diff --git a/src/Semantic/IO.hs b/src/Semantic/IO.hs
index d53058eea..639013b17 100644
--- a/src/Semantic/IO.hs
+++ b/src/Semantic/IO.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE OverloadedStrings, TypeSynonymInstances, DeriveAnyClass, DuplicateRecordFields, ScopedTypeVariables, TupleSections #-}
+{-# LANGUAGE DeriveAnyClass, DuplicateRecordFields, ScopedTypeVariables, TupleSections #-}
 module Semantic.IO
 ( readFile
 , readFilePair