diff -r c9ace6a881c9 -r 233681f2a00e c_ext/c_ext.py
--- a/c_ext/c_ext.py	Wed May 08 21:37:31 2013 +0200
+++ b/c_ext/c_ext.py	Wed May 08 22:52:55 2013 +0200
@@ -50,7 +50,6 @@
         text += '#include "iec_types_all.h"'
 
         # Adding variables
-        base_types = self.GetCTRoot().GetBaseTypes()
         config = self.GetCTRoot().GetProjectConfigNames()[0]
         text += "/* User variables reference */\n"
         for variable in self.CodeFile.variables.variable: