diff --git a/cykusz-rs/src/arch/x86_64/acpi/rsdp.rs b/cykusz-rs/src/arch/x86_64/acpi/rsdp.rs
index 692a5c95..2dfd8102 100644
--- a/cykusz-rs/src/arch/x86_64/acpi/rsdp.rs
+++ b/cykusz-rs/src/arch/x86_64/acpi/rsdp.rs
@@ -12,6 +12,7 @@ pub enum Address {
 trait Header {
     fn signature(&'static self) -> &'static [u8; 8];
     fn rsdt_address(&'static self) -> MappedAddr;
+    #[allow(dead_code)]
     fn revision(&'static self) -> u8;
 }
 
diff --git a/cykusz-rs/src/arch/x86_64/gdt.rs b/cykusz-rs/src/arch/x86_64/gdt.rs
index 013c5501..a86fe4da 100644
--- a/cykusz-rs/src/arch/x86_64/gdt.rs
+++ b/cykusz-rs/src/arch/x86_64/gdt.rs
@@ -1,3 +1,4 @@
+use core::ptr::addr_of;
 use crate::arch::raw::descriptor as dsc;
 use crate::arch::raw::gdt;
 use crate::arch::raw::segmentation as sgm;
@@ -61,7 +62,7 @@ pub const fn ring3_ds() -> sgm::SegmentSelector {
 pub fn early_init() {
     unsafe {
         INIT_GDTR.init(&INIT_GDT[..]);
-        dsc::lgdt(&INIT_GDTR);
+        dsc::lgdt(addr_of!(INIT_GDTR));
 
         sgm::set_cs(ring0_cs());
         sgm::load_ds(ring0_ds());
@@ -87,19 +88,19 @@ fn init_tss(stack_top: VirtAddr, fs_base: u64) {
             let gdt_low = &mut GDT[5];
             //logln!("here {:p}", gdt_low as *mut _);
 
-            gdt_low.set_offset(&TSS as *const _ as u32);
+            gdt_low.set_offset(addr_of!(TSS) as u32);
             gdt_low.set_limit(::core::mem::size_of::<TaskStateSegment>() as u32);
         }
 
         {
             let gdt_high = &mut GDT[6];
-            gdt_high.set_raw((&TSS as *const _ as u64) >> 32);
+            gdt_high.set_raw((addr_of!(TSS) as u64) >> 32);
         }
 
         dsc::load_tr(&sgm::SegmentSelector::from_raw(5 << 3));
 
         use crate::arch::raw::msr;
-        msr::wrmsr(msr::IA32_KERNEL_GS_BASE, &TSS as *const _ as u64);
+        msr::wrmsr(msr::IA32_KERNEL_GS_BASE, addr_of!(TSS) as u64);
     }
 }
 
@@ -107,7 +108,7 @@ fn init_tss(stack_top: VirtAddr, fs_base: u64) {
 pub fn init(stack_top: VirtAddr, fs_base: u64) {
     unsafe {
         GDTR.init(&GDT[..]);
-        dsc::lgdt(&GDTR);
+        dsc::lgdt(addr_of!(GDTR));
 
         sgm::set_cs(ring0_cs());
         sgm::load_ds(ring0_ds());
diff --git a/cykusz-rs/src/arch/x86_64/mm/virt/table.rs b/cykusz-rs/src/arch/x86_64/mm/virt/table.rs
index c4ca559a..86b7195b 100644
--- a/cykusz-rs/src/arch/x86_64/mm/virt/table.rs
+++ b/cykusz-rs/src/arch/x86_64/mm/virt/table.rs
@@ -2,8 +2,6 @@ use core::marker::PhantomData;
 
 use crate::arch::mm::virt::entry::Entry;
 use crate::arch::x86_64::mm::phys::PhysPage;
-use crate::kernel::mm::virt;
-use crate::kernel::mm::Frame;
 use crate::kernel::mm::*;
 use crate::kernel::sync::SpinGuard;
 
