diff --git a/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/SecurityInsights.json b/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/SecurityInsights.json
index fe2caa2ecbc3..3b4721921be8 100644
--- a/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/SecurityInsights.json
+++ b/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/SecurityInsights.json
@@ -1819,63 +1819,6 @@
         }
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{operationalInsightsResourceProvider}/workspaces/{workspaceName}/providers/Microsoft.SecurityInsights/checkDataConnectorRequirements": {
-      "post": {
-        "x-ms-examples": {
-          "Check requirements for TI.": {
-            "$ref": "./examples/dataConnectors/CheckRequirementsThreatIntelligence.json"
-          },
-          "Check requirements for AAD.": {
-            "$ref": "./examples/dataConnectors/CheckRequirementsAzureActiveDirectory.json"
-          },
-          "Check requirements for ASC.": {
-            "$ref": "./examples/dataConnectors/CheckRequirementsAzureSecurityCenter.json"
-          },
-          "Check requirements for Mcas.": {
-            "$ref": "./examples/dataConnectors/CheckRequirementsMicrosoftCloudAppSecurity.json"
-          }
-        },
-        "tags": [
-          "Check Data Connector Requirements"
-        ],
-        "description": "Get requirements state for a data connector type.",
-        "operationId": "DataConnectorRequirements_list",
-        "parameters": [
-          {
-            "$ref": "#/parameters/ApiVersion"
-          },
-          {
-            "$ref": "#/parameters/SubscriptionId"
-          },
-          {
-            "$ref": "#/parameters/ResourceGroupName"
-          },
-          {
-            "$ref": "#/parameters/WorkspaceName"
-          },
-          {
-            "$ref": "#/parameters/OperationalInsightsResourceProvider"
-          },
-          {
-            "$ref": "#/parameters/DataConnectorsCheckRequirements"
-          }
-        ],
-        "responses": {
-          "200": {
-            "description": "OK",
-            "schema": {
-              "$ref": "#/definitions/DataConnectorRequirementsState"
-            }
-          },
-          "default": {
-            "description": "Error response describing why the operation failed.",
-            "schema": {
-              "$ref": "#/definitions/CloudError"
-            }
-          }
-        }
-      }
-    },
     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{operationalInsightsResourceProvider}/workspaces/{workspaceName}/providers/Microsoft.SecurityInsights/entities": {
       "get": {
         "x-ms-examples": {
@@ -2482,18 +2425,6 @@
       "description": "AAD (Azure Active Directory) data connector properties.",
       "type": "object"
     },
-    "AADCheckRequirements": {
-      "allOf": [
-        {
-          "$ref": "#/definitions/DataConnectorsCheckRequirements"
-        },
-        {
-          "$ref": "#/definitions/DataConnectorTenantId"
-        }
-      ],
-      "description": "AAD (Azure Active Directory) requirements check properties.",
-      "type": "object"
-    },
     "AATPDataConnector": {
       "allOf": [
         {
@@ -2523,18 +2454,6 @@
       "description": "AATP (Azure Advanced Threat Protection) data connector properties.",
       "type": "object"
     },
-    "AATPCheckRequirements": {
-      "allOf": [
-        {
-          "$ref": "#/definitions/DataConnectorsCheckRequirements"
-        },
-        {
-          "$ref": "#/definitions/DataConnectorTenantId"
-        }
-      ],
-      "description": "AATP (Azure Advanced Threat Protection) requirements check properties.",
-      "type": "object"
-    },
     "ASCDataConnector": {
       "allOf": [
         {
@@ -2567,21 +2486,6 @@
       },
       "type": "object"
     },
-    "ASCCheckRequirements": {
-      "description": "ASC (Azure Security Center) requirements check properties.",
-      "allOf": [
-        {
-          "$ref": "#/definitions/DataConnectorsCheckRequirements"
-        }
-      ],
-      "properties": {
-        "subscriptionId": {
-          "description": "The subscription id to connect to, and get the data from.",
-          "type": "string"
-        }
-      },
-      "type": "object"
-    },
     "AccountEntity": {
       "allOf": [
         {
@@ -3062,15 +2966,6 @@
       },
       "type": "object"
     },
-    "AwsCloudTrailCheckRequirements": {
-      "allOf": [
-        {
-          "$ref": "#/definitions/DataConnectorsCheckRequirements"
-        }
-      ],
-      "description": "Amazon Web Services CloudTrail requirements check properties.",
-      "type": "object"
-    },
     "AzureResourceEntity": {
       "allOf": [
         {
@@ -3897,78 +3792,6 @@
       "discriminator": "kind",
       "type": "object"
     },
-    "DataConnectorsCheckRequirements": {
-      "allOf": [
-        {
-          "$ref": "#/definitions/DataConnectorKind"
-        }
-      ],
-      "description": "Data connector requirements properties."
