diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2020-06-01/firewallPolicy.json b/specification/network/resource-manager/Microsoft.Network/stable/2020-06-01/firewallPolicy.json
index d53f891fc889..283b62426541 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2020-06-01/firewallPolicy.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2020-06-01/firewallPolicy.json
@@ -566,10 +566,6 @@
           "type": "string",
           "readOnly": true,
           "description": "A unique read-only string that changes whenever the resource is updated."
-        },
-        "identity": {
-          "$ref": "./network.json#/definitions/ManagedServiceIdentity",
-          "description": "The identity of the firewall policy."
         }
       },
       "allOf": [
@@ -623,14 +619,6 @@
           "description": "ThreatIntel Whitelist for Firewall Policy.",
           "$ref": "#/definitions/FirewallPolicyThreatIntelWhitelist"
         },
-        "intrusionSystem": {
-          "description": "The configuration for Intrusion system.",
-          "$ref": "#/definitions/FirewallPolicyIntrusionSystem"
-        },
-        "transportSecurity": {
-          "description": "TLS Configuration definition.",
-          "$ref": "#/definitions/FirewallPolicyTransportSecurity"
-        },
         "dnsSettings": {
           "description": "DNS Proxy Settings definition.",
           "$ref": "#/definitions/DnsSettings"
@@ -638,76 +626,6 @@
       },
       "description": "Firewall Policy definition."
     },
-    "FirewallPolicyTransportSecurity": {
-      "properties": {
-        "certificateAuthority": {
-          "$ref": "#/definitions/FirewallPolicyCertificateAuthority",
-          "description": "The CA used for intermediate CA generation."
-        },
-        "excludedDomains": {
-          "type": "array",
-          "items": {
-            "type": "string"
-          },
-          "description": "List of domains which are excluded from TLS termination."
-        },
-        "trustedRootCertificates": {
-          "type": "array",
-          "items": {
-            "$ref": "#/definitions/FirewallPolicyTrustedRootCertificate",
-            "description": "A list of certificates which are to be trusted by the firewall."
-          },
-          "description": "Certificates which are to be trusted by the firewall."
-        }
-      },
-      "description": "Configuration needed to perform TLS termination & initiation."
-    },
-    "FirewallPolicyTrustedRootCertificate": {
-      "properties": {
-        "properties": {
-          "x-ms-client-flatten": true,
-          "$ref": "#/definitions/FirewallPolicyTrustedRootCertificatePropertiesFormat",
-          "description": "Properties of the trusted root authorities."
-        },
-        "name": {
-          "type": "string",
-          "description": "Name of the trusted root certificate that is unique within a firewall policy."
-        }
-      },
-      "description": "Trusted Root certificates of a firewall policy."
-    },
-    "FirewallPolicyTrustedRootCertificatePropertiesFormat": {
-      "properties": {
-        "keyVaultSecretId": {
-          "type": "string",
-          "description": "Secret Id of (base-64 encoded unencrypted pfx) the public certificate data stored in KeyVault."
-        }
-      },
-      "description": "Trusted Root certificates properties for tls."
-    },
-    "FirewallPolicyCertificateAuthority": {
-      "properties": {
-        "properties": {
-          "x-ms-client-flatten": true,
-          "$ref": "#/definitions/FirewallPolicyCertificateAuthorityPropertiesFormat",
-          "description": "Properties of the certificate authority."
-        },
-        "name": {
-          "type": "string",
-          "description": "Name of the CA certificate."
-        }
-      },
-      "description": "Trusted Root certificates properties for tls."
-    },
-    "FirewallPolicyCertificateAuthorityPropertiesFormat": {
-      "properties": {
-        "keyVaultSecretId": {
-          "type": "string",
-          "description": "Secret Id of (base-64 encoded unencrypted pfx) 'Secret' or 'Certificate' object stored in KeyVault."
-        }
-      },
-      "description": "Trusted Root certificates properties for tls."
-    },
     "FirewallPolicyRuleCollectionGroup": {
       "properties": {
         "properties": {
@@ -900,13 +818,6 @@
           },
           "description": "Array of Application Protocols."
         },
-        "targetUrls": {
-          "type": "array",
-          "description": "List of Urls for this rule condition.",
-          "items": {
-            "type": "string"
-          }
-        },
         "targetFqdns": {
           "type": "array",
           "description": "List of FQDNs for this rule.",
@@ -927,10 +838,6 @@
           "items": {
             "type": "string"
           }
-        },
-        "terminateTLS": {
-          "type": "boolean",
-          "description": "Terminate TLS connections for this rule."
         }
       },
       "description": "Rule of type application."
