diff --git a/src/value.rs b/src/value.rs
index 7d415cb..329cdde 100644
--- a/src/value.rs
+++ b/src/value.rs
@@ -28,7 +28,7 @@ impl<T: Tween> Value<T> {
     }
 }
 
-impl<T: Tween + Default> Default for Value<T> {
+impl<T: Tween> Default for Value<T> {
     fn default() -> Self {
         Self::Fixed(T::default())
     }