215,6 @@ impl CallForwarder<'_> {
             where
                 E: ::ink::env::Environment,
             {
-                #[inline]
                 fn to_account_id(&self) -> <E as ::ink::env::Environment>::AccountId {
                     <<Self as ::ink::codegen::TraitCallBuilder>::Builder
                         as ::ink::ToAccountId<E>>::to_account_id(&self.builder)
@@ -248,12 +245,10 @@ impl CallForwarder<'_> {
             {
                 type Builder = #call_builder_ident<E>;
 
-                #[inline]
                 fn call(&self) -> &<Self as ::ink::codegen::TraitCallBuilder>::Builder {
                     &self.builder
                 }
 
-                #[inline]
                 fn call_mut(&mut self) -> &mut <Self as ::ink::codegen::TraitCallBuilder>::Builder {
                     &mut self.builder
                 }
@@ -343,7 +338,6 @@ impl CallForwarder<'_> {
             type #output_ident = #output_type;
 
             #( #attrs )*
-            #[inline]
             fn #message_ident(
                 & #mut_tok self
                 #( , #input_bindings : #input_types )*
diff --git a/crates/ink/ir/src/ir/attrs.rs b/crates/ink/ir/src/ir/attrs.rs
index db75a68e9db..11a0971c34d 100644
--- a/crates/ink/ir/src/ir/attrs.rs
+++ b/crates/ink/ir/src/ir/attrs.rs
@@ -1031,12 +1031,10 @@ mod tests {
         assert!(contains_ink_attributes(&[syn::parse_quote! { #[ink] }]));
         assert!(contains_ink_attributes(&[syn::parse_quote! { #[ink(..)] }]));
         assert!(contains_ink_attributes(&[
-            syn::parse_quote! { #[inline] },
             syn::parse_quote! { #[likely] },
             syn::parse_quote! { #[ink(storage)] },
         ]));
         assert!(!contains_ink_attributes(&[
-            syn::parse_quote! { #[inline] },
             syn::parse_quote! { #[likely] },
         ]));
     }
diff --git a/crates/ink/macro/src/storage/storable.rs b/crates/ink/macro/src/storage/storable.rs
index 4b273cb9e44..8dc8505b92e 100644
--- a/crates/ink/macro/src/storage/storable.rs
+++ b/crates/ink/macro/src/storage/storable.rs
@@ -39,13 +39,11 @@ fn storable_struct_derive(s: &synstructure::Structure) -> TokenStream2 {
 
     s.gen_impl(quote! {
          gen impl ::ink::storage::traits::Storable for @Self {
-            #[inline(always)]
             #[allow(non_camel_case_types)]
             fn decode<__ink_I: ::scale::Input>(__input: &mut __ink_I) -> ::core::result::Result<Self, ::scale::Error> {
                 ::core::result::Result::Ok(#decode_body)
             }
 
-            #[inline(always)]
             #[allow(non_camel_case_types)]
             fn encode<__ink_O: ::scale::Output + ?::core::marker::Sized>(&self, __dest: &mut __ink_O) {
                 match self { #encode_body }
@@ -110,7 +108,6 @@ fn storable_enum_derive(s: &synstructure::Structure) -> TokenStream2 {
     });
     s.gen_impl(quote! {
          gen impl ::ink::storage::traits::Storable for @Self {
-            #[inline(always)]
             #[allow(non_camel_case_types)]
             fn decode<__ink_I: ::scale::Input>(__input: &mut __ink_I) -> ::core::result::Result<Self, ::scale::Error> {
                 ::core::result::Result::Ok(
@@ -121,7 +118,6 @@ fn storable_enum_derive(s: &synstructure::Structure) -> TokenStream2 {
                 )
             }
 
-            #[inline(always)]
             #[allow(non_camel_case_types)]
             fn encode<__ink_O: ::scale::Output + ?::core::marker::Sized>(&self, __dest: &mut __ink_O) {
                 match self {
diff --git a/crates/ink/macro/src/storage/tests/storable.rs b/crates/ink/macro/src/storage/tests/storable.rs
index 46f17a914e3..4420fcf1866 100644
--- a/crates/ink/macro/src/storage/tests/storable.rs
+++ b/crates/ink/macro/src/storage/tests/storable.rs
@@ -31,13 +31,11 @@ fn unit_struct_works() {
         expands to {
             const _: () = {
                 impl ::ink::storage::traits::Storable for UnitStruct {
-                    #[inline(always)]
                     #[allow(non_camel_case_types)]
                     fn decode<__ink_I: ::scale::Input>(__input: &mut __ink_I) -> ::core::result::Result<Self, ::scale::Error> {
                         ::core::result::Result::Ok(UnitStruct)
                     }
 
-                    #[inline(always)]
                     #[allow(non_camel_case_types)]
                     fn encode<__ink_O: ::scale::Output + ?::core::marker::Sized>(&self, __dest: &mut __ink_O) {
                         match self {
@@ -63,7 +61,6 @@ fn struct_works() {
         expands to {
             const _: () = {
                 impl ::ink::storage::traits::Storable for NamedFields {
-                    #[inline(always)]
                     #[allow(non_camel_case_types)]
                     fn decode<__ink_I: ::scale::Input>(__input: &mut __ink_I) -> ::core::result::Result<Self, ::scale::Error> {
                         ::core::result::Result::Ok(
@@ -75,7 +72,6 @@ fn struct_works() {
                         )
                     }
 
-                    #[inline(always)]
                     #[allow(non_camel_case_types)]
                     fn encode<__ink_O: ::scale::Output + ?::core::marker::Sized>(&self, __dest: &mut __ink_O) {
                         match self {
@@ -123,7 +119,6 @@ fn one_variant_enum_works() {
         expands to {
             const _: () = {
                 impl ::ink::storage::traits::Storable for OneVariantEnum {
-                    #[inline(always)]
                     #[allow(non_camel_case_types)]
                     fn decode<__ink_I: ::scale::Input>(__input: &mut __ink_I) -> ::core::result::Result<Self, ::scale::Error> {
                         ::core::result::Result::Ok(
@@ -135,7 +130,6 @@ fn one_variant_enum_works() {
                         )
                     }
 
-                    #[inline(always)]
                     #[allow(non_camel_case_types)]
                     fn encode<__ink_O: ::scale::Output + ?::core::marker::Sized>(&self, __dest: &mut __ink_O) {
                         match self {
@@ -168,7 +162,6 @@ fn enum_works() {
         expands to {
             const _: () = {
                 impl ::ink::storage::traits::Storable for MixedEnum {
-                    #[inline(always)]
                     #[allow(non_camel_case_types)]
                     fn decode<__ink_I: ::scale::Input>(__input: &mut __ink_I) -> ::core::result::Result<Self, ::scale::Error> {
                         ::core::result::Result::Ok(
@@ -188,7 +181,6 @@ fn enum_works() {
                         )
                     }
 
