diff --git a/spec/guard/listeners/darwin_spec.rb b/spec/guard/listeners/darwin_spec.rb
index 2c31edb..1b679bb 100644
--- a/spec/guard/listeners/darwin_spec.rb
+++ b/spec/guard/listeners/darwin_spec.rb
@@ -21,7 +21,7 @@ describe Guard::Darwin do
       subject.should be_usable
     end
 
-    it_should_behave_like "a listener that reacts to #on_change", 0.4
-    it_should_behave_like "a listener scoped to a specific directory", 0.4
+    it_should_behave_like "a listener that reacts to #on_change"
+    it_should_behave_like "a listener scoped to a specific directory"
   end
 end