diff --git a/cykusz-rs/src/arch/x86_64/output/mod.rs b/cykusz-rs/src/arch/x86_64/output/mod.rs
index eb23d060..d3838d82 100644
--- a/cykusz-rs/src/arch/x86_64/output/mod.rs
+++ b/cykusz-rs/src/arch/x86_64/output/mod.rs
@@ -238,7 +238,7 @@ macro_rules! logln {
 #[allow(unused)]
 macro_rules! log {
     ($($arg:tt)*) => ({
-        crate::arch::output::log_fmt_disabled(format_args!($($arg)*)).unwrap();
+        crate::arch::output::log_fmt(format_args!($($arg)*)).unwrap();
     });
 }
 #[macro_export]
diff --git a/cykusz-rs/src/arch/x86_64/raw/descriptor.rs b/cykusz-rs/src/arch/x86_64/raw/descriptor.rs
index 0a1008fc..4b927efc 100644
--- a/cykusz-rs/src/arch/x86_64/raw/descriptor.rs
+++ b/cykusz-rs/src/arch/x86_64/raw/descriptor.rs
@@ -102,7 +102,7 @@ pub unsafe fn lidt(idt: &DescriptorTablePointer<idt::IdtEntry>) {
     asm!("lidt [{0}]", in(reg) idt);
 }
 
-pub unsafe fn lgdt(gdt: &DescriptorTablePointer<gdt::GdtEntry>) {
+pub unsafe fn lgdt(gdt: *const DescriptorTablePointer<gdt::GdtEntry>) {
     asm!("lgdt [{0}]", in(reg) gdt);
 }
 
diff --git a/cykusz-rs/src/drivers/multiboot2/mod.rs b/cykusz-rs/src/drivers/multiboot2/mod.rs
index 44720d5d..899c15aa 100644
--- a/cykusz-rs/src/drivers/multiboot2/mod.rs
+++ b/cykusz-rs/src/drivers/multiboot2/mod.rs
@@ -1,3 +1,5 @@
+use core::ptr::addr_of;
+use crate::drivers::multiboot2::framebuffer_info::FramebufferInfo;
 use crate::kernel::mm::{MappedAddr, PhysAddr, VirtAddr};
 
 pub use self::tags::*;
@@ -76,7 +78,7 @@ impl Info {
 
     pub fn framebuffer_info_tag(&self) -> Option<&'static tags::framebuffer_info::FramebufferInfo> {
         self.tags().find(|t| t.typ == 8).map(|t| unsafe {
-            &*(t as *const tags::Tag as *const tags::framebuffer_info::FramebufferInfo)
+            VirtAddr(addr_of!(*t) as usize).read_ref::<FramebufferInfo>()
         })
     }
 
diff --git a/cykusz-rs/src/drivers/multiboot2/tags/framebuffer_info.rs b/cykusz-rs/src/drivers/multiboot2/tags/framebuffer_info.rs
index f3e63ae0..97370425 100644
--- a/cykusz-rs/src/drivers/multiboot2/tags/framebuffer_info.rs
+++ b/cykusz-rs/src/drivers/multiboot2/tags/framebuffer_info.rs
@@ -1,4 +1,6 @@
+use core::ptr::addr_of;
 use crate::drivers::multiboot2::Tag;
+use crate::kernel::mm::VirtAddr;
 
 #[repr(C)]
 #[derive(Debug)]
@@ -84,6 +86,6 @@ impl FramebufferInfo {
     }
 
     pub fn framebuffer_type(&self) -> &'static FramebufferType {
-        unsafe { &*(&self.color_info as *const u8 as *const FramebufferType) }
+        unsafe { VirtAddr(addr_of!(self.color_info) as usize).read_ref::<FramebufferType>() }
     }
 }
diff --git a/cykusz-rs/src/drivers/net/e1000/device.rs b/cykusz-rs/src/drivers/net/e1000/device.rs
index 008aa063..ae6ce55c 100644
--- a/cykusz-rs/src/drivers/net/e1000/device.rs
+++ b/cykusz-rs/src/drivers/net/e1000/device.rs
@@ -1,12 +1,9 @@
-use alloc::vec::Vec;
 use bit_field::BitField;
 
