diff --git a/lib/core/src/Cardano/Api/Gen.hs b/lib/core/src/Cardano/Api/Gen.hs
index 5bc679e0d70..4e7aaaaa7c4 100644
--- a/lib/core/src/Cardano/Api/Gen.hs
+++ b/lib/core/src/Cardano/Api/Gen.hs
@@ -1,10 +1,3 @@
-{-# LANGUAGE GADTs #-}
-{-# LANGUAGE NamedFieldPuns #-}
-{-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE RankNTypes #-}
-{-# LANGUAGE ScopedTypeVariables #-}
-{-# LANGUAGE TupleSections #-}
-{-# LANGUAGE TypeApplications #-}
 
 module Cardano.Api.Gen
   ( genTxIn
diff --git a/lib/core/test/unit/Cardano/Api/GenSpec.hs b/lib/core/test/unit/Cardano/Api/GenSpec.hs
index a494f4b49fa..b305158a29c 100644
--- a/lib/core/test/unit/Cardano/Api/GenSpec.hs
+++ b/lib/core/test/unit/Cardano/Api/GenSpec.hs
@@ -1,6 +1,4 @@
-{-# LANGUAGE GADTs #-}
 {-# LANGUAGE LambdaCase #-}
-{-# LANGUAGE RankNTypes #-}
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 
 module Cardano.Api.GenSpec (spec) where