diff --git a/include/os.h b/include/os.h
index 84d4f7b58..a68564954 100644
--- a/include/os.h
+++ b/include/os.h
@@ -91,8 +91,6 @@ extern _X_EXPORT void SetCriticalOutputPending(void);
 extern _X_EXPORT int WriteToClient(ClientPtr /*who */ , int /*count */ ,
                                    const void * /*buf */ );
 
-extern _X_EXPORT void ResetOsBuffers(void);
-
 extern _X_EXPORT void NotifyParentProcess(void);
 
 extern _X_EXPORT void CreateWellKnownSockets(void);
diff --git a/os/client_priv.h b/os/client_priv.h
index 0a9ea08bb..17cdc3133 100644
--- a/os/client_priv.h
+++ b/os/client_priv.h
@@ -48,6 +48,7 @@ int WriteFdToClient(struct _Client *client, int fd, Bool do_close);
 Bool InsertFakeRequest(struct _Client *client, char *data, int count);
 void FlushAllOutput(void);
 void FlushIfCriticalOutputPending(void);
+void ResetOsBuffers(void);
 
 /* exported only for DRI module, but should not be used by external drivers */
 _X_EXPORT void ResetCurrentRequest(struct _Client *client);