diff --git a/specification/webpubsub/data-plane/WebPubSub/stable/2021-10-01/webpubsub.json b/specification/webpubsub/data-plane/WebPubSub/stable/2021-10-01/webpubsub.json
index 3de014c69652..c6db43b78888 100644
--- a/specification/webpubsub/data-plane/WebPubSub/stable/2021-10-01/webpubsub.json
+++ b/specification/webpubsub/data-plane/WebPubSub/stable/2021-10-01/webpubsub.json
@@ -712,9 +712,6 @@
           "200": {
             "description": "Success"
           },
-          "404": {
-            "description": "Not Found"
-          },
           "default": {
             "description": "Error response",
             "schema": {
@@ -1050,9 +1047,6 @@
           "200": {
             "description": "Success"
           },
-          "404": {
-            "description": "Not Found"
-          },
           "default": {
             "description": "Error response",
             "schema": {