diff --git a/src/directory/managed_directory.rs b/src/directory/managed_directory.rs
index 969027e8c..5b1698d2c 100644
--- a/src/directory/managed_directory.rs
+++ b/src/directory/managed_directory.rs
@@ -306,7 +306,6 @@ impl Directory for ManagedDirectory {
     }
 
     fn watch(&self, watch_callback: WatchCallback) -> crate::Result<WatchHandle> {
-        // `WatchCallback` is only a function.
         self.directory.watch(watch_callback)
     }
 }