diff --git a/specification/cdn/resource-manager/Microsoft.Cdn/stable/2021-06-01/cdn.json b/specification/cdn/resource-manager/Microsoft.Cdn/stable/2021-06-01/cdn.json
index 664360af2e1d..47e669bc5aa1 100644
--- a/specification/cdn/resource-manager/Microsoft.Cdn/stable/2021-06-01/cdn.json
+++ b/specification/cdn/resource-manager/Microsoft.Cdn/stable/2021-06-01/cdn.json
@@ -3058,16 +3058,9 @@
     "RemoteAddressMatchConditionParameters": {
       "description": "Defines the parameters for RemoteAddress match conditions",
       "required": [
-        "operator",
-        "@odata.type"
+        "operator"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleRemoteAddressConditionParameters"
-          ]
-        },
         "operator": {
           "description": "Describes operator to be matched",
           "type": "string",
@@ -3104,16 +3097,9 @@
     "RequestMethodMatchConditionParameters": {
       "description": "Defines the parameters for RequestMethod match conditions",
       "required": [
-        "operator",
-        "@odata.type"
+        "operator"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleRequestMethodConditionParameters"
-          ]
-        },
         "operator": {
           "description": "Describes operator to be matched",
           "type": "string",
@@ -3150,16 +3136,9 @@
     "QueryStringMatchConditionParameters": {
       "description": "Defines the parameters for QueryString match conditions",
       "required": [
-        "operator",
-        "@odata.type"
+        "operator"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleQueryStringConditionParameters"
-          ]
-        },
         "operator": {
           "description": "Describes operator to be matched",
           "type": "string",
@@ -3203,16 +3182,9 @@
     "PostArgsMatchConditionParameters": {
       "description": "Defines the parameters for PostArgs match conditions",
       "required": [
-        "operator",
-        "@odata.type"
+        "operator"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRulePostArgsConditionParameters"
-          ]
-        },
         "selector": {
           "description": "Name of PostArg to be matched",
           "type": "string"
@@ -3260,16 +3232,9 @@
     "RequestUriMatchConditionParameters": {
       "description": "Defines the parameters for RequestUri match conditions",
       "required": [
-        "operator",
-        "@odata.type"
+        "operator"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleRequestUriConditionParameters"
-          ]
-        },
         "operator": {
           "description": "Describes operator to be matched",
           "type": "string",
@@ -3313,16 +3278,9 @@
     "RequestHeaderMatchConditionParameters": {
       "description": "Defines the parameters for RequestHeader match conditions",
       "required": [
-        "operator",
-        "@odata.type"
+        "operator"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleRequestHeaderConditionParameters"
-          ]
-        },
         "selector": {
           "description": "Name of Header to be matched",
           "type": "string"
@@ -3370,16 +3328,9 @@
     "RequestBodyMatchConditionParameters": {
       "description": "Defines the parameters for RequestBody match conditions",
       "required": [
-        "operator",
-        "@odata.type"
+        "operator"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleRequestBodyConditionParameters"
-          ]
-        },
         "operator": {
           "description": "Describes operator to be matched",
           "type": "string",
@@ -3423,16 +3374,9 @@
     "RequestSchemeMatchConditionParameters": {
       "description": "Defines the parameters for RequestScheme match conditions ",
       "required": [
-        "operator",
-        "@odata.type"
+        "operator"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleRequestSchemeConditionParameters"
-          ]
-        },
         "operator": {
           "description": "Describes operator to be matched",
           "type": "string",
@@ -3460,16 +3404,9 @@
     "UrlPathMatchConditionParameters": {
       "description": "Defines the parameters for UrlPath match conditions",
       "required": [
-        "operator",
-        "@odata.type"
+        "operator"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleUrlPathMatchConditionParameters"
-          ]
-        },
         "operator": {
           "description": "Describes operator to be matched",
           "type": "string",
@@ -3514,16 +3451,9 @@
     "UrlFileExtensionMatchConditionParameters": {
       "description": "Defines the parameters for UrlFileExtension match conditions",
       "required": [
-        "operator",
-        "@odata.type"
+        "operator"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleUrlFileExtensionMatchConditionParameters"
-          ]
-        },
         "operator": {
           "description": "Describes operator to be matched",
           "type": "string",
@@ -3567,16 +3497,9 @@
     "UrlFileNameMatchConditionParameters": {
       "description": "Defines the parameters for UrlFilename match conditions",
       "required": [
-        "operator",
-        "@odata.type"
+        "operator"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleUrlFilenameConditionParameters"
-          ]
-        },
         "operator": {
           "description": "Describes operator to be matched",
           "type": "string",
@@ -3620,16 +3543,9 @@
     "HttpVersionMatchConditionParameters": {
       "description": "Defines the parameters for HttpVersion match conditions",
       "required": [
-        "operator",
-        "@odata.type"
+        "operator"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleHttpVersionConditionParameters"
-          ]
-        },
         "operator": {
           "description": "Describes operator to be matched",
           "type": "string",
@@ -3657,16 +3573,9 @@
     "CookiesMatchConditionParameters": {
       "description": "Defines the parameters for Cookies match conditions",
       "required": [
-        "operator",
-        "@odata.type"
+        "operator"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleCookiesConditionParameters"
-          ]
-        },
         "selector": {
           "description": "Name of Cookies to be matched",
           "type": "string"
