diff --git a/src/plugins/platforms/cocoa/qnsview.mm b/src/plugins/platforms/cocoa/qnsview.mm
index 8b157c58e9..9250eead8c 100644
--- a/src/plugins/platforms/cocoa/qnsview.mm
+++ b/src/plugins/platforms/cocoa/qnsview.mm
@@ -113,6 +113,8 @@ static QTouchDevice *touchDevice = 0;
              name:NSViewGlobalFrameDidChangeNotification
              object:self];
 }
+    delete currentCustomDragTypes;
+
     [super dealloc];
 }