diff --git a/core/lib/Cardano/Address/Script.hs b/core/lib/Cardano/Address/Script.hs
index 670511a82..386ea47d3 100644
--- a/core/lib/Cardano/Address/Script.hs
+++ b/core/lib/Cardano/Address/Script.hs
@@ -110,7 +110,6 @@ import qualified Codec.CBOR.Encoding as CBOR
 import qualified Data.Aeson.Types as Json
 import qualified Data.ByteString as BS
 import qualified Data.Aeson.KeyMap as KeyMap
-import qualified Data.HashMap.Strict as HM
 import qualified Data.HashSet as Set
 import qualified Data.List as L
 import qualified Data.Map.Strict as Map