-use crate::drivers::net::e1000::addr::Addr;
-use crate::drivers::net::e1000::regs::Regs;
-use crate::drivers::pci::{PciData, PciHeader, PciHeader0};
+use crate::drivers::pci::{PciData, PciHeader0};
 use crate::kernel::mm::allocate_order;
 use crate::kernel::mm::heap::{allocate_align, deallocate_align};
-use crate::kernel::mm::{MappedAddr, PhysAddr, VirtAddr};
+use crate::kernel::mm::{PhysAddr, VirtAddr};
 use crate::kernel::net::PacketBaseTrait;
 use crate::kernel::timer::busy_sleep;
 
diff --git a/cykusz-rs/src/drivers/random.rs b/cykusz-rs/src/drivers/random.rs
index 155f2de7..c71ded6e 100644
--- a/cykusz-rs/src/drivers/random.rs
+++ b/cykusz-rs/src/drivers/random.rs
@@ -5,7 +5,6 @@ use alloc::sync::{Arc, Weak};
 
 use crate::kernel::sync::Spin;
 use crate::kernel::timer::current_ns;
-use rand;
 use rand::{RngCore, SeedableRng};
 
 struct Random {
diff --git a/cykusz-rs/src/kernel/mm/heap.rs b/cykusz-rs/src/kernel/mm/heap.rs
index d005cdea..bf969071 100644
--- a/cykusz-rs/src/kernel/mm/heap.rs
+++ b/cykusz-rs/src/kernel/mm/heap.rs
@@ -7,8 +7,6 @@ use linked_list_allocator::Heap;
 use spin::Once;
 
 use crate::arch::mm::heap::{HEAP_END, HEAP_SIZE, HEAP_START};
-use crate::kernel::mm::map;
-use crate::kernel::mm::PAGE_SIZE;
 use crate::kernel::mm::*;
 use crate::kernel::sync::Spin;
 use crate::kernel::utils::types::Align;
diff --git a/cykusz-rs/src/kernel/syscall/sys.rs b/cykusz-rs/src/kernel/syscall/sys.rs
index 1a5c03eb..a02fe11e 100644
--- a/cykusz-rs/src/kernel/syscall/sys.rs
+++ b/cykusz-rs/src/kernel/syscall/sys.rs
@@ -591,7 +591,7 @@ pub fn sys_link(
         )
     };
 
-    if Weak::as_ptr(&inode.fs().unwrap()) != Weak::as_ptr(&target_entry.inode().fs().unwrap()) {
+    if !Weak::ptr_eq(&inode.fs().unwrap(), &target_entry.inode().fs().unwrap()) {
         return Err(SyscallError::EINVAL);
     }
 
@@ -677,7 +677,7 @@ pub fn sys_rename(
         )
     };
 
-    if new.inode().fs().unwrap().as_ptr() != old.inode().fs().unwrap().as_ptr() {
+    if !Weak::ptr_eq(&new.inode().fs().unwrap(), &old.inode().fs().unwrap()) {
         return Err(SyscallError::EACCES);
     }
 