-                    #[inline(always)]
                     #[allow(non_camel_case_types)]
                     fn encode<__ink_O: ::scale::Output + ?::core::marker::Sized>(&self, __dest: &mut __ink_O) {
                         match self {
@@ -272,7 +264,6 @@ fn generic_struct_works() {
                     T1: ::ink::storage::traits::Storable,
                     (T1 , T2): ::ink::storage::traits::Storable
                 {
-                    #[inline(always)]
                     #[allow(non_camel_case_types)]
                     fn decode<__ink_I: ::scale::Input>(__input: &mut __ink_I) -> ::core::result::Result<Self, ::scale::Error> {
                         ::core::result::Result::Ok(
@@ -287,7 +278,6 @@ fn generic_struct_works() {
                         )
                     }
 
-                    #[inline(always)]
                     #[allow(non_camel_case_types)]
                     fn encode<__ink_O: ::scale::Output + ?::core::marker::Sized>(&self, __dest: &mut __ink_O) {
                         match self {
@@ -332,7 +322,6 @@ fn generic_enum_works() {
                     T1: ::ink::storage::traits::Storable,
                     T2: ::ink::storage::traits::Storable
                 {
-                    #[inline(always)]
                     #[allow(non_camel_case_types)]
                     fn decode<__ink_I: ::scale::Input>(__input: &mut __ink_I) -> ::core::result::Result<Self, ::scale::Error> {
                         ::core::result::Result::Ok(
@@ -351,7 +340,6 @@ fn generic_enum_works() {
                         )
                     }
 
-                    #[inline(always)]
                     #[allow(non_camel_case_types)]
                     fn encode<__ink_O: ::scale::Output + ?::core::marker::Sized>(&self, __dest: &mut __ink_O) {
                         match self {
diff --git a/crates/ink/src/codegen/dispatch/execution.rs b/crates/ink/src/codegen/dispatch/execution.rs
index 2036999b147..7deec484e10 100644
--- a/crates/ink/src/codegen/dispatch/execution.rs
+++ b/crates/ink/src/codegen/dispatch/execution.rs
@@ -20,7 +20,6 @@ use ink_env::Environment;
 /// # Errors
 ///
 /// If the caller did send some amount of transferred value to the callee.
-#[inline]
 pub fn deny_payment<E>() -> Result<(), DispatchError>
 where
     E: Environment,
diff --git a/crates/ink/src/env_access.rs b/crates/ink/src/env_access.rs
index 04c33f4c92c..6542247275e 100644
--- a/crates/ink/src/env_access.rs
+++ b/crates/ink/src/env_access.rs
@@ -43,7 +43,6 @@ pub struct EnvAccess<'a, E> {
 }
 
 impl<'a, E> Default for EnvAccess<'a, E> {
-    #[inline]
     fn default() -> Self {
         Self {
             marker: Default::default(),
diff --git a/crates/ink/src/reflect/dispatch.rs b/crates/ink/src/reflect/dispatch.rs
index 111deeb261e..e33140e1418 100644
--- a/crates/ink/src/reflect/dispatch.rs
+++ b/crates/ink/src/reflect/dispatch.rs
@@ -410,7 +410,6 @@ impl<T> private::Sealed for ConstructorOutputValue<T> {}
 impl<C> ConstructorOutput<C> for ConstructorOutputValue<C> {
     type Error = &'static ();
 
-    #[inline(always)]
     fn as_result(&self) -> Result<&C, &Self::Error> {
         Ok(&self.0)
     }
@@ -420,7 +419,6 @@ impl<C, E> ConstructorOutput<C> for ConstructorOutputValue<Result<C, E>> {
     const IS_RESULT: bool = true;
     type Error = E;
 
-    #[inline(always)]
     fn as_result(&self) -> Result<&C, &Self::Error> {
         self.0.as_ref()
     }
@@ -617,7 +615,6 @@ impl Display for DispatchError {
 
 impl DispatchError {
     /// Returns a string representation of the error.
-    #[inline]
     fn as_str(&self) -> &'static str {
         match self {
             Self::InvalidSelector => "unable to decode selector",
@@ -630,7 +627,6 @@ impl DispatchError {
 }
 
 impl From<DispatchError> for scale::Error {
-    #[inline]
     fn from(error: DispatchError) -> Self {
         Self::from(error.as_str())
     }
diff --git a/crates/ink/src/result_info.rs b/crates/ink/src/result_info.rs
index 138405498ce..ffcb530a339 100644
--- a/crates/ink/src/result_info.rs
+++ b/crates/ink/src/result_info.rs
@@ -44,7 +44,6 @@ macro_rules! is_result_type {
 pub struct IsResultErr<'lt, T>(pub &'lt T);
 
 impl<T, E> IsResultErr<'_, ::core::result::Result<T, E>> {
-    #[inline]
     // We need to allow for dead code at this point because
     // the Rust compiler thinks this function is unused even
     // though it acts as the specialized case for detection.
@@ -55,7 +54,6 @@ impl<T, E> IsResultErr<'_, ::core::result::Result<T, E>> {
 }
 
 pub trait IsResultErrFallback {
-    #[inline]
     fn value(&self) -> bool {
         false
     }
diff --git a/crates/ink/tests/ui/contract/pass/example-erc20-works.rs b/crates/ink/tests/ui/contract/pass/example-erc20-works.rs
index 6ef1b98e10f..0e376132e5b 100644
--- a/crates/ink/tests/ui/contract/pass/example-erc20-works.rs
+++ b/crates/ink/tests/ui/contract/pass/example-erc20-works.rs
@@ -90,7 +90,6 @@ mod erc20 {
         ///
         /// Prefer to call this method over `balance_of` since this
         /// works using references which are more efficient in Wasm.
-        #[inline]
         fn balance_of_impl(&self, owner: &AccountId) -> Balance {
             self.balances.get(owner).unwrap_or_default()
         }
@@ -111,7 +110,6 @@ mod erc20 {
         ///
         /// Prefer to call this method over `allowance` since this
         /// works using references which are more efficient in Wasm.
-        #[inline]
         fn allowance_impl(&self, owner: &AccountId, spender: &AccountId) -> Balance {
             self.allowances.get((owner, spender)).unwrap_or_default()
         }
diff --git a/crates/primitives/src/types.rs b/crates/primitives/src/types.rs
index bd369290a80..852a09d25ea 100644
--- a/crates/primitives/src/types.rs
+++ b/crates/primitives/src/types.rs
@@ -34,28 +34,24 @@ use scale_info::TypeInfo;
 pub struct AccountId([u8; 32]);
 