@@ -3714,16 +3623,9 @@
     "IsDeviceMatchConditionParameters": {
       "description": "Defines the parameters for IsDevice match conditions",
       "required": [
-        "operator",
-        "@odata.type"
+        "operator"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleIsDeviceConditionParameters"
-          ]
-        },
         "operator": {
           "description": "Describes operator to be matched",
           "type": "string",
@@ -3808,16 +3710,9 @@
     "UrlRedirectActionParameters": {
       "description": "Defines the parameters for the url redirect action.",
       "required": [
-        "redirectType",
-        "@odata.type"
+        "redirectType"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleUrlRedirectActionParameters"
-          ]
-        },
         "redirectType": {
           "description": "The redirect type the rule will use when redirecting traffic.",
           "type": "string",
@@ -3883,16 +3778,8 @@
     },
     "UrlSigningActionParameters": {
       "description": "Defines the parameters for the Url Signing action.",
-      "required": [
-        "@odata.type"
-      ],
+      "required": [],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleUrlSigningActionParameters"
-          ]
-        },
         "algorithm": {
           "description": "Algorithm to use for URL signing",
           "type": "string",
@@ -3960,16 +3847,9 @@
     "OriginGroupOverrideActionParameters": {
       "description": "Defines the parameters for the origin group override action.",
       "required": [
-        "originGroup",
-        "@odata.type"
+        "originGroup"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleOriginGroupOverrideActionParameters"
-          ]
-        },
         "originGroup": {
           "description": "defines the OriginGroup that would override the DefaultOriginGroup.",
           "type": "object",
@@ -4012,16 +3892,9 @@
       "description": "Defines the parameters for the url rewrite action.",
       "required": [
         "sourcePattern",
-        "destination",
-        "@odata.type"
+        "destination"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleUrlRewriteActionParameters"
-          ]
-        },
         "sourcePattern": {
           "description": "define a request URI pattern that identifies the type of requests that may be rewritten. If value is blank, all strings are matched.",
           "type": "string"
@@ -4076,16 +3949,9 @@
       "description": "Defines the parameters for the request header action.",
       "required": [
         "headerAction",
-        "headerName",
-        "@odata.type"
+        "headerName"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleHeaderActionParameters"
-          ]
-        },
         "headerAction": {
           "description": "Action to perform",
           "type": "string",
@@ -4131,16 +3997,9 @@
       "description": "Defines the parameters for the cache expiration action.",
       "required": [
         "cacheBehavior",
-        "cacheType",
-        "@odata.type"
+        "cacheType"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleCacheExpirationActionParameters"
-          ]
-        },
         "cacheBehavior": {
           "description": "Caching behavior for the requests",
           "type": "string",
@@ -4193,16 +4052,9 @@
     "CacheKeyQueryStringActionParameters": {
       "description": "Defines the parameters for the cache-key query string action.",
       "required": [
-        "queryStringBehavior",
-        "@odata.type"
+        "queryStringBehavior"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleCacheKeyQueryStringBehaviorActionParameters"
-          ]
-        },
         "queryStringBehavior": {
           "description": "Caching behavior for the requests",
           "type": "string",
@@ -4244,16 +4096,8 @@
     },
     "CacheConfigurationActionParameters": {
       "description": "Defines the parameters for the cache configuration action. To disable caching, do not provide a cacheConfiguration object.",
-      "required": [
-        "@odata.type"
-      ],
+      "required": [],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.DeliveryRuleCacheConfigurationActionParameters"
-          ]
-        },
         "enableCache": {
           "description": "A boolean field for enable or disable cache. If enableCache is true, cacheConfiguration cannot be null.",
           "type": "boolean"
@@ -4555,7 +4399,6 @@
     "KeyVaultSigningKeyParameters": {
       "description": "Describes the parameters for using a user's KeyVault for URL Signing Key.",
       "required": [
-        "@odata.type",
         "subscriptionId",
         "resourceGroupName",
         "vaultName",
@@ -4563,12 +4406,6 @@
         "secretVersion"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.KeyVaultSigningKeyParameters"
-          ]
-        },
         "subscriptionId": {
           "description": "Subscription Id of the user's Key Vault containing the secret",
           "type": "string"
@@ -5130,16 +4967,9 @@
     "CdnCertificateSourceParameters": {
       "description": "Defines the parameters for using CDN managed certificate for securing custom domain.",
       "required": [
-        "@odata.type",
         "certificateType"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.CdnCertificateSourceParameters"
-          ]
-        },
         "certificateType": {
           "description": "Type of certificate used",
           "enum": [
@@ -5175,7 +5005,6 @@
     "KeyVaultCertificateSourceParameters": {
       "description": "Describes the parameters for using a user's KeyVault certificate for securing custom domain.",
       "required": [
-        "@odata.type",
         "subscriptionId",
         "resourceGroupName",
         "vaultName",
@@ -5184,12 +5013,6 @@
         "deleteRule"
       ],
       "properties": {
-        "@odata.type": {
-          "type": "string",
-          "enum": [
-            "#Microsoft.Azure.Cdn.Models.KeyVaultCertificateSourceParameters"
-          ]
-        },
         "subscriptionId": {
           "description": "Subscription Id of the user's Key Vault containing the SSL certificate",
           "type": "string"
@@ -5757,4 +5580,4 @@
       "description": "Name of the Resource group within the Azure subscription."
     }
   }
-}
+}
\ No newline at end of file