diff --git a/cardano-node/src/Cardano/Tracing/OrphanInstances/HardFork.hs b/cardano-node/src/Cardano/Tracing/OrphanInstances/HardFork.hs
index 2853c64b941..b7b7cb8e8f1 100644
--- a/cardano-node/src/Cardano/Tracing/OrphanInstances/HardFork.hs
+++ b/cardano-node/src/Cardano/Tracing/OrphanInstances/HardFork.hs
@@ -394,8 +394,6 @@ instance ( ToJSON (BlockNodeToClientVersion x)
                                             eraNodeToClientVersions
 
 instance ToJSON HardForkSpecificNodeToClientVersion where
-    toJSON HardForkSpecificNodeToClientVersion1 = String "HardForkSpecificNodeToClientVersion1"
-    toJSON HardForkSpecificNodeToClientVersion2 = String "HardForkSpecificNodeToClientVersion2"
     toJSON HardForkSpecificNodeToClientVersion3 = String "HardForkSpecificNodeToClientVersion3"
 
 instance (ToJSON (BlockNodeToClientVersion blk)) => ToJSON (EraNodeToClientVersion blk) where
diff --git a/cardano-node/src/Cardano/Tracing/OrphanInstances/Shelley.hs b/cardano-node/src/Cardano/Tracing/OrphanInstances/Shelley.hs
index 7bba56ed962..e7c3581fdc0 100644
--- a/cardano-node/src/Cardano/Tracing/OrphanInstances/Shelley.hs
+++ b/cardano-node/src/Cardano/Tracing/OrphanInstances/Shelley.hs
@@ -1332,13 +1332,6 @@ instance ToJSON ShelleyNodeToNodeVersion where
   toJSON ShelleyNodeToNodeVersion1 = String "ShelleyNodeToNodeVersion1"
 
 instance ToJSON ShelleyNodeToClientVersion where
-  toJSON ShelleyNodeToClientVersion1 = String "ShelleyNodeToClientVersion1"
-  toJSON ShelleyNodeToClientVersion2 = String "ShelleyNodeToClientVersion2"
-  toJSON ShelleyNodeToClientVersion3 = String "ShelleyNodeToClientVersion3"
-  toJSON ShelleyNodeToClientVersion4 = String "ShelleyNodeToClientVersion4"
-  toJSON ShelleyNodeToClientVersion5 = String "ShelleyNodeToClientVersion5"
-  toJSON ShelleyNodeToClientVersion6 = String "ShelleyNodeToClientVersion6"
-  toJSON ShelleyNodeToClientVersion7 = String "ShelleyNodeToClientVersion7"
   toJSON ShelleyNodeToClientVersion8 = String "ShelleyNodeToClientVersion8"
   toJSON ShelleyNodeToClientVersion9 = String "ShelleyNodeToClientVersion9"
   toJSON ShelleyNodeToClientVersion10 = String "ShelleyNodeToClientVersion10"
diff --git a/cardano-node/test/Test/Cardano/Tracing/OrphanInstances/HardFork.hs b/cardano-node/test/Test/Cardano/Tracing/OrphanInstances/HardFork.hs
index e3c33740af2..9d2abd03606 100644
--- a/cardano-node/test/Test/Cardano/Tracing/OrphanInstances/HardFork.hs
+++ b/cardano-node/test/Test/Cardano/Tracing/OrphanInstances/HardFork.hs
@@ -40,10 +40,10 @@ tests = H.checkSequential
            , "ntc_HFV1_allDisabled.json")
          , (  ntc_HFV1_ByronV1
            , "ntc_HFV1_ByronV1.json")
-         , (  ntc_HFV1_ByronV1_ShelleyV1
-           , "ntc_HFV1_ByronV1_ShelleyV1.json")
-         , (  ntc_HFV1_ByronV1_ShelleyV6_ConwayV2
-           , "ntc_HFV1_ByronV1_ShelleyV6_ConwayV2.json")
+         , (  ntc_HFV1_ByronV1_ShelleyV11
+           , "ntc_HFV1_ByronV1_ShelleyV11.json")
+         , (  ntc_HFV1_ByronV1_ShelleyV11_ConwayV11
+           , "ntc_HFV1_ByronV1_ShelleyV11_ConwayV11.json")
          ]
   where
     test (actualValue, goldenBaseName) =
@@ -65,7 +65,7 @@ ntc_HFV1_allDisabled ::
     (Consensus.Cardano.CardanoEras StandardCrypto)
 ntc_HFV1_allDisabled =
   Consensus.HardForkNodeToClientEnabled
-    Consensus.HardForkSpecificNodeToClientVersion1
+    Consensus.HardForkSpecificNodeToClientVersion3
     (    Consensus.EraNodeToClientDisabled -- Byron
       :* Consensus.EraNodeToClientDisabled -- Shelley
       :* Consensus.EraNodeToClientDisabled -- Allegra
@@ -81,7 +81,7 @@ ntc_HFV1_ByronV1 ::
     (Consensus.Cardano.CardanoEras StandardCrypto)
 ntc_HFV1_ByronV1 =
   Consensus.HardForkNodeToClientEnabled
-    Consensus.HardForkSpecificNodeToClientVersion1
+    Consensus.HardForkSpecificNodeToClientVersion3
     (    Consensus.EraNodeToClientEnabled Consensus.Cardano.ByronNodeToClientVersion1 -- Byron
       :* Consensus.EraNodeToClientDisabled -- Shelley
       :* Consensus.EraNodeToClientDisabled -- Allegra
@@ -92,14 +92,14 @@ ntc_HFV1_ByronV1 =
       :* Nil
     )
 