 impl AsRef<[u8; 32]> for AccountId {
-    #[inline]
     fn as_ref(&self) -> &[u8; 32] {
         &self.0
     }
 }
 
 impl AsMut<[u8; 32]> for AccountId {
-    #[inline]
     fn as_mut(&mut self) -> &mut [u8; 32] {
         &mut self.0
     }
 }
 
 impl AsRef<[u8]> for AccountId {
-    #[inline]
     fn as_ref(&self) -> &[u8] {
         &self.0[..]
     }
 }
 
 impl AsMut<[u8]> for AccountId {
-    #[inline]
     fn as_mut(&mut self) -> &mut [u8] {
         &mut self.0[..]
     }
diff --git a/crates/storage/src/lazy/mapping.rs b/crates/storage/src/lazy/mapping.rs
index a74d4e392c2..edb9a074ec4 100644
--- a/crates/storage/src/lazy/mapping.rs
+++ b/crates/storage/src/lazy/mapping.rs
@@ -131,7 +131,6 @@ where
     /// Insert the given `value` to the contract storage.
     ///
     /// Returns the size in bytes of the pre-existing value at the specified key if any.
-    #[inline]
     pub fn insert<Q, R>(&mut self, key: Q, value: &R) -> Option<u32>
     where
         Q: scale::EncodeLike<K>,
@@ -143,7 +142,6 @@ where
     /// Get the `value` at `key` from the contract storage.
     ///
     /// Returns `None` if no `value` exists at the given `key`.
-    #[inline]
     pub fn get<Q>(&self, key: Q) -> Option<V>
     where
         Q: scale::EncodeLike<K>,
@@ -157,7 +155,6 @@ where
     /// Returns `None` if no `value` exists at the given `key`.
     /// **WARNING**: this method uses the [unstable interface](https://github.com/paritytech/substrate/tree/master/frame/contracts#unstable-interfaces),
     /// which is unsafe and normally is not available on production chains.
-    #[inline]
     pub fn take<Q>(&self, key: Q) -> Option<V>
     where
         Q: scale::EncodeLike<K>,
@@ -169,7 +166,6 @@ where
     /// Get the size of a value stored at `key` in the contract storage.
     ///
     /// Returns `None` if no `value` exists at the given `key`.
-    #[inline]
     pub fn size<Q>(&self, key: Q) -> Option<u32>
     where
         Q: scale::EncodeLike<K>,
@@ -180,7 +176,6 @@ where
     /// Checks if a value is stored at the given `key` in the contract storage.
     ///
     /// Returns `None` if no `value` exists at the given `key`.
-    #[inline]
     pub fn contains<Q>(&self, key: Q) -> bool
     where
         Q: scale::EncodeLike<K>,
@@ -189,7 +184,6 @@ where
     }
 
     /// Clears the value at `key` from storage.
-    #[inline]
     pub fn remove<Q>(&self, key: Q)
     where
         Q: scale::EncodeLike<K>,
@@ -203,10 +197,8 @@ where
     V: Packed,
     KeyType: StorageKey,
 {
-    #[inline]
     fn encode<T: Output + ?Sized>(&self, _dest: &mut T) {}
 
-    #[inline]
     fn decode<I: Input>(_input: &mut I) -> Result<Self, Error> {
         Ok(Default::default())
     }
diff --git a/crates/storage/src/lazy/mod.rs b/crates/storage/src/lazy/mod.rs
index a9418eceba8..448e9650b33 100644
--- a/crates/storage/src/lazy/mod.rs
+++ b/crates/storage/src/lazy/mod.rs
@@ -164,10 +164,8 @@ impl<V, KeyType> Storable for Lazy<V, KeyType>
 where
     KeyType: StorageKey,
 {
-    #[inline(always)]
     fn encode<T: Output + ?Sized>(&self, _dest: &mut T) {}
 
-    #[inline(always)]
     fn decode<I: Input>(_input: &mut I) -> Result<Self, Error> {
         Ok(Default::default())
     }
diff --git a/crates/storage/traits/src/storage.rs b/crates/storage/traits/src/storage.rs
index 326adae7729..04c629a479a 100644
--- a/crates/storage/traits/src/storage.rs
+++ b/crates/storage/traits/src/storage.rs
@@ -33,12 +33,10 @@ impl<P> Storable for P
 where
     P: scale::Codec,
 {
-    #[inline]
     fn encode<T: scale::Output + ?Sized>(&self, dest: &mut T) {
         scale::Encode::encode_to(self, dest)
     }
 
-    #[inline]
     fn decode<I: scale::Input>(input: &mut I) -> Result<Self, scale::Error> {
         scale::Decode::decode(input)
     }
diff --git a/integration-tests/erc20/lib.rs b/integration-tests/erc20/lib.rs
index 1e34d09d286..02ad016a0e5 100644
--- a/integration-tests/erc20/lib.rs
+++ b/integration-tests/erc20/lib.rs
@@ -92,7 +92,6 @@ mod erc20 {
         ///
         /// Prefer to call this method over `balance_of` since this
         /// works using references which are more efficient in Wasm.
-        #[inline]
         fn balance_of_impl(&self, owner: &AccountId) -> Balance {
             self.balances.get(owner).unwrap_or_default()
         }
@@ -113,7 +112,6 @@ mod erc20 {
         ///
         /// Prefer to call this method over `allowance` since this
         /// works using references which are more efficient in Wasm.
-        #[inline]
         fn allowance_impl(&self, owner: &AccountId, spender: &AccountId) -> Balance {
             self.allowances.get((owner, spender)).unwrap_or_default()
         }
@@ -490,12 +488,10 @@ mod erc20 {
         where
             X: scale::Encode,
         {
-            #[inline]
             fn size_hint(&self) -> usize {
                 self.prefix.size_hint() + self.value.size_hint()
             }
 
-            #[inline]
             fn encode_to<T: scale::Output + ?Sized>(&self, dest: &mut T) {
                 self.prefix.encode_to(dest);
                 self.value.encode_to(dest);
diff --git a/integration-tests/trait-erc20/lib.rs b/integration-tests/trait-erc20/lib.rs
index ab1bffa4b5d..c586d9af2ed 100644
--- a/integration-tests/trait-erc20/lib.rs
+++ b/integration-tests/trait-erc20/lib.rs
@@ -205,7 +205,6 @@ mod erc20 {
         ///
         /// Prefer to call this method over `balance_of` since this
         /// works using references which are more efficient in Wasm.
-        #[inline]
         fn balance_of_impl(&self, owner: &AccountId) -> Balance {
             self.balances.get(owner).unwrap_or_default()
         }
@@ -218,7 +217,6 @@ mod erc20 {
         ///
         /// Prefer to call this method over `allowance` since this
         /// works using references which are more efficient in Wasm.
-        #[inline]
         fn allowance_impl(&self, owner: &AccountId, spender: &AccountId) -> Balance {
             self.allowances.get((owner, spender)).unwrap_or_default()
         }
@@ -555,12 +553,10 @@ mod erc20 {
         where
             X: scale::Encode,
         {
-            #[inline]
             fn size_hint(&self) -> usize {
                 self.prefix.size_hint() + self.value.size_hint()
             }
 
