diff --git a/tests/test_buf.rs b/tests/test_buf.rs
index fbad003..3940f92 100644
--- a/tests/test_buf.rs
+++ b/tests/test_buf.rs
@@ -72,6 +72,7 @@ fn test_vec_deque() {
     assert_eq!(b"world piece", &out[..]);
 }
 
+#[allow(unused_allocation)] // This is intentional.
 #[test]
 fn test_deref_buf_forwards() {
     struct Special;
diff --git a/tests/test_buf_mut.rs b/tests/test_buf_mut.rs
index 865cccc..33aa680 100644
--- a/tests/test_buf_mut.rs
+++ b/tests/test_buf_mut.rs
@@ -218,6 +218,7 @@ fn test_maybe_uninit_buf_mut_put_bytes_overflow() {
     do_test_slice_put_bytes_panics(make_maybe_uninit_slice);
 }
 
+#[allow(unused_allocation)] // This is intentional.
 #[test]
 fn test_deref_bufmut_forwards() {
     struct Special;