diff --git a/gstreamer/src/caps.rs b/gstreamer/src/caps.rs
index 61ce5b3ef..2b25f53aa 100644
--- a/gstreamer/src/caps.rs
+++ b/gstreamer/src/caps.rs
@@ -441,9 +441,9 @@ macro_rules! define_iter(
             let n_structures = caps.get_size();
 
             $name {
-                caps: caps,
+                caps,
                 idx: 0,
-                n_structures: n_structures,
+                n_structures,
             }
         }
     }