-            #[inline]
             fn encode_to<T: scale::Output + ?Sized>(&self, dest: &mut T) {
                 self.prefix.encode_to(dest);
                 self.value.encode_to(dest);

From 34eafe8ead193c4ac2ac7fd6f74b1700f10b002b Mon Sep 17 00:00:00 2001
From: Alexander Gryaznov <hi@agryaznov.com>
Date: Tue, 28 Feb 2023 15:25:49 +0200
Subject: [PATCH 2/5] fmt

---
 crates/ink/ir/src/ir/attrs.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/crates/ink/ir/src/ir/attrs.rs b/crates/ink/ir/src/ir/attrs.rs
index 11a0971c34d..a21cb561fb5 100644
--- a/crates/ink/ir/src/ir/attrs.rs
+++ b/crates/ink/ir/src/ir/attrs.rs
@@ -1034,9 +1034,9 @@ mod tests {
             syn::parse_quote! { #[likely] },
             syn::parse_quote! { #[ink(storage)] },
         ]));
-        assert!(!contains_ink_attributes(&[
-            syn::parse_quote! { #[likely] },
-        ]));
+        assert!(!contains_ink_attributes(
+            &[syn::parse_quote! { #[likely] },]
+        ));
     }
 
     /// Asserts that the given input yields the expected first argument or the

From 33d0279ffef43b6b0de6e2bf371e9f465ba7f1b0 Mon Sep 17 00:00:00 2001
From: Alexander Gryaznov <hi@agryaznov.com>
Date: Wed, 1 Mar 2023 14:50:07 +0200
Subject: [PATCH 3/5] tweak optimization options in profiles

---
 integration-tests/call-runtime/Cargo.toml                     | 4 ++++
 integration-tests/contract-terminate/Cargo.toml               | 4 ++++
 integration-tests/contract-transfer/Cargo.toml                | 4 ++++
 integration-tests/custom-environment/Cargo.toml               | 4 ++++
 integration-tests/custom_allocator/Cargo.toml                 | 4 ++++
 integration-tests/delegator/Cargo.toml                        | 4 ++++
 integration-tests/delegator/accumulator/Cargo.toml            | 4 ++++
 integration-tests/delegator/adder/Cargo.toml                  | 4 ++++
 integration-tests/delegator/subber/Cargo.toml                 | 4 ++++
 integration-tests/dns/Cargo.toml                              | 4 ++++
 integration-tests/erc1155/Cargo.toml                          | 4 ++++
 integration-tests/erc20/Cargo.toml                            | 4 ++++
 integration-tests/erc721/Cargo.toml                           | 4 ++++
 integration-tests/flipper/Cargo.toml                          | 4 ++++
 integration-tests/incrementer/Cargo.toml                      | 4 ++++
 .../lang-err-integration-tests/call-builder/Cargo.toml        | 4 ++++
 .../constructors-return-value/Cargo.toml                      | 4 ++++
 .../lang-err-integration-tests/contract-ref/Cargo.toml        | 4 ++++
 .../lang-err-integration-tests/integration-flipper/Cargo.toml | 4 ++++
 integration-tests/mapping_integration_tests/Cargo.toml        | 4 ++++
 integration-tests/mother/Cargo.toml                           | 4 ++++
 integration-tests/multisig/Cargo.toml                         | 4 ++++
 integration-tests/payment-channel/Cargo.toml                  | 4 ++++
 integration-tests/psp22-extension/Cargo.toml                  | 4 ++++
 integration-tests/rand-extension/Cargo.toml                   | 4 ++++
 integration-tests/trait-erc20/Cargo.toml                      | 4 ++++
 integration-tests/trait-flipper/Cargo.toml                    | 4 ++++
 integration-tests/trait-incrementer/Cargo.toml                | 4 ++++
 integration-tests/trait-incrementer/traits/Cargo.toml         | 4 ++++
 .../upgradeable-contracts/forward-calls/Cargo.toml            | 4 ++++
 .../upgradeable-contracts/set-code-hash/Cargo.toml            | 4 ++++
 .../set-code-hash/updated-incrementer/Cargo.toml              | 4 ++++
 32 files changed, 128 insertions(+)

diff --git a/integration-tests/call-runtime/Cargo.toml b/integration-tests/call-runtime/Cargo.toml
index 72aa67835a9..a6e2ac16a3a 100644
--- a/integration-tests/call-runtime/Cargo.toml
+++ b/integration-tests/call-runtime/Cargo.toml
@@ -41,3 +41,7 @@ e2e-tests = []
 # Assumes that the node used in E2E testing allows using the `call-runtime` API, including triggering
 # `Balances::transfer` extrinsic.
 permissive-node = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/contract-terminate/Cargo.toml b/integration-tests/contract-terminate/Cargo.toml
index d2834eb3c92..41b32d1a122 100644
--- a/integration-tests/contract-terminate/Cargo.toml
+++ b/integration-tests/contract-terminate/Cargo.toml
@@ -28,3 +28,7 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/contract-transfer/Cargo.toml b/integration-tests/contract-transfer/Cargo.toml
index 1b54492d75b..0b0dd1e539d 100644
--- a/integration-tests/contract-transfer/Cargo.toml
+++ b/integration-tests/contract-transfer/Cargo.toml
@@ -28,3 +28,7 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/custom-environment/Cargo.toml b/integration-tests/custom-environment/Cargo.toml
index 514d7ada7b4..b393fc2b3a6 100644
--- a/integration-tests/custom-environment/Cargo.toml
+++ b/integration-tests/custom-environment/Cargo.toml
@@ -29,3 +29,7 @@ e2e-tests = []
 
