diff --git a/imgui-sys/src/lib.rs b/imgui-sys/src/lib.rs
index d2e7a40..af8addf 100644
--- a/imgui-sys/src/lib.rs
+++ b/imgui-sys/src/lib.rs
@@ -100,7 +100,7 @@ fn test_imvec2_memory_layout() {
     assert_eq!(mem::align_of::<ImVec2>(), mem::align_of::<[f32; 2]>());
     let test = ImVec2::new(1.0, 2.0);
     let ref_a: &ImVec2 = &test;
-    let ref_b: &[f32; 2] = unsafe { mem::transmute(&test) };
+    let ref_b: &[f32; 2] = unsafe { &*(&test as *const _ as *const [f32; 2]) };
     assert_eq!(&ref_a.x as *const _, &ref_b[0] as *const _);
     assert_eq!(&ref_a.y as *const _, &ref_b[1] as *const _);
 }
@@ -112,7 +112,7 @@ fn test_imvec4_memory_layout() {
     assert_eq!(mem::align_of::<ImVec4>(), mem::align_of::<[f32; 4]>());
     let test = ImVec4::new(1.0, 2.0, 3.0, 4.0);
     let ref_a: &ImVec4 = &test;
-    let ref_b: &[f32; 4] = unsafe { mem::transmute(&test) };
+    let ref_b: &[f32; 4] = unsafe { &*(&test as *const _ as *const [f32; 4]) };
     assert_eq!(&ref_a.x as *const _, &ref_b[0] as *const _);
     assert_eq!(&ref_a.y as *const _, &ref_b[1] as *const _);
     assert_eq!(&ref_a.z as *const _, &ref_b[2] as *const _);
diff --git a/src/context.rs b/src/context.rs
index 66029ea..880f04c 100644
--- a/src/context.rs
+++ b/src/context.rs
@@ -388,7 +388,7 @@ fn test_shared_font_atlas() {
     let _guard = crate::test::TEST_MUTEX.lock();
     let atlas = Rc::new(RefCell::new(SharedFontAtlas::create()));
     let suspended1 = SuspendedContext::create_with_shared_font_atlas(atlas.clone());
-    let mut ctx2 = Context::create_with_shared_font_atlas(atlas.clone());
+    let mut ctx2 = Context::create_with_shared_font_atlas(atlas);
     {
         let _borrow = ctx2.fonts();
     }
diff --git a/src/lib.rs b/src/lib.rs
index bb0ee21..e42cd40 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,4 @@
+#![allow(clippy::float_cmp)]
 pub extern crate imgui_sys as sys;
 
 use std::cell;