diff --git a/WINGs/dragcommon.c b/WINGs/dragcommon.c
index 8cce2eec..db5e5f11 100644
--- a/WINGs/dragcommon.c
+++ b/WINGs/dragcommon.c
@@ -95,6 +95,9 @@ char *WMGetDragOperationItemText(WMDragOperationItem * item)
 
 static int handleNoWindowXError(Display * dpy, XErrorEvent * errEvt)
 {
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) dpy;
+
 	if (errEvt->error_code == BadWindow || errEvt->error_code == BadDrawable) {
 		_WindowExists = False;
 		return Success;
diff --git a/WINGs/selection.c b/WINGs/selection.c
index 200b919a..64d71fb4 100644
--- a/WINGs/selection.c
+++ b/WINGs/selection.c
@@ -102,6 +102,10 @@ static void WMDeleteSelectionCallback(WMView * view, Atom selection, Time timest
 
 static int handleXError(Display * dpy, XErrorEvent * ev)
 {
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) dpy;
+	(void) ev;
+
 	gotXError = True;
 
 	return 1;