 # Assumes that the node used in E2E testing allows for at least 6 event topics.
 permissive-node = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/custom_allocator/Cargo.toml b/integration-tests/custom_allocator/Cargo.toml
index b77054071e5..6653c6f1e97 100755
--- a/integration-tests/custom_allocator/Cargo.toml
+++ b/integration-tests/custom_allocator/Cargo.toml
@@ -31,3 +31,7 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/delegator/Cargo.toml b/integration-tests/delegator/Cargo.toml
index e1856d39a3f..409b6738812 100644
--- a/integration-tests/delegator/Cargo.toml
+++ b/integration-tests/delegator/Cargo.toml
@@ -43,3 +43,7 @@ members = [
     "adder",
     "subber",
 ]
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/delegator/accumulator/Cargo.toml b/integration-tests/delegator/accumulator/Cargo.toml
index f460417f813..b443751bd70 100644
--- a/integration-tests/delegator/accumulator/Cargo.toml
+++ b/integration-tests/delegator/accumulator/Cargo.toml
@@ -27,3 +27,7 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/delegator/adder/Cargo.toml b/integration-tests/delegator/adder/Cargo.toml
index 2512c752b20..f32aef7662f 100644
--- a/integration-tests/delegator/adder/Cargo.toml
+++ b/integration-tests/delegator/adder/Cargo.toml
@@ -32,3 +32,7 @@ std = [
     "accumulator/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/delegator/subber/Cargo.toml b/integration-tests/delegator/subber/Cargo.toml
index 475e0691122..8fb4d28d453 100644
--- a/integration-tests/delegator/subber/Cargo.toml
+++ b/integration-tests/delegator/subber/Cargo.toml
@@ -32,3 +32,7 @@ std = [
     "accumulator/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/dns/Cargo.toml b/integration-tests/dns/Cargo.toml
index 9eb3733ec81..19c7923495c 100644
--- a/integration-tests/dns/Cargo.toml
+++ b/integration-tests/dns/Cargo.toml
@@ -24,3 +24,7 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/erc1155/Cargo.toml b/integration-tests/erc1155/Cargo.toml
index 2e52ef6642c..f78900dffde 100644
--- a/integration-tests/erc1155/Cargo.toml
+++ b/integration-tests/erc1155/Cargo.toml
@@ -24,3 +24,7 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/erc20/Cargo.toml b/integration-tests/erc20/Cargo.toml
index 2389805c87b..05626a4411f 100644
--- a/integration-tests/erc20/Cargo.toml
+++ b/integration-tests/erc20/Cargo.toml
@@ -28,3 +28,7 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/erc721/Cargo.toml b/integration-tests/erc721/Cargo.toml
index f8d1cca5f3f..595ef8a3217 100644
--- a/integration-tests/erc721/Cargo.toml
+++ b/integration-tests/erc721/Cargo.toml
@@ -24,3 +24,7 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/flipper/Cargo.toml b/integration-tests/flipper/Cargo.toml
index 324f87ddaec..3f25b6b1eeb 100644
--- a/integration-tests/flipper/Cargo.toml
+++ b/integration-tests/flipper/Cargo.toml
@@ -28,3 +28,7 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/incrementer/Cargo.toml b/integration-tests/incrementer/Cargo.toml
index 173eb53c804..68d6219a711 100644
--- a/integration-tests/incrementer/Cargo.toml
+++ b/integration-tests/incrementer/Cargo.toml
@@ -24,3 +24,7 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/lang-err-integration-tests/call-builder/Cargo.toml b/integration-tests/lang-err-integration-tests/call-builder/Cargo.toml
index 008615d68df..11f5218bf80 100755
--- a/integration-tests/lang-err-integration-tests/call-builder/Cargo.toml
+++ b/integration-tests/lang-err-integration-tests/call-builder/Cargo.toml
@@ -37,3 +37,7 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/lang-err-integration-tests/constructors-return-value/Cargo.toml b/integration-tests/lang-err-integration-tests/constructors-return-value/Cargo.toml
index 6d4dfa6bce0..674984eaea0 100644
--- a/integration-tests/lang-err-integration-tests/constructors-return-value/Cargo.toml
+++ b/integration-tests/lang-err-integration-tests/constructors-return-value/Cargo.toml
@@ -33,3 +33,7 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/lang-err-integration-tests/contract-ref/Cargo.toml b/integration-tests/lang-err-integration-tests/contract-ref/Cargo.toml
index 8801797b2f2..6767acae059 100755
--- a/integration-tests/lang-err-integration-tests/contract-ref/Cargo.toml
+++ b/integration-tests/lang-err-integration-tests/contract-ref/Cargo.toml
@@ -34,3 +34,7 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/lang-err-integration-tests/integration-flipper/Cargo.toml b/integration-tests/lang-err-integration-tests/integration-flipper/Cargo.toml
index fa037e62d55..25ddc7e7245 100644
--- a/integration-tests/lang-err-integration-tests/integration-flipper/Cargo.toml
+++ b/integration-tests/lang-err-integration-tests/integration-flipper/Cargo.toml
@@ -33,3 +33,7 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/mapping_integration_tests/Cargo.toml b/integration-tests/mapping_integration_tests/Cargo.toml
index ce9d51ce890..e780ed3fca8 100755
--- a/integration-tests/mapping_integration_tests/Cargo.toml
+++ b/integration-tests/mapping_integration_tests/Cargo.toml
@@ -31,3 +31,7 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/mother/Cargo.toml b/integration-tests/mother/Cargo.toml
index 4e322fcc514..b49f17d86ff 100755
--- a/integration-tests/mother/Cargo.toml
+++ b/integration-tests/mother/Cargo.toml
@@ -31,3 +31,7 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/multisig/Cargo.toml b/integration-tests/multisig/Cargo.toml
index 76eeb76a866..44cb3393a95 100755
--- a/integration-tests/multisig/Cargo.toml
+++ b/integration-tests/multisig/Cargo.toml
@@ -24,3 +24,7 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/payment-channel/Cargo.toml b/integration-tests/payment-channel/Cargo.toml
index ccfc677d215..25ff1043fd1 100755
--- a/integration-tests/payment-channel/Cargo.toml
+++ b/integration-tests/payment-channel/Cargo.toml
@@ -29,3 +29,7 @@ std = [
 ]
 
