diff --git a/src/futures_signals_ext.rs b/src/futures_signals_ext.rs
index 6be90b3..67f048f 100644
--- a/src/futures_signals_ext.rs
+++ b/src/futures_signals_ext.rs
@@ -729,7 +729,7 @@ pub trait SignalExtMapOption<T, U> {
         Self: Sized,
         F: FnMut(&T) -> Option<U>;
 
-    fn unwrap_or_default<F>(self) -> UnwrapOrDefault<Self, T>
+    fn unwrap_or_default(self) -> UnwrapOrDefault<Self, T>
     where
         Self: Sized,
         T: Default;
@@ -779,7 +779,7 @@ where
         }
     }
 
-    fn unwrap_or_default<F>(self) -> UnwrapOrDefault<Self, T>
+    fn unwrap_or_default(self) -> UnwrapOrDefault<Self, T>
     where
         Self: Sized,
         T: Default,