diff --git a/schemas/2019-08-01/managementGroupDeploymentTemplate.json b/schemas/2019-08-01/managementGroupDeploymentTemplate.json
index 394d09e351..18d36e5641 100644
--- a/schemas/2019-08-01/managementGroupDeploymentTemplate.json
+++ b/schemas/2019-08-01/managementGroupDeploymentTemplate.json
@@ -545,102 +545,6 @@
             {
               "$ref": "https://schema.management.azure.com/schemas/2017-09-01/Microsoft.Authorization.json#/resourceDefinitions/roleDefinitions"
             },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2015-10-01-preview/Microsoft.Authorization.Resources.json#/unknown_resourceDefinitions/policyassignments"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2016-04-01/Microsoft.Authorization.Resources.json#/unknown_resourceDefinitions/policyassignments"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2016-12-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policyDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2016-12-01/Microsoft.Authorization.Resources.json#/unknown_resourceDefinitions/policyAssignments"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2017-06-01-preview/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policySetDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2017-06-01-preview/Microsoft.Authorization.Resources.json#/unknown_resourceDefinitions/policyAssignments"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2018-03-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policyDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2018-03-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policySetDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2018-03-01/Microsoft.Authorization.Resources.json#/unknown_resourceDefinitions/policyAssignments"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2018-05-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policyDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2018-05-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policySetDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2018-05-01/Microsoft.Authorization.Resources.json#/unknown_resourceDefinitions/policyAssignments"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2019-01-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policyDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2019-01-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policySetDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2019-01-01/Microsoft.Authorization.Resources.json#/unknown_resourceDefinitions/policyAssignments"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2019-06-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policyDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2019-06-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policySetDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2019-06-01/Microsoft.Authorization.Resources.json#/unknown_resourceDefinitions/policyAssignments"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2019-09-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policyDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2019-09-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policySetDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2019-09-01/Microsoft.Authorization.Resources.json#/unknown_resourceDefinitions/policyAssignments"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2020-03-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policyDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2020-03-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policySetDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2020-03-01/Microsoft.Authorization.Resources.json#/unknown_resourceDefinitions/policyAssignments"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2020-05-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/privateLinkAssociations"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2020-07-01-preview/Microsoft.Authorization.Resources.json#/unknown_resourceDefinitions/policyExemptions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2020-09-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policyDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2020-09-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policySetDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2020-09-01/Microsoft.Authorization.Resources.json#/unknown_resourceDefinitions/policyAssignments"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2021-06-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policyDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2021-06-01/Microsoft.Authorization.Resources.json#/managementGroup_resourceDefinitions/policySetDefinitions"
-            },
-            {
-              "$ref": "https://schema.management.azure.com/schemas/2021-06-01/Microsoft.Authorization.Resources.json#/unknown_resourceDefinitions/policyAssignments"
-            },
             {
               "$ref": "https://schema.management.azure.com/schemas/2017-11-11-preview/Microsoft.Blueprint.json#/managementGroup_resourceDefinitions/blueprints"
             },