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/psp22-extension/Cargo.toml b/integration-tests/psp22-extension/Cargo.toml
index ec09dbad0f2..4bdbdfdc307 100755
--- a/integration-tests/psp22-extension/Cargo.toml
+++ b/integration-tests/psp22-extension/Cargo.toml
@@ -24,3 +24,7 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/rand-extension/Cargo.toml b/integration-tests/rand-extension/Cargo.toml
index 1007ad2b03d..6958661188e 100755
--- a/integration-tests/rand-extension/Cargo.toml
+++ b/integration-tests/rand-extension/Cargo.toml
@@ -24,3 +24,7 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/trait-erc20/Cargo.toml b/integration-tests/trait-erc20/Cargo.toml
index b19515e7a49..00acaa0eac4 100644
--- a/integration-tests/trait-erc20/Cargo.toml
+++ b/integration-tests/trait-erc20/Cargo.toml
@@ -24,3 +24,7 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/trait-flipper/Cargo.toml b/integration-tests/trait-flipper/Cargo.toml
index 49d6a4265c0..bab23837980 100644
--- a/integration-tests/trait-flipper/Cargo.toml
+++ b/integration-tests/trait-flipper/Cargo.toml
@@ -24,3 +24,7 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/trait-incrementer/Cargo.toml b/integration-tests/trait-incrementer/Cargo.toml
index 5f308627e56..08f2942da36 100644
--- a/integration-tests/trait-incrementer/Cargo.toml
+++ b/integration-tests/trait-incrementer/Cargo.toml
@@ -26,3 +26,7 @@ std = [
     "traits/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/trait-incrementer/traits/Cargo.toml b/integration-tests/trait-incrementer/traits/Cargo.toml
index cd0f8d74311..a70c628436d 100644
--- a/integration-tests/trait-incrementer/traits/Cargo.toml
+++ b/integration-tests/trait-incrementer/traits/Cargo.toml
@@ -24,3 +24,7 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/upgradeable-contracts/forward-calls/Cargo.toml b/integration-tests/upgradeable-contracts/forward-calls/Cargo.toml
index 4173183631d..fdae3300c42 100644
--- a/integration-tests/upgradeable-contracts/forward-calls/Cargo.toml
+++ b/integration-tests/upgradeable-contracts/forward-calls/Cargo.toml
@@ -24,3 +24,7 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/upgradeable-contracts/set-code-hash/Cargo.toml b/integration-tests/upgradeable-contracts/set-code-hash/Cargo.toml
index 27b102b19b7..31b99af94d4 100644
--- a/integration-tests/upgradeable-contracts/set-code-hash/Cargo.toml
+++ b/integration-tests/upgradeable-contracts/set-code-hash/Cargo.toml
@@ -28,3 +28,7 @@ std = [
 ink-as-dependency = []
 
 
+
+[profile.release]
+opt-level = 's'
+lto = true
diff --git a/integration-tests/upgradeable-contracts/set-code-hash/updated-incrementer/Cargo.toml b/integration-tests/upgradeable-contracts/set-code-hash/updated-incrementer/Cargo.toml
index 0667cb79c30..eeeccfdd58d 100644
--- a/integration-tests/upgradeable-contracts/set-code-hash/updated-incrementer/Cargo.toml
+++ b/integration-tests/upgradeable-contracts/set-code-hash/updated-incrementer/Cargo.toml
@@ -26,3 +26,7 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
+
+[profile.release]
+opt-level = 's'
+lto = true

From 75ac5f433f8f40566ebd3ac89896fa8e782a7422 Mon Sep 17 00:00:00 2001
From: Alexander Gryaznov <hi@agryaznov.com>
Date: Wed, 1 Mar 2023 16:16:44 +0200
Subject: [PATCH 4/5] tweak options, iteration 2

---
 integration-tests/dns/Cargo.toml      | 2 +-
 integration-tests/erc1155/Cargo.toml  | 2 +-
 integration-tests/erc20/Cargo.toml    | 2 +-
 integration-tests/erc721/Cargo.toml   | 2 +-
 integration-tests/multisig/Cargo.toml | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/integration-tests/dns/Cargo.toml b/integration-tests/dns/Cargo.toml
index 19c7923495c..87f6d59c0ac 100644
--- a/integration-tests/dns/Cargo.toml
+++ b/integration-tests/dns/Cargo.toml
@@ -26,5 +26,5 @@ std = [
 ink-as-dependency = []
 
 [profile.release]
-opt-level = 's'
+opt-level = 'z'
 lto = true
diff --git a/integration-tests/erc1155/Cargo.toml b/integration-tests/erc1155/Cargo.toml
index f78900dffde..a3c26c38029 100644
--- a/integration-tests/erc1155/Cargo.toml
+++ b/integration-tests/erc1155/Cargo.toml
@@ -26,5 +26,5 @@ std = [
 ink-as-dependency = []
 
 [profile.release]
-opt-level = 's'
+opt-level = 'z'
 lto = true
diff --git a/integration-tests/erc20/Cargo.toml b/integration-tests/erc20/Cargo.toml
index 05626a4411f..798dffa1700 100644
--- a/integration-tests/erc20/Cargo.toml
+++ b/integration-tests/erc20/Cargo.toml
@@ -30,5 +30,5 @@ ink-as-dependency = []
 e2e-tests = []
 
 [profile.release]
-opt-level = 's'
+opt-level = 'z'
 lto = true
diff --git a/integration-tests/erc721/Cargo.toml b/integration-tests/erc721/Cargo.toml
index 595ef8a3217..f940c4dafc7 100644
--- a/integration-tests/erc721/Cargo.toml
+++ b/integration-tests/erc721/Cargo.toml
@@ -26,5 +26,5 @@ std = [
 ink-as-dependency = []
 
 [profile.release]
-opt-level = 's'
+opt-level = 'z'
 lto = true
diff --git a/integration-tests/multisig/Cargo.toml b/integration-tests/multisig/Cargo.toml
index 44cb3393a95..9bd9e249429 100755
--- a/integration-tests/multisig/Cargo.toml
+++ b/integration-tests/multisig/Cargo.toml
@@ -26,5 +26,5 @@ std = [
 ink-as-dependency = []
 
 [profile.release]
-opt-level = 's'
+opt-level = 'z'
 lto = true

From ca802d39ba4c34e017e13650d7463df4fd5d5bbd Mon Sep 17 00:00:00 2001
From: Alexander Gryaznov <hi@agryaznov.com>
Date: Fri, 3 Mar 2023 16:06:20 +0200
Subject: [PATCH 5/5] Revert "tweak optimization options in profiles"

