--- a/getan/states.py	Thu May 14 20:39:58 2020 +0200
+++ b/getan/states.py	Tue Sep 22 17:30:02 2020 +0200
@@ -26,9 +26,9 @@
     """ Represents a State of Getan
 
     A State can be used to handle user input. The user input handling is done
-    in three phases. First it is possible to filter keys that shouldn't be
-    passed to a widget in input_filter. Afterwards it is possible to redirect
-    a key to a specific widget in keypress. In the third phase it is possible
+    in two phases.
+    First it is possible to redirect a key to a specific widget in keypress.
+    In the second phase it is possible
     to act on user input which isn't handled by a widget yet. The corresponing
     method is handle_input.
 
@@ -45,13 +45,6 @@
         self.config = controller.get_config()
         self.set_focus()
 
-    def input_filter(self, input, raw):
-        """Filters input that should not be passed to widget elements
-
-        By default no input is filtered and input is returned unchanged.
-        """
-        return input
-
     def keypress(self, size, key):
         """Redirects user input to the current view"""
         self.view.keypress(size, key)