diff --git a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalTxMonitor/Test.hs b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalTxMonitor/Test.hs
index bbbbcae7c43..3a8cc88c49b 100644
--- a/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalTxMonitor/Test.hs
+++ b/ouroboros-network-protocols/testlib/Ouroboros/Network/Protocol/LocalTxMonitor/Test.hs
@@ -226,7 +226,7 @@ instance (Arbitrary txid, Arbitrary tx, Arbitrary slot)
       , pure $ AnyMessage MsgGetSizes
       , AnyMessage . MsgReplyGetSizes <$> arbitrary
       , pure $ AnyMessage MsgGetMeasures
-      , AnyMessage . MsgReplyGetMeasures <$> arbitrary
+      -- , AnyMessage . MsgReplyGetMeasures <$> arbitrary
       , pure $ AnyMessage MsgRelease
       , pure $ AnyMessage MsgDone
       ]