diff --git a/pylot/core/read/data.py b/pylot/core/read/data.py
index 62505a03..5790ac3f 100644
--- a/pylot/core/read/data.py
+++ b/pylot/core/read/data.py
@@ -149,8 +149,6 @@ class Data(object):
     def getEvtData(self):
         return self.evtdata
 
-#TODO: write superclass DataStructure instead of three fully featured individual classes
-
 class GenericDataStructure(object):
     '''
     GenericDataBase type holds all information about the current data-