diff --git a/pysollib/kivy/LApp.py b/pysollib/kivy/LApp.py
index 4ef55c74..26ba511d 100644
--- a/pysollib/kivy/LApp.py
+++ b/pysollib/kivy/LApp.py
@@ -38,7 +38,6 @@ from kivy.graphics import Color
 from kivy.graphics import Line
 from kivy.graphics import Rectangle
 from kivy.graphics import Triangle
-from kivy.graphics import Callback
 from kivy.properties import NumericProperty
 from kivy.properties import StringProperty
 from kivy.uix.actionbar import ActionButton