diff --git a/pyqtgraph/widgets/GradientWidget.py b/pyqtgraph/widgets/GradientWidget.py
index 1723a94b..7cbc032e 100644
--- a/pyqtgraph/widgets/GradientWidget.py
+++ b/pyqtgraph/widgets/GradientWidget.py
@@ -5,7 +5,7 @@ from pyqtgraph.graphicsItems.GradientEditorItem import GradientEditorItem
 import weakref
 import numpy as np
 
-__all__ = ['TickSlider', 'GradientWidget', 'BlackWhiteSlider']
+__all__ = ['GradientWidget']
 
 
 class GradientWidget(GraphicsView):