diff --git a/randr/randrstr.h b/randr/randrstr.h
index b92ad2b37..87eb86d27 100644
--- a/randr/randrstr.h
+++ b/randr/randrstr.h
@@ -647,9 +647,6 @@ extern _X_EXPORT Bool
 extern _X_EXPORT Bool
  RROutputSetPhysicalSize(RROutputPtr output, int mmWidth, int mmHeight);
 
-extern _X_EXPORT void
- RRDeliverOutputEvent(ClientPtr client, WindowPtr pWin, RROutputPtr output);
-
 extern _X_EXPORT void
  RROutputDestroy(RROutputPtr output);
 
diff --git a/randr/randrstr_priv.h b/randr/randrstr_priv.h
index 16efc9614..c42aae2d6 100644
--- a/randr/randrstr_priv.h
+++ b/randr/randrstr_priv.h
@@ -342,4 +342,13 @@ int RROutputDeleteUserMode(RROutputPtr output, RRModePtr mode);
  */
 void RROutputSetSubpixelOrder(RROutputPtr output, int order);
 
+/*
+ * Deliver RROutputChangeNotify event to client
+ *
+ * @param pClient the client to send notify even to
+ * @param pWin    the window who's screen is acted on
+ * @param output  the output who's changes are delivered
+ */
+void RRDeliverOutputEvent(ClientPtr pClient, WindowPtr pWin, RROutputPtr output);
+
 #endif /* _XSERVER_RANDRSTR_PRIV_H_ */