diff --git a/clutter/clutter/clutter-stage-private.h b/clutter/clutter/clutter-stage-private.h
index a5d1dddbd..da38000bd 100644
--- a/clutter/clutter/clutter-stage-private.h
+++ b/clutter/clutter/clutter-stage-private.h
@@ -107,13 +107,6 @@ void clutter_stage_set_actor_needs_immediate_relayout (ClutterStage *stage);
 void clutter_stage_remove_device_entry (ClutterStage         *self,
                                         ClutterInputDevice   *device,
                                         ClutterEventSequence *sequence);
-ClutterActor * clutter_stage_pick_and_update_device (ClutterStage             *stage,
-                                                     ClutterInputDevice       *device,
-                                                     ClutterEventSequence     *sequence,
-                                                     ClutterInputDevice       *source_device,
-                                                     ClutterDeviceUpdateFlags  flags,
-                                                     graphene_point_t          point,
-                                                     uint32_t                  time_ms);
 
 void clutter_stage_unlink_grab (ClutterStage *self,
                                 ClutterGrab  *grab);
diff --git a/clutter/clutter/clutter-stage.c b/clutter/clutter/clutter-stage.c
index 31344f962..719d76b4a 100644
--- a/clutter/clutter/clutter-stage.c
+++ b/clutter/clutter/clutter-stage.c
@@ -182,6 +182,14 @@ static void clutter_stage_set_viewport (ClutterStage *stage,
                                         float         width,
                                         float         height);
 
+static ClutterActor * clutter_stage_pick_and_update_device (ClutterStage             *stage,
+                                                            ClutterInputDevice       *device,
+                                                            ClutterEventSequence     *sequence,
+                                                            ClutterInputDevice       *source_device,
+                                                            ClutterDeviceUpdateFlags  flags,
+                                                            graphene_point_t          point,
+                                                            uint32_t                  time_ms);
+
 G_DEFINE_TYPE_WITH_PRIVATE (ClutterStage, clutter_stage, CLUTTER_TYPE_ACTOR)
 
 static void
@@ -3508,7 +3516,7 @@ clutter_stage_check_in_clear_area (ClutterStage         *stage,
                                     point.x, point.y);
 }
 
-ClutterActor *
+static ClutterActor *
 clutter_stage_pick_and_update_device (ClutterStage             *stage,
                                       ClutterInputDevice       *device,
                                       ClutterEventSequence     *sequence,