diff --git a/cykusz-rs/src/lib.rs b/cykusz-rs/src/lib.rs
index e0f3c3d5..13076bf6 100644
--- a/cykusz-rs/src/lib.rs
+++ b/cykusz-rs/src/lib.rs
@@ -1,7 +1,6 @@
 #![no_std]
 #![allow(internal_features)]
 #![feature(alloc_error_handler)]
-#![feature(array_methods)]
 #![feature(asm_const)]
 #![feature(auto_traits)]
 #![feature(c_variadic)]
diff --git a/syscall-defs/src/lib.rs b/syscall-defs/src/lib.rs
index 26cc4f75..59625d9d 100644
--- a/syscall-defs/src/lib.rs
+++ b/syscall-defs/src/lib.rs
@@ -6,9 +6,6 @@
 extern crate alloc;
 #[macro_use]
 extern crate bitflags;
-
-use core::convert::TryFrom;
-
 pub mod events;
 pub mod exec;
 pub mod ioctl;
diff --git a/syscall-defs/src/resource.rs b/syscall-defs/src/resource.rs
index 22efe2de..6f82ea4c 100644
--- a/syscall-defs/src/resource.rs
+++ b/syscall-defs/src/resource.rs
@@ -1,6 +1,4 @@
 use crate::SyscallError;
-use core::convert::TryFrom;
-
 pub enum RLimitKind {
     Core = 1,
     Cpu = 2,
diff --git a/user-alloc/src/types.rs b/user-alloc/src/types.rs
index 63938a36..f4af7c23 100644
--- a/user-alloc/src/types.rs
+++ b/user-alloc/src/types.rs
@@ -5,6 +5,7 @@ pub trait Align {
 }
 
 pub trait CeilDiv {
+    #[allow(dead_code)]
     fn ceil_div(self, d: Self) -> Self;
 }
 
diff --git a/userspace/src/bin/shell/main.rs b/userspace/src/bin/shell/main.rs
index cc0edd0c..416acf05 100644
--- a/userspace/src/bin/shell/main.rs
+++ b/userspace/src/bin/shell/main.rs
@@ -10,6 +10,7 @@ extern crate syscall_user as syscall;
 
 use alloc::string::String;
 use alloc::vec::Vec;
+use core::ptr::{addr_of, addr_of_mut};
 
 use chrono::{Datelike, Timelike};
 use syscall::bochs;
@@ -45,7 +46,7 @@ fn ls(path: &str) {
                 let struct_len = core::mem::size_of::<SysDirEntry>();
 
                 loop {
-                    let dentry = unsafe { &*(buf.as_ptr().offset(offset) as *const SysDirEntry) };
+                    let dentry = unsafe { &*(addr_of!(buf).offset(offset) as *const SysDirEntry) };
                     let namebytes = unsafe {
                         core::slice::from_raw_parts(
                             dentry.name.as_ptr(),
@@ -736,12 +737,12 @@ static mut READY: bool = false;
 
 fn set_ready(r: bool) {
     unsafe {
-        (&mut READY as *mut bool).write_volatile(r);
+        addr_of_mut!(READY).write_volatile(r);
     }
 }
 
 fn ready() -> bool {
-    unsafe { (&READY as *const bool).read_volatile() }
+    unsafe { addr_of!(READY).read_volatile() }
 }
 
 fn signal_test() {
@@ -836,7 +837,9 @@ fn main_old() -> ! {
         print!("[root {}]# ", make_str(&pwd[0..pwd_r]));
 
         // Read some data from stdin
-        let r = syscall::read(1, &mut buf).unwrap();
+        let r = syscall::read(1, &mut unsafe {
+            *addr_of_mut!(buf)
+        }).unwrap();
 
         {
             // Write data from stdin into the file
diff --git a/userspace/src/bin/shell/nc.rs b/userspace/src/bin/shell/nc.rs
index 86a011a5..dea19a9f 100644
--- a/userspace/src/bin/shell/nc.rs
+++ b/userspace/src/bin/shell/nc.rs
@@ -1,3 +1,4 @@
+use core::ptr::addr_of_mut;
 use syscall_defs::net::{SockAddr, SockAddrIn, SockDomain, SockType, SockTypeFlags};
 use syscall_defs::poll::FdSet;
 
@@ -23,7 +24,7 @@ static mut RECV_BUF: [u8; 2 * 4096] = [0u8; 2 * 4096];
 static mut SENT: usize = 0;
 
 fn recv(fd: usize) -> bool {
-    let res = unsafe { syscall::read(fd, &mut RECV_BUF) };
+    let res = unsafe { syscall::read(fd, &mut *addr_of_mut!(RECV_BUF)) };
 
     match res {
         Ok(len) if len > 1 => {