diff --git a/orangewidget/widget.py b/orangewidget/widget.py
index 3a614683a..b26c486e8 100755
--- a/orangewidget/widget.py
+++ b/orangewidget/widget.py
@@ -314,6 +314,9 @@ def __new__(cls, *args, captionTitle=None, **kwargs):
         WidgetMessagesMixin.__init__(self)
         WidgetSignalsMixin.__init__(self)
 
+        # disable window help button everywhere
+        self.setWindowFlag(Qt.WindowContextHelpButtonHint, False)
+
         # handle deprecated left_side_scrolling
         if hasattr(self, 'left_side_scrolling'):
             warnings.warn(