diff --git a/lib/Thrift/HasFields.hs b/lib/Thrift/HasFields.hs
index e3d21183..72f6c98f 100644
--- a/lib/Thrift/HasFields.hs
+++ b/lib/Thrift/HasFields.hs
@@ -10,7 +10,6 @@
 {-# LANGUAGE FunctionalDependencies #-}
 {-# LANGUAGE KindSignatures #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
-{-# LANGUAGE PolyKinds #-}
 
 module Thrift.HasFields (HasField(..)) where