diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2020-03-01/firewallPolicy.json b/specification/network/resource-manager/Microsoft.Network/stable/2020-03-01/firewallPolicy.json
index 856ee28bbed1..b3f020ae08c8 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2020-03-01/firewallPolicy.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2020-03-01/firewallPolicy.json
@@ -614,10 +614,6 @@
         "threatIntelMode": {
           "description": "The operation mode for Threat Intelligence.",
           "$ref": "./azureFirewall.json#/definitions/AzureFirewallThreatIntelMode"
-        },
-        "intrusionSystemMode": {
-          "description": "The operation mode for Intrusion system.",
-          "$ref": "#/definitions/FirewallPolicyIntrusionSystemMode"
         }
       },
       "description": "Firewall Policy definition."
@@ -1058,18 +1054,6 @@
         }
       },
       "description": "Response for ListFirewallPolicyRuleGroups API service call."
-    },
-    "FirewallPolicyIntrusionSystemMode": {
-      "type": "string",
-      "description": "The operation mode for Intrusion system mode.",
-      "enum": [
-        "Enabled",
-        "Disabled"
-      ],
-      "x-ms-enum": {
-        "name": "FirewallPolicyIntrusionSystemMode",
-        "modelAsString": true
-      }
     }
   }
 }
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2020-04-01/firewallPolicy.json b/specification/network/resource-manager/Microsoft.Network/stable/2020-04-01/firewallPolicy.json
index e411a402a296..4eee92967be4 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2020-04-01/firewallPolicy.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2020-04-01/firewallPolicy.json
@@ -566,10 +566,6 @@
           "type": "string",
           "readOnly": true,
           "description": "A unique read-only string that changes whenever the resource is updated."
-        },
-        "identity": {
-          "$ref": "./network.json#/definitions/ManagedServiceIdentity",
-          "description": "The identity of the firewall policy."
         }
       },
       "allOf": [
@@ -622,88 +618,10 @@
         "threatIntelWhitelist": {
           "description": "ThreatIntel Whitelist for Firewall Policy.",
           "$ref": "#/definitions/FirewallPolicyThreatIntelWhitelist"
-        },
-        "intrusionSystemMode": {
-          "description": "The operation mode for Intrusion system.",
-          "$ref": "#/definitions/FirewallPolicyIntrusionSystemMode"
-        },
-        "transportSecurity": {
-          "description": "TLS Configuration definition.",
-          "$ref": "#/definitions/FirewallPolicyTransportSecurity"
         }
       },
       "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."
-    },
     "FirewallPolicyRuleGroup": {
       "properties": {
         "properties": {
@@ -901,13 +819,6 @@
           },
           "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 condition.",
@@ -975,10 +886,6 @@
           "items": {
             "type": "string"
           }
-        },
-        "terminateTLS": {
-          "type": "boolean",
-          "description": "Terminate TLS connections for this rule."
         }
       }
     },
@@ -1152,18 +1059,6 @@
       },
       "description": "Response for ListFirewallPolicyRuleGroups API service call."
     },
-    "FirewallPolicyIntrusionSystemMode": {
-      "type": "string",
-      "description": "The operation mode for Intrusion system mode.",
-      "enum": [
-        "Enabled",
-        "Disabled"
-      ],
-      "x-ms-enum": {
-        "name": "FirewallPolicyIntrusionSystemMode",
-        "modelAsString": true
-      }
-    },
     "FirewallPolicyThreatIntelWhitelist": {
       "description": "ThreatIntel Whitelist for Firewall Policy.",
       "x-ms-discriminator-value": "FirewallPolicyThreatIntelWhitelist",
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2020-05-01/firewallPolicy.json b/specification/network/resource-manager/Microsoft.Network/stable/2020-05-01/firewallPolicy.json
index f15fb1e7a7b2..fca251108fb0 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2020-05-01/firewallPolicy.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2020-05-01/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"
         },
-        "intrusionSystemMode": {
-          "description": "The operation mode for Intrusion system.",
-          "$ref": "#/definitions/FirewallPolicyIntrusionSystemMode"
-        },
-        "transportSecurity": {
-          "description": "TLS Configuration definition.",
-          "$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."
@@ -1166,18 +1073,6 @@
       },
       "description": "Response for ListFirewallPolicyRuleCollectionGroups API service call."
     },
-    "FirewallPolicyIntrusionSystemMode": {
-      "type": "string",
-      "description": "The operation mode for Intrusion system mode.",
-      "enum": [
-        "Enabled",
-        "Disabled"
-      ],
-      "x-ms-enum": {
-        "name": "FirewallPolicyIntrusionSystemMode",
-        "modelAsString": true
-      }
-    },
     "FirewallPolicyThreatIntelWhitelist": {
       "description": "ThreatIntel Whitelist for Firewall Policy.",
       "x-ms-discriminator-value": "FirewallPolicyThreatIntelWhitelist",