diff --git a/clutter/clutter-main.c b/clutter/clutter-main.c
index b98f720df..4979834ea 100644
--- a/clutter/clutter-main.c
+++ b/clutter/clutter-main.c
@@ -367,7 +367,7 @@ _clutter_id_to_color (guint         id_,
     }
 }
 
-guint
+static inline guint
 _clutter_pixel_to_id (guchar pixel[4])
 {
   ClutterMainContext *ctx;
diff --git a/clutter/clutter-private.h b/clutter/clutter-private.h
index 9d2d3ee55..e7cb66ae2 100644
--- a/clutter/clutter-private.h
+++ b/clutter/clutter-private.h
@@ -210,8 +210,6 @@ ClutterActor *_clutter_do_pick (ClutterStage    *stage,
 				gint             y,
 				ClutterPickMode  mode);
 
-guint         _clutter_pixel_to_id (guchar pixel[4]);
-
 void          _clutter_id_to_color (guint id,
                                     ClutterColor *col);