This reverts commit 33d0279ffef43b6b0de6e2bf371e9f465ba7f1b0.
---
 integration-tests/call-runtime/Cargo.toml                     | 4 ----
 integration-tests/contract-terminate/Cargo.toml               | 4 ----
 integration-tests/contract-transfer/Cargo.toml                | 4 ----
 integration-tests/custom-environment/Cargo.toml               | 4 ----
 integration-tests/custom_allocator/Cargo.toml                 | 4 ----
 integration-tests/delegator/Cargo.toml                        | 4 ----
 integration-tests/delegator/accumulator/Cargo.toml            | 4 ----
 integration-tests/delegator/adder/Cargo.toml                  | 4 ----
 integration-tests/delegator/subber/Cargo.toml                 | 4 ----
 integration-tests/dns/Cargo.toml                              | 4 ----
 integration-tests/erc1155/Cargo.toml                          | 4 ----
 integration-tests/erc20/Cargo.toml                            | 4 ----
 integration-tests/erc721/Cargo.toml                           | 4 ----
 integration-tests/flipper/Cargo.toml                          | 4 ----
 integration-tests/incrementer/Cargo.toml                      | 4 ----
 .../lang-err-integration-tests/call-builder/Cargo.toml        | 4 ----
 .../constructors-return-value/Cargo.toml                      | 4 ----
 .../lang-err-integration-tests/contract-ref/Cargo.toml        | 4 ----
 .../lang-err-integration-tests/integration-flipper/Cargo.toml | 4 ----
 integration-tests/mapping_integration_tests/Cargo.toml        | 4 ----
 integration-tests/mother/Cargo.toml                           | 4 ----
 integration-tests/multisig/Cargo.toml                         | 4 ----
 integration-tests/payment-channel/Cargo.toml                  | 4 ----
 integration-tests/psp22-extension/Cargo.toml                  | 4 ----
 integration-tests/rand-extension/Cargo.toml                   | 4 ----
 integration-tests/trait-erc20/Cargo.toml                      | 4 ----
 integration-tests/trait-flipper/Cargo.toml                    | 4 ----
 integration-tests/trait-incrementer/Cargo.toml                | 4 ----
 integration-tests/trait-incrementer/traits/Cargo.toml         | 4 ----
 .../upgradeable-contracts/forward-calls/Cargo.toml            | 4 ----
 .../upgradeable-contracts/set-code-hash/Cargo.toml            | 4 ----
 .../set-code-hash/updated-incrementer/Cargo.toml              | 4 ----
 32 files changed, 128 deletions(-)

diff --git a/integration-tests/call-runtime/Cargo.toml b/integration-tests/call-runtime/Cargo.toml
index a6e2ac16a3a..72aa67835a9 100644
--- a/integration-tests/call-runtime/Cargo.toml
+++ b/integration-tests/call-runtime/Cargo.toml
@@ -41,7 +41,3 @@ e2e-tests = []
 # Assumes that the node used in E2E testing allows using the `call-runtime` API, including triggering
 # `Balances::transfer` extrinsic.
 permissive-node = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/contract-terminate/Cargo.toml b/integration-tests/contract-terminate/Cargo.toml
index 41b32d1a122..d2834eb3c92 100644
--- a/integration-tests/contract-terminate/Cargo.toml
+++ b/integration-tests/contract-terminate/Cargo.toml
@@ -28,7 +28,3 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/contract-transfer/Cargo.toml b/integration-tests/contract-transfer/Cargo.toml
index 0b0dd1e539d..1b54492d75b 100644
--- a/integration-tests/contract-transfer/Cargo.toml
+++ b/integration-tests/contract-transfer/Cargo.toml
@@ -28,7 +28,3 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/custom-environment/Cargo.toml b/integration-tests/custom-environment/Cargo.toml
index b393fc2b3a6..514d7ada7b4 100644
--- a/integration-tests/custom-environment/Cargo.toml
+++ b/integration-tests/custom-environment/Cargo.toml
@@ -29,7 +29,3 @@ e2e-tests = []
 
 # Assumes that the node used in E2E testing allows for at least 6 event topics.
 permissive-node = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/custom_allocator/Cargo.toml b/integration-tests/custom_allocator/Cargo.toml
index 6653c6f1e97..b77054071e5 100755
--- a/integration-tests/custom_allocator/Cargo.toml
+++ b/integration-tests/custom_allocator/Cargo.toml
@@ -31,7 +31,3 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/delegator/Cargo.toml b/integration-tests/delegator/Cargo.toml
index 409b6738812..e1856d39a3f 100644
--- a/integration-tests/delegator/Cargo.toml
+++ b/integration-tests/delegator/Cargo.toml
@@ -43,7 +43,3 @@ members = [
     "adder",
     "subber",
 ]
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/delegator/accumulator/Cargo.toml b/integration-tests/delegator/accumulator/Cargo.toml
index b443751bd70..f460417f813 100644
--- a/integration-tests/delegator/accumulator/Cargo.toml
+++ b/integration-tests/delegator/accumulator/Cargo.toml
@@ -27,7 +27,3 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/delegator/adder/Cargo.toml b/integration-tests/delegator/adder/Cargo.toml
index f32aef7662f..2512c752b20 100644
--- a/integration-tests/delegator/adder/Cargo.toml
+++ b/integration-tests/delegator/adder/Cargo.toml
@@ -32,7 +32,3 @@ std = [
     "accumulator/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/delegator/subber/Cargo.toml b/integration-tests/delegator/subber/Cargo.toml
index 8fb4d28d453..475e0691122 100644
--- a/integration-tests/delegator/subber/Cargo.toml
+++ b/integration-tests/delegator/subber/Cargo.toml
@@ -32,7 +32,3 @@ std = [
     "accumulator/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/dns/Cargo.toml b/integration-tests/dns/Cargo.toml
index 87f6d59c0ac..9eb3733ec81 100644
--- a/integration-tests/dns/Cargo.toml
+++ b/integration-tests/dns/Cargo.toml
@@ -24,7 +24,3 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 'z'
-lto = true
diff --git a/integration-tests/erc1155/Cargo.toml b/integration-tests/erc1155/Cargo.toml
index a3c26c38029..2e52ef6642c 100644
--- a/integration-tests/erc1155/Cargo.toml
+++ b/integration-tests/erc1155/Cargo.toml
@@ -24,7 +24,3 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 'z'
-lto = true
diff --git a/integration-tests/erc20/Cargo.toml b/integration-tests/erc20/Cargo.toml
index 798dffa1700..2389805c87b 100644
--- a/integration-tests/erc20/Cargo.toml
+++ b/integration-tests/erc20/Cargo.toml
@@ -28,7 +28,3 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
-
-[profile.release]
-opt-level = 'z'
-lto = true
diff --git a/integration-tests/erc721/Cargo.toml b/integration-tests/erc721/Cargo.toml
index f940c4dafc7..f8d1cca5f3f 100644
--- a/integration-tests/erc721/Cargo.toml
+++ b/integration-tests/erc721/Cargo.toml
@@ -24,7 +24,3 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 'z'
-lto = true
diff --git a/integration-tests/flipper/Cargo.toml b/integration-tests/flipper/Cargo.toml
index 3f25b6b1eeb..324f87ddaec 100644
--- a/integration-tests/flipper/Cargo.toml
+++ b/integration-tests/flipper/Cargo.toml
@@ -28,7 +28,3 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/incrementer/Cargo.toml b/integration-tests/incrementer/Cargo.toml
index 68d6219a711..173eb53c804 100644
--- a/integration-tests/incrementer/Cargo.toml
+++ b/integration-tests/incrementer/Cargo.toml
@@ -24,7 +24,3 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/lang-err-integration-tests/call-builder/Cargo.toml b/integration-tests/lang-err-integration-tests/call-builder/Cargo.toml
index 11f5218bf80..008615d68df 100755
--- a/integration-tests/lang-err-integration-tests/call-builder/Cargo.toml
+++ b/integration-tests/lang-err-integration-tests/call-builder/Cargo.toml
@@ -37,7 +37,3 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/lang-err-integration-tests/constructors-return-value/Cargo.toml b/integration-tests/lang-err-integration-tests/constructors-return-value/Cargo.toml
index 674984eaea0..6d4dfa6bce0 100644
--- a/integration-tests/lang-err-integration-tests/constructors-return-value/Cargo.toml
+++ b/integration-tests/lang-err-integration-tests/constructors-return-value/Cargo.toml
@@ -33,7 +33,3 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/lang-err-integration-tests/contract-ref/Cargo.toml b/integration-tests/lang-err-integration-tests/contract-ref/Cargo.toml
index 6767acae059..8801797b2f2 100755
--- a/integration-tests/lang-err-integration-tests/contract-ref/Cargo.toml
+++ b/integration-tests/lang-err-integration-tests/contract-ref/Cargo.toml
@@ -34,7 +34,3 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/lang-err-integration-tests/integration-flipper/Cargo.toml b/integration-tests/lang-err-integration-tests/integration-flipper/Cargo.toml
index 25ddc7e7245..fa037e62d55 100644
--- a/integration-tests/lang-err-integration-tests/integration-flipper/Cargo.toml
+++ b/integration-tests/lang-err-integration-tests/integration-flipper/Cargo.toml
@@ -33,7 +33,3 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/mapping_integration_tests/Cargo.toml b/integration-tests/mapping_integration_tests/Cargo.toml
index e780ed3fca8..ce9d51ce890 100755
--- a/integration-tests/mapping_integration_tests/Cargo.toml
+++ b/integration-tests/mapping_integration_tests/Cargo.toml
@@ -31,7 +31,3 @@ std = [
 ]
 ink-as-dependency = []
 e2e-tests = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/mother/Cargo.toml b/integration-tests/mother/Cargo.toml
index b49f17d86ff..4e322fcc514 100755
--- a/integration-tests/mother/Cargo.toml
+++ b/integration-tests/mother/Cargo.toml
@@ -31,7 +31,3 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/multisig/Cargo.toml b/integration-tests/multisig/Cargo.toml
index 9bd9e249429..76eeb76a866 100755
--- a/integration-tests/multisig/Cargo.toml
+++ b/integration-tests/multisig/Cargo.toml
@@ -24,7 +24,3 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 'z'
-lto = true
diff --git a/integration-tests/payment-channel/Cargo.toml b/integration-tests/payment-channel/Cargo.toml
index 25ff1043fd1..ccfc677d215 100755
--- a/integration-tests/payment-channel/Cargo.toml
+++ b/integration-tests/payment-channel/Cargo.toml
@@ -29,7 +29,3 @@ std = [
 ]
 
