diff --git a/crates/tests/component/src/bindings.rs b/crates/tests/component/src/bindings.rs
index 907164a08b..4ba48a1b39 100644
--- a/crates/tests/component/src/bindings.rs
+++ b/crates/tests/component/src/bindings.rs
@@ -73,8 +73,8 @@ pub mod Nested {
                 Method: Method::<Identity, Impl, OFFSET>,
             }
         }
-        pub fn matches(iid: &::windows_core::GUID) -> bool {
-            iid == &<IThing as ::windows_core::ComInterface>::IID
+        pub unsafe fn matches(iid: *const ::windows_core::GUID) -> bool {
+            *iid == <IThing as ::windows_core::ComInterface>::IID
         }
     }
 }
@@ -382,13 +382,13 @@ impl<F: FnMut(i32) -> ::windows_core::Result<i32> + ::core::marker::Send + 'stat
     };
     unsafe extern "system" fn QueryInterface(
         this: *mut ::core::ffi::c_void,
-        iid: &::windows_core::GUID,
-        interface: *mut *const ::core::ffi::c_void,
+        iid: *const ::windows_core::GUID,
+        interface: *mut *mut ::core::ffi::c_void,
     ) -> ::windows_core::HRESULT {
         let this = this as *mut *mut ::core::ffi::c_void as *mut Self;
-        *interface = if iid == &<Callback as ::windows_core::ComInterface>::IID
-            || iid == &<::windows_core::IUnknown as ::windows_core::ComInterface>::IID
-            || iid == &<::windows_core::imp::IAgileObject as ::windows_core::ComInterface>::IID
+        *interface = if *iid == <Callback as ::windows_core::ComInterface>::IID
+            || *iid == <::windows_core::IUnknown as ::windows_core::ComInterface>::IID
+            || *iid == <::windows_core::imp::IAgileObject as ::windows_core::ComInterface>::IID
         {
             &mut (*this).vtable as *mut _ as _
         } else {
@@ -643,7 +643,7 @@ impl IClass_Vtbl {
             Input: Input::<Identity, Impl, OFFSET>,
         }
     }
-    pub fn matches(iid: &::windows_core::GUID) -> bool {
-        iid == &<IClass as ::windows_core::ComInterface>::IID
+    pub unsafe fn matches(iid: *const ::windows_core::GUID) -> bool {
+        *iid == <IClass as ::windows_core::ComInterface>::IID
     }
 }
diff --git a/crates/tests/component_client/src/bindings.rs b/crates/tests/component_client/src/bindings.rs
index 20a62245b1..ba52fcd11e 100644
--- a/crates/tests/component_client/src/bindings.rs
+++ b/crates/tests/component_client/src/bindings.rs
@@ -350,13 +350,13 @@ impl<F: FnMut(i32) -> ::windows_core::Result<i32> + ::core::marker::Send + 'stat
     };
     unsafe extern "system" fn QueryInterface(
         this: *mut ::core::ffi::c_void,
-        iid: &::windows_core::GUID,
-        interface: *mut *const ::core::ffi::c_void,
+        iid: *const ::windows_core::GUID,
+        interface: *mut *mut ::core::ffi::c_void,
     ) -> ::windows_core::HRESULT {
         let this = this as *mut *mut ::core::ffi::c_void as *mut Self;
-        *interface = if iid == &<Callback as ::windows_core::ComInterface>::IID
-            || iid == &<::windows_core::IUnknown as ::windows_core::ComInterface>::IID
-            || iid == &<::windows_core::imp::IAgileObject as ::windows_core::ComInterface>::IID
+        *interface = if *iid == <Callback as ::windows_core::ComInterface>::IID
+            || *iid == <::windows_core::IUnknown as ::windows_core::ComInterface>::IID
+            || *iid == <::windows_core::imp::IAgileObject as ::windows_core::ComInterface>::IID
         {
             &mut (*this).vtable as *mut _ as _
         } else {
diff --git a/crates/tests/implement/tests/class_factory.rs b/crates/tests/implement/tests/class_factory.rs
index bd510d853f..ff53dd1125 100644
--- a/crates/tests/implement/tests/class_factory.rs
+++ b/crates/tests/implement/tests/class_factory.rs
@@ -32,7 +32,7 @@ impl IClassFactory_Impl for Factory {
     ) -> Result<()> {
         assert!(outer.is_none());
         let unknown: IInspectable = Object().into();
-        unsafe { unknown.query(&*iid, object as *mut _).ok() }
+        unsafe { unknown.query(iid, object).ok() }
     }
 
     fn LockServer(&self, lock: BOOL) -> Result<()> {
diff --git a/crates/tests/implement/tests/from_raw_borrowed.rs b/crates/tests/implement/tests/from_raw_borrowed.rs
index fc34529522..61d9cf6d9d 100644
--- a/crates/tests/implement/tests/from_raw_borrowed.rs
+++ b/crates/tests/implement/tests/from_raw_borrowed.rs
@@ -25,7 +25,7 @@ impl IServiceProvider_Impl for Borrowed {
     ) -> Result<()> {
         unsafe {
             let unknown: IUnknown = self.cast()?;
-            unknown.query(&*iid, object as _).ok()
+            unknown.query(iid, object).ok()
         }
     }
 }
diff --git a/crates/tests/weak_ref/tests/count.rs b/crates/tests/weak_ref/tests/count.rs
index cbe873b89e..d89ad20011 100644
--- a/crates/tests/weak_ref/tests/count.rs
+++ b/crates/tests/weak_ref/tests/count.rs
@@ -6,10 +6,10 @@ use windows::Win32::System::WinRT::IWeakReferenceSource;
 fn test() {
     // Ref count starts at 1
     let count = WeakRefCount::new();
-    assert!(count.add_ref() == 2);
-    assert!(count.add_ref() == 3);
-    assert!(count.release() == 2);
-    assert!(count.release() == 1);
+    assert_eq!(count.add_ref(), 2);
+    assert_eq!(count.add_ref(), 3);
+    assert_eq!(count.release(), 2);
+    assert_eq!(count.release(), 1);
 
     // Query implies add_ref
     unsafe {
@@ -17,8 +17,8 @@ fn test() {
     }
 
     // Ref count is now owned by tearoff
-    assert!(count.add_ref() == 3);
-    assert!(count.release() == 2);
-    assert!(count.release() == 1);
-    assert!(count.release() == 0);
+    assert_eq!(count.add_ref(), 3);
+    assert_eq!(count.release(), 2);
+    assert_eq!(count.release(), 1);
+    assert_eq!(count.release(), 0);
 }