@@ -1166,144 +1073,6 @@
       },
       "description": "Response for ListFirewallPolicyRuleCollectionGroups API service call."
     },
-    "FirewallPolicyIntrusionSystem": {
-      "description": "Configuration for Intrusion system mode and rules.",
-      "properties": {
-        "mode": {
-          "type": "string",
-          "description": "The operation mode for Intrusion system mode.",
-          "enum": [
-            "Off",
-            "Alert",
-            "Deny"
-          ],
-          "x-ms-enum": {
-            "name": "FirewallPolicyIntrusionSystemMode",
-            "modelAsString": true
-          }
-        },
-        "configuration": {
-          "description": "The intrusion system configuration properties.",
-          "$ref": "#/definitions/FirewallPolicyIntrusionSystemConfiguration"
-        }
-      }
-    },
-    "FirewallPolicyIntrusionSystemConfiguration": {
-      "description": "The operation for configuring intrusion system.",
-      "properties": {
-        "rules": {
-          "type": "array",
-          "description": "List of specific rules states.",
-          "items": {
-            "$ref": "#/definitions/FirewallPolicyIntrusionSystemRuleSpecifications"
-          }
-        },
-        "ignoredTraffic": {
-          "type": "array",
-          "description": "List of rules for traffic to ignore.",
-          "items": {
-            "$ref": "#/definitions/FirewallPolicyIntrusionSystemIgnoredTrafficSpecifications"
-          }
-        },
-        "allowChildPolicyToIgnoreTraffic": {
-          "type": "boolean",
-          "description": "Boolean indicating whether child policies are allowed to have ignoredTraffic."
-        }
-      }
-    },
-    "FirewallPolicyIntrusionSystemRuleSpecifications": {
-      "properties": {
-        "ruleId": {
-          "type": "string",
-          "description": "Rule id (sid)."
-        },
-        "state": {
-          "$ref": "#/definitions/FirewallPolicyIntrusionSystemStateOptions",
-          "description": "The rule state."
-        }
-      },
-      "description": "Intrusion system rules specification states."
-    },
-    "FirewallPolicyIntrusionSystemStateOptions": {
-      "type": "string",
-      "description": "Possible rule state values.",
-      "enum": [
-        "Off",
-        "Alert",
-        "Deny"
-      ],
-      "x-ms-enum": {
-        "name": "FirewallPolicyIntrusionSystemStateType",
-        "modelAsString": true
-      }
-    },
-    "FirewallPolicyIntrusionSystemIgnoredTrafficSpecifications": {
-      "properties": {
-        "name": {
-          "type": "string",
-          "description": "Name of the ignored traffic rule."
-        },
-        "description": {
-          "type": "string",
-          "description": "Description of the ignored traffic rule."
-        },
-        "protocol": {
-          "type": "string",
-          "$ref": "#/definitions/FirewallPolicyIntrusionSystemIgnoredTrafficProtocol",
-          "description": "The FirewallPolicyIntrusionSystemIgnoredTrafficProtocol."
-        },
-        "sourceAddresses": {
-          "type": "array",
-          "description": "List of source IP addresses or ranges for this rule.",
-          "items": {
-            "type": "string"
-          }
-        },
-        "destinationAddresses": {
-          "type": "array",
-          "description": "List of destination IP addresses or ranges for this rule.",
-          "items": {
-            "type": "string"
-          }
-        },
-        "destinationPorts": {
-          "type": "array",
-          "description": "List of destination ports or ranges.",
-          "items": {
-            "type": "string"
-          }
-        },
-        "sourceIpGroups": {
-          "type": "array",
-          "description": "List of source IpGroups for this rule.",
-          "items": {
-            "type": "string"
-          }
-        },
-        "destinationIpGroups": {
-          "type": "array",
-          "description": "List of destination IpGroups for this rule.",
-          "items": {
-            "type": "string"
-          }
-        }
-      },
-      "description": "Intrusion system ignored traffic specification."
-    },
-    "FirewallPolicyIntrusionSystemIgnoredTrafficProtocol": {
-      "type": "string",
-      "description": "Possible intrusion system ignored traffic protocols.",
-      "enum": [
-        "TCP",
-        "UDP",
-        "ICMP",
-        "ANY"
-      ],
-      "x-ms-enum": {
-        "name": "FirewallPolicyIntrusionSystemProtocol",
-        "modelAsString": true
-      }
-    },
     "FirewallPolicyThreatIntelWhitelist": {
       "description": "ThreatIntel Whitelist for Firewall Policy.",
       "x-ms-discriminator-value": "FirewallPolicyThreatIntelWhitelist",