-ntc_HFV1_ByronV1_ShelleyV1 ::
+ntc_HFV1_ByronV1_ShelleyV11 ::
   Consensus.HardForkNodeToClientVersion
     (Consensus.Cardano.CardanoEras StandardCrypto)
-ntc_HFV1_ByronV1_ShelleyV1 =
+ntc_HFV1_ByronV1_ShelleyV11 =
   Consensus.HardForkNodeToClientEnabled
-    Consensus.HardForkSpecificNodeToClientVersion1
+    Consensus.HardForkSpecificNodeToClientVersion3
     (    Consensus.EraNodeToClientEnabled Consensus.Cardano.ByronNodeToClientVersion1   -- Byron
-      :* Consensus.EraNodeToClientEnabled Consensus.Cardano.ShelleyNodeToClientVersion1 -- Shelley
+      :* Consensus.EraNodeToClientEnabled Consensus.Cardano.ShelleyNodeToClientVersion11 -- Shelley
       :* Consensus.EraNodeToClientDisabled -- Allegra
       :* Consensus.EraNodeToClientDisabled -- Mary
       :* Consensus.EraNodeToClientDisabled -- Alonzo
@@ -108,19 +108,19 @@ ntc_HFV1_ByronV1_ShelleyV1 =
       :* Nil
     )
 
-ntc_HFV1_ByronV1_ShelleyV6_ConwayV2 ::
+ntc_HFV1_ByronV1_ShelleyV11_ConwayV11 ::
   Consensus.HardForkNodeToClientVersion
     (Consensus.Cardano.CardanoEras StandardCrypto)
-ntc_HFV1_ByronV1_ShelleyV6_ConwayV2 =
+ntc_HFV1_ByronV1_ShelleyV11_ConwayV11 =
   Consensus.HardForkNodeToClientEnabled
-    Consensus.HardForkSpecificNodeToClientVersion1
+    Consensus.HardForkSpecificNodeToClientVersion3
     (    Consensus.EraNodeToClientEnabled Consensus.Cardano.ByronNodeToClientVersion1   -- Byron
-      :* Consensus.EraNodeToClientEnabled Consensus.Cardano.ShelleyNodeToClientVersion6 -- Shelley
+      :* Consensus.EraNodeToClientEnabled Consensus.Cardano.ShelleyNodeToClientVersion11 -- Shelley
       :* Consensus.EraNodeToClientDisabled -- Allegra
       :* Consensus.EraNodeToClientDisabled -- Mary
       :* Consensus.EraNodeToClientDisabled -- Alonzo
       :* Consensus.EraNodeToClientDisabled -- Babbage
-      :* Consensus.EraNodeToClientEnabled Consensus.Cardano.ShelleyNodeToClientVersion2 -- Conway
+      :* Consensus.EraNodeToClientEnabled Consensus.Cardano.ShelleyNodeToClientVersion11 -- Conway
       :* Nil
     )
 
diff --git a/cardano-node/test/Test/Cardano/Tracing/OrphanInstances/data/ntc_HFV1_ByronV1.json b/cardano-node/test/Test/Cardano/Tracing/OrphanInstances/data/ntc_HFV1_ByronV1.json
index 9c06bc3b405..eb74a30a9ac 100644
--- a/cardano-node/test/Test/Cardano/Tracing/OrphanInstances/data/ntc_HFV1_ByronV1.json
+++ b/cardano-node/test/Test/Cardano/Tracing/OrphanInstances/data/ntc_HFV1_ByronV1.json
@@ -1 +1 @@
-{"eraNodeToClientVersions":["ByronNodeToClientVersion1","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled"],"hardForkSpecificNodeToClientVersion":"HardForkSpecificNodeToClientVersion1","tag":"HardForkNodeToClientEnabled"}
\ No newline at end of file
+{"eraNodeToClientVersions":["ByronNodeToClientVersion1","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled"],"hardForkSpecificNodeToClientVersion":"HardForkSpecificNodeToClientVersion3","tag":"HardForkNodeToClientEnabled"}
\ No newline at end of file
diff --git a/cardano-node/test/Test/Cardano/Tracing/OrphanInstances/data/ntc_HFV1_allDisabled.json b/cardano-node/test/Test/Cardano/Tracing/OrphanInstances/data/ntc_HFV1_allDisabled.json
index 6f20223b82b..d4093da0173 100644
--- a/cardano-node/test/Test/Cardano/Tracing/OrphanInstances/data/ntc_HFV1_allDisabled.json
+++ b/cardano-node/test/Test/Cardano/Tracing/OrphanInstances/data/ntc_HFV1_allDisabled.json
@@ -1 +1 @@
-{"eraNodeToClientVersions":["EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled"],"hardForkSpecificNodeToClientVersion":"HardForkSpecificNodeToClientVersion1","tag":"HardForkNodeToClientEnabled"}
\ No newline at end of file
+{"eraNodeToClientVersions":["EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled","EraNodeToClientDisabled"],"hardForkSpecificNodeToClientVersion":"HardForkSpecificNodeToClientVersion3","tag":"HardForkNodeToClientEnabled"}
\ No newline at end of file