diff --git a/specification/app/resource-manager/Microsoft.App/preview/2022-01-01-preview/ContainerApps.json b/specification/app/resource-manager/Microsoft.App/preview/2022-01-01-preview/ContainerApps.json
index 7c9d0b46de0e..b2675adf8612 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2022-01-01-preview/ContainerApps.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2022-01-01-preview/ContainerApps.json
@@ -737,8 +737,7 @@
       "description": "Custom Domain of a Container App",
       "type": "object",
       "required": [
-        "name",
-        "certificateId"
+        "name"
       ],
       "properties": {
         "name": {
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2022-06-01-preview/ContainerApps.json b/specification/app/resource-manager/Microsoft.App/preview/2022-06-01-preview/ContainerApps.json
index 37aa8de2cfde..9b3075157a0e 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2022-06-01-preview/ContainerApps.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2022-06-01-preview/ContainerApps.json
@@ -849,8 +849,7 @@
       "description": "Custom Domain of a Container App",
       "type": "object",
       "required": [
-        "name",
-        "certificateId"
+        "name"
       ],
       "properties": {
         "name": {
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2022-06-01-preview/examples/ContainerApps_GetAuthToken.json b/specification/app/resource-manager/Microsoft.App/preview/2022-06-01-preview/examples/ContainerApps_GetAuthToken.json
index fa97ef8fb0f4..bc78c38ebc5d 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2022-06-01-preview/examples/ContainerApps_GetAuthToken.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2022-06-01-preview/examples/ContainerApps_GetAuthToken.json
@@ -3,7 +3,7 @@
     "subscriptionId": "651f8027-33e8-4ec4-97b4-f6e9f3dc8744",
     "resourceGroupName": "rg",
     "containerAppName": "testcontainerApp0",
-    "api-version": "2022-05-01"
+    "api-version": "2022-06-01-preview"
   },
   "responses": {
     "200": {
diff --git a/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/ContainerApps.json b/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/ContainerApps.json
index f5ba0eae971f..24a2494bd82e 100644
--- a/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/ContainerApps.json
+++ b/specification/app/resource-manager/Microsoft.App/preview/2022-11-01-preview/ContainerApps.json
@@ -912,8 +912,7 @@
       "description": "Custom Domain of a Container App",
       "type": "object",
       "required": [
-        "name",
-        "certificateId"
+        "name"
       ],
       "properties": {
         "name": {
diff --git a/specification/app/resource-manager/Microsoft.App/stable/2022-03-01/ContainerApps.json b/specification/app/resource-manager/Microsoft.App/stable/2022-03-01/ContainerApps.json
index 420a8777c640..ce273310b882 100644
--- a/specification/app/resource-manager/Microsoft.App/stable/2022-03-01/ContainerApps.json
+++ b/specification/app/resource-manager/Microsoft.App/stable/2022-03-01/ContainerApps.json
@@ -730,8 +730,7 @@
       "description": "Custom Domain of a Container App",
       "type": "object",
       "required": [
-        "name",
-        "certificateId"
+        "name"
       ],
       "properties": {
         "name": {
diff --git a/specification/app/resource-manager/Microsoft.App/stable/2022-03-01/examples/ContainerApps_ListCustomHostNameAnalysisErrorResponse.json b/specification/app/resource-manager/Microsoft.App/stable/2022-03-01/examples/ContainerApps_ListCustomHostNameAnalysisErrorResponse.json
index 304bf1a1fa56..21dfa5acbb21 100644
--- a/specification/app/resource-manager/Microsoft.App/stable/2022-03-01/examples/ContainerApps_ListCustomHostNameAnalysisErrorResponse.json
+++ b/specification/app/resource-manager/Microsoft.App/stable/2022-03-01/examples/ContainerApps_ListCustomHostNameAnalysisErrorResponse.json
@@ -4,7 +4,7 @@
     "resourceGroupName": "rg",
     "containerAppName": "testcontainerApp0",
     "customHostname": "my.name.corp",
-    "api-version": "2022-03-03"
+    "api-version": "2022-03-01"
   },
   "responses": {
     "200": {
diff --git a/specification/app/resource-manager/Microsoft.App/stable/2022-10-01/ContainerApps.json b/specification/app/resource-manager/Microsoft.App/stable/2022-10-01/ContainerApps.json
index f00a37794b53..4a5a165f131b 100644
--- a/specification/app/resource-manager/Microsoft.App/stable/2022-10-01/ContainerApps.json
+++ b/specification/app/resource-manager/Microsoft.App/stable/2022-10-01/ContainerApps.json
@@ -876,8 +876,7 @@
       "description": "Custom Domain of a Container App",
       "type": "object",
       "required": [
-        "name",
-        "certificateId"
+        "name"
       ],
       "properties": {
         "name": {