diff --git a/cardano-api/src/Cardano/Api/Eras.hs b/cardano-api/src/Cardano/Api/Eras.hs
index 4aed5b8e631..29c44f4d0d9 100644
--- a/cardano-api/src/Cardano/Api/Eras.hs
+++ b/cardano-api/src/Cardano/Api/Eras.hs
@@ -49,7 +49,6 @@ module Cardano.Api.Eras
 import           Prelude
 
 import           Cardano.Api.HasTypeProxy
-import           Cardano.Api.IPC.Version
 
 import           Control.DeepSeq
 import           Data.Aeson (FromJSON (..), ToJSON, toJSON, withText)
@@ -58,7 +57,6 @@ import           Data.Type.Equality (TestEquality (..), (:~:) (Refl))
 
 import           Ouroboros.Consensus.Shelley.Eras as Consensus (StandardAllegra, StandardAlonzo,
                    StandardBabbage, StandardMary, StandardShelley)
-import           Ouroboros.Network.NodeToClient.Version (NodeToClientVersion (..))
 
 -- | A type used as a tag to distinguish the Byron era.
 data ByronEra
@@ -216,9 +214,6 @@ data AnyCardanoEra where
                    => CardanoEra era    -- and explicit value.
                    -> AnyCardanoEra
 
-instance NodeToClientVersionOf AnyCardanoEra where
-  nodeToClientVersionOf (AnyCardanoEra _) = NodeToClientV_9
-
 deriving instance Show AnyCardanoEra
 
 instance Eq AnyCardanoEra where