-    },
-    "DataConnectorAuthorizationState": {
-      "description": "Describes the state of user's authorization for a connector kind.",
-      "enum": [
-        "Valid",
-        "Invalid"
-      ],
-      "type": "string",
-      "x-ms-enum": {
-        "modelAsString": true,
-        "name": "DataConnectorAuthorizationState",
-        "values": [
-          {
-            "value": "Valid"
-          },
-          {
-            "value": "Invalid"
-          }
-        ]
-      }
-    },
-    "DataConnectorLicenseState": {
-      "description": "Describes the state of user's license for a connector kind.",
-      "enum": [
-        "Valid",
-        "Unknown",
-        "SubscriptionStandardTierLicenseRequired",
-        "AADP1OrP2LicenseRequired",
-        "MicrosoftCloudAppSecurityLicenseRequired",
-        "AzureAdvancedThreatProtectionLicenseRequired",
-        "AzureInformationProtectionLicenseRequired",
-        "MicrosoftDefenderAdvancedThreatProtectionEnableRequired"
-      ],
-      "type": "string",
-      "x-ms-enum": {
-        "modelAsString": true,
-        "name": "DataConnectorLicenseState",
-        "values": [
-          {
-            "value": "Valid"
-          },
-          {
-            "value": "Unknown"
-          },
-          {
-            "value": "SubscriptionStandardTierLicenseRequired"
-          },
-          {
-            "value": "AADP1OrP2LicenseRequired"
-          },
-          {
-            "value": "MicrosoftCloudAppSecurityLicenseRequired"
-          },
-          {
-            "value": "AzureAdvancedThreatProtectionLicenseRequired"
-          },
-          {
-            "value": "AzureInformationProtectionLicenseRequired"
-          },
-          {
-            "value": "MicrosoftDefenderAdvancedThreatProtectionEnableRequired"
-          }
-        ]
-      }
-    },
     "DataConnectorDataTypeCommon": {
       "description": "Common field for data type in data connectors.",
       "properties": {
@@ -4082,23 +3905,6 @@
       },
       "type": "object"
     },
-    "DataConnectorRequirementsState": {
-      "description": "Data connector requirements status.",
-      "properties": {
-        "authorizationState": {
-          "description": "The state of the user's authorization for this connector.",
-          "$ref": "#/definitions/DataConnectorAuthorizationState"
-        },
-        "licenseState": {
-          "description": "A list indicating the user's license state for this connector.",
-          "items": {
-            "$ref": "#/definitions/DataConnectorLicenseState"
-          },
-          "type": "array"
-        }
-      },
-      "type": "object"
-    },
     "DataConnectorTenantId": {
       "description": "Properties data connector on tenant level.",
       "properties": {
@@ -5042,18 +4848,6 @@
       },
       "type": "object"
     },
-    "MCASCheckRequirements": {
-      "allOf": [
-        {
-          "$ref": "#/definitions/DataConnectorsCheckRequirements"
-        },
-        {
-          "$ref": "#/definitions/DataConnectorTenantId"
-        }
-      ],
-      "description": "MCAS (Microsoft Cloud App Security) requirements check properties.",
-      "type": "object"
-    },
     "MDATPDataConnector": {
       "allOf": [
         {
@@ -5083,18 +4877,6 @@
       "description": "MDATP (Microsoft Defender Advanced Threat Protection) data connector properties.",
       "type": "object"
     },
-    "MDATPCheckRequirements": {
-      "allOf": [
-        {
-          "$ref": "#/definitions/DataConnectorsCheckRequirements"
-        },
-        {
-          "$ref": "#/definitions/DataConnectorTenantId"
-        }
-      ],
-      "description": "MDATP (Microsoft Defender Advanced Threat Protection) requirements check properties.",
-      "type": "object"
-    },
     "MalwareEntity": {
       "allOf": [
         {
@@ -5389,15 +5171,6 @@
       },
       "type": "object"
     },
-    "OfficeDataConnectorRequirementsCheck": {
-      "allOf": [
-        {
-          "$ref": "#/definitions/DataConnectorTenantId"
-        }
-      ],
-      "description": "Office data connector properties.",
-      "type": "object"
-    },
     "Operation": {
       "description": "Operation provided by provider",
       "properties": {
@@ -6357,18 +6130,6 @@
       },
       "type": "object"
     },
-    "TICheckRequirements": {
-      "allOf": [
-        {
-          "$ref": "#/definitions/DataConnectorsCheckRequirements"
-        },
-        {
-          "$ref": "#/definitions/DataConnectorTenantId"
-        }
-      ],
-      "description": "TI (Threat Intelligence) requirements check properties.",
-      "type": "object"
-    },
     "ThreatIntelligence": {
       "description": "ThreatIntelligence property bag.",
       "properties": {
@@ -6698,16 +6459,6 @@
       "type": "string",
       "x-ms-parameter-location": "method"
     },
-    "DataConnectorsCheckRequirements": {
-      "description": "The parameters for requirements check message",
