diff --git a/randr/randrstr.h b/randr/randrstr.h
index 87eb86d27..012060808 100644
--- a/randr/randrstr.h
+++ b/randr/randrstr.h
@@ -650,12 +650,6 @@ extern _X_EXPORT Bool
 extern _X_EXPORT void
  RROutputDestroy(RROutputPtr output);
 
-/*
- * Initialize output type
- */
-extern _X_EXPORT Bool
- RROutputInit(void);
-
 /*
  * Initialize output type error value
  */
diff --git a/randr/randrstr_priv.h b/randr/randrstr_priv.h
index c42aae2d6..cf8a68bfa 100644
--- a/randr/randrstr_priv.h
+++ b/randr/randrstr_priv.h
@@ -351,4 +351,11 @@ void RROutputSetSubpixelOrder(RROutputPtr output, int order);
  */
 void RRDeliverOutputEvent(ClientPtr pClient, WindowPtr pWin, RROutputPtr output);
 
+/*
+ * Initialize output resource type
+ *
+ * @return TRUE on success
+ */
+Bool RROutputInit(void);
+
 #endif /* _XSERVER_RANDRSTR_PRIV_H_ */