diff --git a/src/backend/avx2/scalar_mul/mod.rs b/src/backend/avx2/scalar_mul/mod.rs
index 8b1e84e..c4c944b 100644
--- a/src/backend/avx2/scalar_mul/mod.rs
+++ b/src/backend/avx2/scalar_mul/mod.rs
@@ -13,6 +13,8 @@ pub mod variable_base;
 #[cfg(feature="precomputed_tables")]
 pub mod vartime_double_base;
 
+#[cfg(any(feature = "alloc", feature = "std"))]
 pub mod straus;
 
+#[cfg(any(feature = "alloc", feature = "std"))]
 pub mod vartime_straus;
diff --git a/src/scalar_mul/mod.rs b/src/scalar_mul/mod.rs
index 7b3cdff..f172788 100644
--- a/src/scalar_mul/mod.rs
+++ b/src/scalar_mul/mod.rs
@@ -15,6 +15,8 @@ pub mod variable_base;
 #[cfg(feature="precomputed_tables")]
 pub mod vartime_double_base;
 
+#[cfg(any(feature = "alloc", feature = "std"))]
 pub mod straus;
 
+#[cfg(any(feature = "alloc", feature = "std"))]
 pub mod vartime_straus;