diff --git a/src/Ganeti/OpCodes.hs b/src/Ganeti/OpCodes.hs
index ec9a34f861dcfce17994105b0da65138c41fb2c4..cd5466379c533d21a5b7d104ad09c42ac6b8b8b0 100644
--- a/src/Ganeti/OpCodes.hs
+++ b/src/Ganeti/OpCodes.hs
@@ -535,7 +535,6 @@ $(genOpCode "OpCode"
   , ("OpNetworkDisconnect",
      [ pGroupName
      , pNetworkName
-     , pIpConflictsCheck
      ])
   , ("OpNetworkQuery", dOldQuery)
   , ("OpRestrictedCommand",
diff --git a/test/hs/Test/Ganeti/OpCodes.hs b/test/hs/Test/Ganeti/OpCodes.hs
index cf345d19b0a7d2f33be82ebce3261963921d3eeb..cc45f663d0758b04cfcefa55b0424bdc6fd6ba2a 100644
--- a/test/hs/Test/Ganeti/OpCodes.hs
+++ b/test/hs/Test/Ganeti/OpCodes.hs
@@ -333,7 +333,7 @@ instance Arbitrary OpCodes.OpCode where
         OpCodes.OpNetworkConnect <$> genNameNE <*> genNameNE <*>
           arbitrary <*> genNameNE <*> arbitrary
       "OP_NETWORK_DISCONNECT" ->
-        OpCodes.OpNetworkDisconnect <$> genNameNE <*> genNameNE <*> arbitrary
+        OpCodes.OpNetworkDisconnect <$> genNameNE <*> genNameNE
       "OP_NETWORK_QUERY" ->
         OpCodes.OpNetworkQuery <$> genFieldsNE <*> genNamesNE <*> arbitrary
       "OP_RESTRICTED_COMMAND" ->