diff --git a/brat/Brat/Checker/Helpers.hs b/brat/Brat/Checker/Helpers.hs
index bd5b75f1..7263b81f 100644
--- a/brat/Brat/Checker/Helpers.hs
+++ b/brat/Brat/Checker/Helpers.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE AllowAmbiguousTypes, ScopedTypeVariables #-}
+{-# LANGUAGE AllowAmbiguousTypes #-}
 
 module Brat.Checker.Helpers {-(pullPortsRow, pullPortsSig
                             ,simpleCheck