diff --git a/src/lib.rs b/src/lib.rs
index 422131a..8007649 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6,6 +6,8 @@
 
 pub mod client;
 pub mod primitives;
+
+#[cfg(feature = "crypto-wrapper")]
 mod time_utils;
 
 #[cfg(feature = "crypto-wrapper")]