diff --git a/glib/src/collections/list.rs b/glib/src/collections/list.rs
index aa6a24ed1183..71bf92b3e933 100644
--- a/glib/src/collections/list.rs
+++ b/glib/src/collections/list.rs
@@ -385,7 +385,8 @@ impl<T: TransparentPtrType> List<T> {
     /// Consumes the list and returns the underlying pointer.
     #[inline]
     pub fn into_raw(mut self) -> *mut ffi::GList {
-        mem::replace(&mut self.ptr, None)
+        self.ptr
+            .take()
             .map(|p| p.as_ptr())
             .unwrap_or(ptr::null_mut())
     }
diff --git a/glib/src/collections/slist.rs b/glib/src/collections/slist.rs
index 2aa03f97b07b..70f013b202cd 100644
--- a/glib/src/collections/slist.rs
+++ b/glib/src/collections/slist.rs
@@ -380,7 +380,8 @@ impl<T: TransparentPtrType> SList<T> {
     /// Consumes the list and returns the underlying pointer.
     #[inline]
     pub fn into_raw(mut self) -> *mut ffi::GSList {
-        mem::replace(&mut self.ptr, None)
+        self.ptr
+            .take()
             .map(|p| p.as_ptr())
             .unwrap_or(ptr::null_mut())
     }
diff --git a/glib/src/main_context_futures.rs b/glib/src/main_context_futures.rs
index a86f89d145bc..5e0f86e5ff87 100644
--- a/glib/src/main_context_futures.rs
+++ b/glib/src/main_context_futures.rs
@@ -620,11 +620,10 @@ impl MainContext {
     pub fn block_on<F: Future>(&self, f: F) -> F::Output {
         let mut res = None;
         let l = MainLoop::new(Some(self), false);
-        let l_clone = l.clone();
 
         let f = async {
             res = Some(panic::AssertUnwindSafe(f).catch_unwind().await);
-            l_clone.quit();
+            l.quit();
         };
 
         let f = unsafe {
diff --git a/glib/src/variant.rs b/glib/src/variant.rs
index 59163e810d1b..7793e804d23b 100644
--- a/glib/src/variant.rs
+++ b/glib/src/variant.rs
@@ -1958,7 +1958,7 @@ impl<A: AsRef<[T]>, T: FixedSizeVariantType> From<FixedSizeVariantArray<A, T>> f
             let data = Box::new(a.0);
             let (data_ptr, len) = {
                 let data = (*data).as_ref();
-                (data.as_ptr(), data.len() * mem::size_of::<T>())
+                (data.as_ptr(), mem::size_of_val(data))
             };
 
             unsafe extern "C" fn free_data<A: AsRef<[T]>, T: FixedSizeVariantType>(
diff --git a/pangocairo/src/prelude.rs b/pangocairo/src/prelude.rs
index 3992832392b4..80249c607629 100644
--- a/pangocairo/src/prelude.rs
+++ b/pangocairo/src/prelude.rs
@@ -1,5 +1,7 @@
 // Take a look at the license at the top of the repository in the LICENSE file.
 
+#![allow(ambiguous_glob_reexports)]
+
 #[doc(hidden)]
 pub use glib::prelude::*;
 #[doc(hidden)]