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/psp22-extension/Cargo.toml b/integration-tests/psp22-extension/Cargo.toml
index 4bdbdfdc307..ec09dbad0f2 100755
--- a/integration-tests/psp22-extension/Cargo.toml
+++ b/integration-tests/psp22-extension/Cargo.toml
@@ -24,7 +24,3 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/rand-extension/Cargo.toml b/integration-tests/rand-extension/Cargo.toml
index 6958661188e..1007ad2b03d 100755
--- a/integration-tests/rand-extension/Cargo.toml
+++ b/integration-tests/rand-extension/Cargo.toml
@@ -24,7 +24,3 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/trait-erc20/Cargo.toml b/integration-tests/trait-erc20/Cargo.toml
index 00acaa0eac4..b19515e7a49 100644
--- a/integration-tests/trait-erc20/Cargo.toml
+++ b/integration-tests/trait-erc20/Cargo.toml
@@ -24,7 +24,3 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/trait-flipper/Cargo.toml b/integration-tests/trait-flipper/Cargo.toml
index bab23837980..49d6a4265c0 100644
--- a/integration-tests/trait-flipper/Cargo.toml
+++ b/integration-tests/trait-flipper/Cargo.toml
@@ -24,7 +24,3 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/trait-incrementer/Cargo.toml b/integration-tests/trait-incrementer/Cargo.toml
index 08f2942da36..5f308627e56 100644
--- a/integration-tests/trait-incrementer/Cargo.toml
+++ b/integration-tests/trait-incrementer/Cargo.toml
@@ -26,7 +26,3 @@ std = [
     "traits/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/trait-incrementer/traits/Cargo.toml b/integration-tests/trait-incrementer/traits/Cargo.toml
index a70c628436d..cd0f8d74311 100644
--- a/integration-tests/trait-incrementer/traits/Cargo.toml
+++ b/integration-tests/trait-incrementer/traits/Cargo.toml
@@ -24,7 +24,3 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/upgradeable-contracts/forward-calls/Cargo.toml b/integration-tests/upgradeable-contracts/forward-calls/Cargo.toml
index fdae3300c42..4173183631d 100644
--- a/integration-tests/upgradeable-contracts/forward-calls/Cargo.toml
+++ b/integration-tests/upgradeable-contracts/forward-calls/Cargo.toml
@@ -24,7 +24,3 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/upgradeable-contracts/set-code-hash/Cargo.toml b/integration-tests/upgradeable-contracts/set-code-hash/Cargo.toml
index 31b99af94d4..27b102b19b7 100644
--- a/integration-tests/upgradeable-contracts/set-code-hash/Cargo.toml
+++ b/integration-tests/upgradeable-contracts/set-code-hash/Cargo.toml
@@ -28,7 +28,3 @@ std = [
 ink-as-dependency = []
 
 
-
-[profile.release]
-opt-level = 's'
-lto = true
diff --git a/integration-tests/upgradeable-contracts/set-code-hash/updated-incrementer/Cargo.toml b/integration-tests/upgradeable-contracts/set-code-hash/updated-incrementer/Cargo.toml
index eeeccfdd58d..0667cb79c30 100644
--- a/integration-tests/upgradeable-contracts/set-code-hash/updated-incrementer/Cargo.toml
+++ b/integration-tests/upgradeable-contracts/set-code-hash/updated-incrementer/Cargo.toml
@@ -26,7 +26,3 @@ std = [
     "scale-info/std",
 ]
 ink-as-dependency = []
-
-[profile.release]
-opt-level = 's'
-lto = true