diff --git a/tests/safety.rs b/tests/safety.rs
index a938a25..952cd87 100644
--- a/tests/safety.rs
+++ b/tests/safety.rs
@@ -10,7 +10,13 @@ fn discriminant() {
 
 	assert_eq!(size_of::<isize>(), size_of_val(&discriminant(&Test::A)));
 
-	assert_eq!(0_isize, unsafe { transmute(discriminant(&Test::A)) });
-	assert_eq!(1_isize, unsafe { transmute(discriminant(&Test::B)) });
-	assert_eq!(2_isize, unsafe { transmute(discriminant(&Test::C)) });
+	assert_eq!(0_isize, unsafe {
+		transmute::<std::mem::Discriminant<Test>, isize>(discriminant(&Test::A))
+	});
+	assert_eq!(1_isize, unsafe {
+		transmute::<std::mem::Discriminant<Test>, isize>(discriminant(&Test::B))
+	});
+	assert_eq!(2_isize, unsafe {
+		transmute::<std::mem::Discriminant<Test>, isize>(discriminant(&Test::C))
+	});
 }
diff --git a/tests/skip/field_trait.rs b/tests/skip/field_trait.rs
index 3d459c8..567b4bf 100644
--- a/tests/skip/field_trait.rs
+++ b/tests/skip/field_trait.rs
@@ -1,3 +1,4 @@
+#![allow(unused)]
 use std::cmp::Ordering;
 
 use derive_where::derive_where;
diff --git a/tests/skip/struct_trait.rs b/tests/skip/struct_trait.rs
index 772e7ed..e9df4a7 100644
--- a/tests/skip/struct_trait.rs
+++ b/tests/skip/struct_trait.rs
@@ -1,3 +1,4 @@
+#![allow(unused)]
 use std::cmp::Ordering;
 
 use derive_where::derive_where;
diff --git a/tests/skip/variant_trait.rs b/tests/skip/variant_trait.rs
index 0f66da0..83ab7c3 100644
--- a/tests/skip/variant_trait.rs
+++ b/tests/skip/variant_trait.rs
@@ -1,3 +1,4 @@
+#![allow(unused)]
 use std::cmp::Ordering;
 
 use derive_where::derive_where;