diff --git a/gst-libs/gst/gl/gstglcolorconvert.c b/gst-libs/gst/gl/gstglcolorconvert.c
index d85883181a..f4e6847bb3 100644
--- a/gst-libs/gst/gl/gstglcolorconvert.c
+++ b/gst-libs/gst/gl/gstglcolorconvert.c
@@ -409,7 +409,6 @@ gst_gl_color_convert_class_init (GstGLColorConvertClass * klass)
 static void
 gst_gl_color_convert_init (GstGLColorConvert * convert)
 {
-  g_mutex_init (&convert->lock);
 }
 
 /**
@@ -448,8 +447,6 @@ gst_gl_color_convert_finalize (GObject * object)
     convert->context = NULL;
   }
 
-  g_mutex_clear (&convert->lock);
-
   G_OBJECT_CLASS (gst_gl_color_convert_parent_class)->finalize (object);
 }
 
@@ -515,9 +512,9 @@ void
 gst_gl_color_convert_set_format (GstGLColorConvert * convert,
     GstVideoInfo * in_info, GstVideoInfo * out_info)
 {
-  g_mutex_lock (&convert->lock);
+  GST_OBJECT_LOCK (convert);
   _gst_gl_color_convert_set_format_unlocked (convert, in_info, out_info);
-  g_mutex_unlock (&convert->lock);
+  GST_OBJECT_UNLOCK (convert);
 }
 
 /**
@@ -537,9 +534,9 @@ gst_gl_color_convert_perform (GstGLColorConvert * convert, GstBuffer * inbuf)
 
   g_return_val_if_fail (convert != NULL, FALSE);
 
-  g_mutex_lock (&convert->lock);
+  GST_OBJECT_LOCK (convert);
   ret = _gst_gl_color_convert_perform_unlocked (convert, inbuf);
-  g_mutex_unlock (&convert->lock);
+  GST_OBJECT_UNLOCK (convert);
 
   return ret;
 }
diff --git a/gst-libs/gst/gl/gstglcolorconvert.h b/gst-libs/gst/gl/gstglcolorconvert.h
index 4b843fcbf5..9b905c77b6 100644
--- a/gst-libs/gst/gl/gstglcolorconvert.h
+++ b/gst-libs/gst/gl/gstglcolorconvert.h
@@ -46,8 +46,6 @@ struct _GstGLColorConvert
   /* <private> */
   GstObject        parent;
 
-  GMutex           lock;
-
   GstGLContext    *context;
 
   /* input data */