-      "in": "body",
-      "name": "DataConnectorsCheckRequirements",
-      "required": true,
-      "schema": {
-        "$ref": "#/definitions/DataConnectorsCheckRequirements"
-      },
-      "x-ms-parameter-location": "method"
-    },
     "EntityExpandRequestBody": {
       "description": "The parameters required to execute an expand operation on the given entity.",
       "in": "body",
diff --git a/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/examples/dataConnectors/CheckRequirementsAzureActiveDirectory.json b/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/examples/dataConnectors/CheckRequirementsAzureActiveDirectory.json
deleted file mode 100644
index 7392a8af7f81..000000000000
--- a/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/examples/dataConnectors/CheckRequirementsAzureActiveDirectory.json
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-  "parameters": {
-    "api-version": "2019-01-01-preview",
-    "subscriptionId": "d0cfe6b2-9ac0-4464-9919-dccaee2e48c0",
-    "resourceGroupName": "myRg",
-    "workspaceName": "myWorkspace",
-    "operationalInsightsResourceProvider": "Microsoft.OperationalIinsights",
-    "DataConnectorsCheckRequirements": {
-      "kind": "AzureActiveDirectory",
-      "properties": {
-        "tenantId": "2070ecc9-b4d5-4ae4-adaa-936fa1954fa8"
-      }
-    }
-  },
-  "responses": {
-    "200": {
-      "body": {
-        "authorizationState": "Valid",
-        "licenseState": [
-          "Valid"
-        ]
-      }
-    }
-  }
-}
diff --git a/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/examples/dataConnectors/CheckRequirementsAzureSecurityCenter.json b/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/examples/dataConnectors/CheckRequirementsAzureSecurityCenter.json
deleted file mode 100644
index 4646d013557b..000000000000
--- a/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/examples/dataConnectors/CheckRequirementsAzureSecurityCenter.json
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-  "parameters": {
-    "api-version": "2019-01-01-preview",
-    "subscriptionId": "d0cfe6b2-9ac0-4464-9919-dccaee2e48c0",
-    "resourceGroupName": "myRg",
-    "workspaceName": "myWorkspace",
-    "operationalInsightsResourceProvider": "Microsoft.OperationalIinsights",
-    "DataConnectorsCheckRequirements": {
-      "kind": "AzureSecurityCenter",
-      "properties": {
-        "subscriptionId": "c0688291-89d7-4bed-87a2-a7b1bff43f4c"
-      }
-    }
-  },
-  "responses": {
-    "200": {
-      "body": {
-        "authorizationState": "Valid",
-        "licenseState": [
-          "Valid"
-        ]
-      }
-    }
-  }
-}
diff --git a/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/examples/dataConnectors/CheckRequirementsMicrosoftCloudAppSecurity.json b/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/examples/dataConnectors/CheckRequirementsMicrosoftCloudAppSecurity.json
deleted file mode 100644
index 4d341d401421..000000000000
--- a/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/examples/dataConnectors/CheckRequirementsMicrosoftCloudAppSecurity.json
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-  "parameters": {
-    "api-version": "2019-01-01-preview",
-    "subscriptionId": "d0cfe6b2-9ac0-4464-9919-dccaee2e48c0",
-    "resourceGroupName": "myRg",
-    "workspaceName": "myWorkspace",
-    "operationalInsightsResourceProvider": "Microsoft.OperationalIinsights",
-    "DataConnectorsCheckRequirements": {
-      "kind": "MicrosoftCloudAppSecurity",
-      "properties": {
-        "tenantId": "2070ecc9-b4d5-4ae4-adaa-936fa1954fa8"
-      }
-    }
-  },
-  "responses": {
-    "200": {
-      "body": {
-        "authorizationState": "Valid",
-        "licenseState": [
-          "Valid"
-        ]
-      }
-    }
-  }
-}
diff --git a/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/examples/dataConnectors/CheckRequirementsThreatIntelligence.json b/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/examples/dataConnectors/CheckRequirementsThreatIntelligence.json
deleted file mode 100644
index 88df7ee55982..000000000000
--- a/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2019-01-01-preview/examples/dataConnectors/CheckRequirementsThreatIntelligence.json
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-  "parameters": {
-    "api-version": "2019-01-01-preview",
-    "subscriptionId": "d0cfe6b2-9ac0-4464-9919-dccaee2e48c0",
-    "resourceGroupName": "myRg",
-    "workspaceName": "myWorkspace",
-    "operationalInsightsResourceProvider": "Microsoft.OperationalIinsights",
-    "DataConnectorsCheckRequirements": {
-      "kind": "ThreatIntelligence",
-      "properties": {
-        "tenantId": "2070ecc9-b4d5-4ae4-adaa-936fa1954fa8"
-      }
-    }
-  },
-  "responses": {
-    "200": {
-      "body": {
-        "authorizationState": "Valid",
-        "licenseState": [
-          "Valid"
-        ]
-      }
-    }
-  }
-}