diff --git a/include/X11/extensions/randrproto.h b/include/X11/extensions/randrproto.h
index 712c8b5127c63dfeb0d3cc9229a84fbaba9c911c..b0fd7f0c00e9c206766f2f656312d86c5bce6586 100644
--- a/include/X11/extensions/randrproto.h
+++ b/include/X11/extensions/randrproto.h
@@ -1126,6 +1126,7 @@ typedef struct {
 } xRRDeleteMonitorReq;
 #define sz_xRRDeleteMonitorReq	12
 
+#undef RRLease
 #undef RRModeFlags
 #undef RRCrtc
 #undef RRMode