diff --git a/cardano-ledger/test/Test/Cardano/Chain/Byron/API.hs b/cardano-ledger/test/Test/Cardano/Chain/Byron/API.hs
index 648e0c46..22c869df 100644
--- a/cardano-ledger/test/Test/Cardano/Chain/Byron/API.hs
+++ b/cardano-ledger/test/Test/Cardano/Chain/Byron/API.hs
@@ -12,7 +12,6 @@ module Test.Cardano.Chain.Byron.API
   where
 
 import Cardano.Prelude
-  -- import Test.Cardano.Prelude
 
 import Cardano.Crypto (ProtocolMagicId)
 import Cardano.Chain.Byron.API