diff --git a/gst-plugin/src/base_src.rs b/gst-plugin/src/base_src.rs
index 03f7cf88..60bba88b 100644
--- a/gst-plugin/src/base_src.rs
+++ b/gst-plugin/src/base_src.rs
@@ -45,10 +45,10 @@ pub trait BaseSrcImpl<T: BaseSrc>
 
     fn fill(
         &self,
-        element: &T,
-        offset: u64,
-        length: u32,
-        buffer: &mut gst::BufferRef,
+        _element: &T,
+        _offset: u64,
+        _length: u32,
+        _buffer: &mut gst::BufferRef,
     ) -> gst::FlowReturn {
         unimplemented!()
     }