diff --git a/test/transactions/abort.json b/test/transactions/abort.json
index 084429b7a..87e64176f 100644
--- a/test/transactions/abort.json
+++ b/test/transactions/abort.json
@@ -441,7 +441,6 @@
             }
           },
           "result": {
-            "errorCodeName": "DuplicateKey",
             "errorLabelsOmit": [
               "TransientTransactionError",
               "UnknownTransactionCommitResult"
diff --git a/test/transactions/error-labels.json b/test/transactions/error-labels.json
index 27ac6c405..52f7d0719 100644
--- a/test/transactions/error-labels.json
+++ b/test/transactions/error-labels.json
@@ -25,7 +25,6 @@
             ]
           },
           "result": {
-            "errorCodeName": "DuplicateKey",
             "errorLabelsOmit": [
               "TransientTransactionError",
               "UnknownTransactionCommitResult"