diff --git a/gst/gl/CMakeLists.txt b/gst/gl/CMakeLists.txt
index 92a4a0d7d0..239de4f4d4 100644
--- a/gst/gl/CMakeLists.txt
+++ b/gst/gl/CMakeLists.txt
@@ -23,7 +23,6 @@ add_library (gstopengl SHARED
 	gstglupload.c
 	gstgldownload.c
   gstglfilterblur.c
-	gstglfiltersobel.c
 	gstglfiltercube.c
 	gstglfilterlaplacian.c
   gstglfiltersobel.c