diff --git a/tests/core/mod.rs b/tests/core/mod.rs
index 3c968a5d..acdcd236 100644
--- a/tests/core/mod.rs
+++ b/tests/core/mod.rs
@@ -7,9 +7,9 @@ mod matrix;
 mod matrix_slice;
 #[cfg(feature = "mint")]
 mod mint;
-mod serde;
 #[cfg(feature = "rkyv-serialize-no-std")]
 mod rkyv;
+mod serde;
 
 #[cfg(feature = "compare")]
 mod matrixcompare;