diff --git a/specification/keyvault/Security.KeyVault.Administration/client.tsp b/specification/keyvault/Security.KeyVault.Administration/client.tsp
index 18dfe04c9f0e..6661777dc72a 100644
--- a/specification/keyvault/Security.KeyVault.Administration/client.tsp
+++ b/specification/keyvault/Security.KeyVault.Administration/client.tsp
@@ -16,120 +16,6 @@ namespace ClientCustomizations;
 @@clientName(KeyVault.SettingTypeEnum, "KeyVaultSettingType", "java");
 
 //C# customizations
-@@clientName(KeyVault.Setting, "KeyVaultSetting", "csharp");
-@@clientName(KeyVault.Setting.value, "Content", "csharp");
 @@clientName(KeyVault.Setting.type, "SettingType", "csharp");
-@@clientName(KeyVault.SettingTypeEnum, "KeyVaultSettingType", "csharp");
-@@clientName(KeyVault.Permission, "KeyVaultPermission", "csharp");
-@@clientName(KeyVault.RoleScope, "KeyVaultRoleScope", "csharp");
-@@clientName(KeyVault.RoleType, "KeyVaultRoleType", "csharp");
-@@clientName(KeyVault.RoleAssignment, "KeyVaultRoleAssignment", "csharp");
-@@clientName(KeyVault.FullBackupOperation,
-  "FullBackupDetailsInternal",
-  "csharp"
-);
-@@clientName(KeyVault.SettingsListResult, "GetSettingsResult", "csharp");
-@@clientName(KeyVault.RoleAssignmentPropertiesWithScope,
-  "KeyVaultRoleAssignmentProperties",
-  "csharp"
-);
-@@clientName(KeyVault.RoleDefinitionType,
-  "KeyVaultRoleDefinitionType",
-  "csharp"
-);
-@@clientName(KeyVault.Permission, "KeyVaultPermission", "csharp");
-@@clientName(Error, "KeyVaultServiceError", "csharp");
-@@clientName(KeyVault.DataAction, "KeyVaultDataAction", "csharp");
-@@clientName(KeyVault.RestoreOperation, "RestoreDetailsInternal", "csharp");
-
-@@access(KeyVault.RoleAssignmentCreateParameters, Access.internal, "csharp");
-@@access(KeyVault.RoleDefinitionCreateParameters, Access.internal, "csharp");
-@@access(KeyVault.SASTokenParameter, Access.internal, "csharp");
-@@access(KeyVault.SelectiveKeyRestoreOperationParameters,
-  Access.internal,
-  "csharp"
-);
-@@access(KeyVault.RoleDefinitionProperties, Access.internal, "csharp");
-
-@@clientName(KeyVault.FullBackupOperation.azureStorageBlobContainerUri,
-  "folderUri",
-  "javascript"
-);
-
-@client(
-  {
-    name: "BackupRestoreRestClient",
-    service: KeyVault,
-  },
-  "csharp"
-)
-interface BackupRestoreRestClient {
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  fullBackup is KeyVault.fullBackup;
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  #suppress "@azure-tools/typespec-azure-core/use-standard-names" "Operation name has already shipped"
-  fullBackupStatus is KeyVault.fullBackupStatus;
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  preFullBackup is KeyVault.preFullBackup;
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  #suppress "@azure-tools/typespec-azure-core/use-standard-names" "Operation name has already shipped"
-  restoreStatus is KeyVault.restoreStatus;
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  preFullRestoreOperation is KeyVault.preFullRestoreOperation;
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  fullRestoreOperation is KeyVault.fullRestoreOperation;
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  selectiveKeyRestoreOperation is KeyVault.selectiveKeyRestoreOperation;
-}
-
-@client(
-  {
-    name: "RoleAssignmentsRestClient",
-    service: KeyVault,
-  },
-  "csharp"
-)
-interface RoleAssignmentsRestClient {
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  delete is KeyVault.RoleAssignments.delete;
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  create is KeyVault.RoleAssignments.create;
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  get is KeyVault.RoleAssignments.get;
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  listForScope is KeyVault.RoleAssignments.listForScope;
-}
-
-@client(
-  {
-    name: "RoleDefinitionsRestClient",
-    service: KeyVault,
-  },
-  "csharp"
-)
-interface RoleDefinitionsRestClient {
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  delete is KeyVault.RoleDefinitions.delete;
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  createOrUpdate is KeyVault.RoleDefinitions.createOrUpdate;
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  get is KeyVault.RoleDefinitions.get;
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  list is KeyVault.RoleDefinitions.list;
-}
-
-@client(
-  {
-    name: "SettingsRestClient",
-    service: KeyVault,
-  },
-  "csharp"
-)
-interface SettingsRestClient {
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  updateSetting is KeyVault.updateSetting;
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  getSetting is KeyVault.getSetting;
-  #suppress "@azure-tools/typespec-azure-core/use-standard-operations" "Doesn't fit standard ops"
-  getSettings is KeyVault.getSettings;
-}
+@@clientName(KeyVault.Setting.value, "Content", "csharp");
+@@access(KeyVault, Access.internal, "csharp");
diff --git a/specification/keyvault/Security.KeyVault.Administration/tspconfig.yaml b/specification/keyvault/Security.KeyVault.Administration/tspconfig.yaml
index 8cb89bd8fdec..9aee7ef0521c 100644
--- a/specification/keyvault/Security.KeyVault.Administration/tspconfig.yaml
+++ b/specification/keyvault/Security.KeyVault.Administration/tspconfig.yaml
@@ -47,6 +47,7 @@ options:
     namespace: "Azure.Security.KeyVault.Administration"
     "output-path": "./src/Generated"
     flavor: azure
+    use-model-reader-writer: false
   "@azure-tools/typespec-ts":
     package-dir: "keyvault-admin"
     generateMetadata: true