diff --git a/keystore2/src/lib.rs b/keystore2/src/lib.rs
index 11af9df..c04c4b0 100644
--- a/keystore2/src/lib.rs
+++ b/keystore2/src/lib.rs
@@ -47,4 +47,6 @@
 mod db_utils;
 mod gc;
 mod super_key;
+
+#[cfg(feature = "watchdog")]
 mod watchdog;