diff --git a/clients/client-cost-optimization-hub/src/commands/GetRecommendationCommand.ts b/clients/client-cost-optimization-hub/src/commands/GetRecommendationCommand.ts
index 60ab06373d5f..536b448eb2d5 100644
--- a/clients/client-cost-optimization-hub/src/commands/GetRecommendationCommand.ts
+++ b/clients/client-cost-optimization-hub/src/commands/GetRecommendationCommand.ts
@@ -67,7 +67,7 @@ export interface GetRecommendationCommandOutput extends GetRecommendationRespons
  * //   estimatedMonthlyCost: Number("double"),
  * //   implementationEffort: "VeryLow" || "Low" || "Medium" || "High" || "VeryHigh",
  * //   restartNeeded: true || false,
- * //   actionType: "Rightsize" || "Stop" || "Upgrade" || "PurchaseSavingsPlans" || "PurchaseReservedInstances" || "MigrateToGraviton",
+ * //   actionType: "Rightsize" || "Stop" || "Upgrade" || "PurchaseSavingsPlans" || "PurchaseReservedInstances" || "MigrateToGraviton" || "Delete",
  * //   rollbackPossible: true || false,
  * //   currentResourceDetails: { // ResourceDetails Union: only one key present
  * //     lambdaFunction: { // LambdaFunction
diff --git a/clients/client-cost-optimization-hub/src/commands/ListRecommendationSummariesCommand.ts b/clients/client-cost-optimization-hub/src/commands/ListRecommendationSummariesCommand.ts
index 00b0eced1411..f6c77673e988 100644
--- a/clients/client-cost-optimization-hub/src/commands/ListRecommendationSummariesCommand.ts
+++ b/clients/client-cost-optimization-hub/src/commands/ListRecommendationSummariesCommand.ts
@@ -63,7 +63,7 @@ export interface ListRecommendationSummariesCommandOutput
  *       "Ec2Instance" || "LambdaFunction" || "EbsVolume" || "EcsService" || "Ec2AutoScalingGroup" || "Ec2InstanceSavingsPlans" || "ComputeSavingsPlans" || "SageMakerSavingsPlans" || "Ec2ReservedInstances" || "RdsReservedInstances" || "OpenSearchReservedInstances" || "RedshiftReservedInstances" || "ElastiCacheReservedInstances" || "RdsDbInstanceStorage" || "RdsDbInstance",
  *     ],
  *     actionTypes: [ // ActionTypeList
- *       "Rightsize" || "Stop" || "Upgrade" || "PurchaseSavingsPlans" || "PurchaseReservedInstances" || "MigrateToGraviton",
+ *       "Rightsize" || "Stop" || "Upgrade" || "PurchaseSavingsPlans" || "PurchaseReservedInstances" || "MigrateToGraviton" || "Delete",
  *     ],
  *     tags: [ // TagList
  *       { // Tag
diff --git a/clients/client-cost-optimization-hub/src/commands/ListRecommendationsCommand.ts b/clients/client-cost-optimization-hub/src/commands/ListRecommendationsCommand.ts
index f8c56c66a6a2..d4fa394466e6 100644
--- a/clients/client-cost-optimization-hub/src/commands/ListRecommendationsCommand.ts
+++ b/clients/client-cost-optimization-hub/src/commands/ListRecommendationsCommand.ts
@@ -56,7 +56,7 @@ export interface ListRecommendationsCommandOutput extends ListRecommendationsRes
  *       "Ec2Instance" || "LambdaFunction" || "EbsVolume" || "EcsService" || "Ec2AutoScalingGroup" || "Ec2InstanceSavingsPlans" || "ComputeSavingsPlans" || "SageMakerSavingsPlans" || "Ec2ReservedInstances" || "RdsReservedInstances" || "OpenSearchReservedInstances" || "RedshiftReservedInstances" || "ElastiCacheReservedInstances" || "RdsDbInstanceStorage" || "RdsDbInstance",
  *     ],
  *     actionTypes: [ // ActionTypeList
- *       "Rightsize" || "Stop" || "Upgrade" || "PurchaseSavingsPlans" || "PurchaseReservedInstances" || "MigrateToGraviton",
+ *       "Rightsize" || "Stop" || "Upgrade" || "PurchaseSavingsPlans" || "PurchaseReservedInstances" || "MigrateToGraviton" || "Delete",
  *     ],
  *     tags: [ // TagList
  *       { // Tag
diff --git a/clients/client-cost-optimization-hub/src/models/models_0.ts b/clients/client-cost-optimization-hub/src/models/models_0.ts
index c34b6bddd126..57f9b1222cea 100644
--- a/clients/client-cost-optimization-hub/src/models/models_0.ts
+++ b/clients/client-cost-optimization-hub/src/models/models_0.ts
@@ -73,6 +73,7 @@ export interface AccountEnrollmentStatus {
  * @enum
  */
 export const ActionType = {
+  DELETE: "Delete",
   MIGRATE_TO_GRAVITON: "MigrateToGraviton",
   PURCHASE_RESERVED_INSTANCES: "PurchaseReservedInstances",
   PURCHASE_SAVINGS_PLANS: "PurchaseSavingsPlans",
diff --git a/codegen/sdk-codegen/aws-models/cost-optimization-hub.json b/codegen/sdk-codegen/aws-models/cost-optimization-hub.json
index 80143b476d21..b9bdb05f1b40 100644
--- a/codegen/sdk-codegen/aws-models/cost-optimization-hub.json
+++ b/codegen/sdk-codegen/aws-models/cost-optimization-hub.json
@@ -111,6 +111,13 @@
           "traits": {
             "smithy.api#enumValue": "MigrateToGraviton"
           }
+        },
+        "DELETE": {
+          "target": "smithy.api#Unit",
+          "traits": {
+            "smithy.api#enumValue": "Delete",
+            "smithy.api#tags": ["idle"]
+          }
         }
       }
     },
@@ -2349,8 +2356,7 @@
         }
       },
       "traits": {
-        "smithy.api#documentation": "<p>Contains the details of an Amazon RDS DB instance.</p>",
-        "smithy.api#tags": ["rds"]
+        "smithy.api#documentation": "<p>Contains the details of an Amazon RDS DB instance.</p>"
       }
     },
     "com.amazonaws.costoptimizationhub#RdsDbInstanceConfiguration": {
@@ -2381,8 +2387,7 @@
         }
       },
       "traits": {
-        "smithy.api#documentation": "<p>Contains the details of an Amazon RDS DB instance storage.</p>",
-        "smithy.api#tags": ["rds"]
+        "smithy.api#documentation": "<p>Contains the details of an Amazon RDS DB instance storage.</p>"
       }
     },
     "com.amazonaws.costoptimizationhub#RdsDbInstanceStorageConfiguration": {
@@ -3011,15 +3016,13 @@
         "rdsDbInstance": {
           "target": "com.amazonaws.costoptimizationhub#RdsDbInstance",
           "traits": {
-            "smithy.api#documentation": "<p>The DB instance recommendation details.</p>",
-            "smithy.api#tags": ["rds"]
+            "smithy.api#documentation": "<p>The DB instance recommendation details.</p>"
           }
         },
         "rdsDbInstanceStorage": {
           "target": "com.amazonaws.costoptimizationhub#RdsDbInstanceStorage",
           "traits": {
-            "smithy.api#documentation": "<p>The DB instance storage recommendation details.</p>",
-            "smithy.api#tags": ["rds"]
+            "smithy.api#documentation": "<p>The DB instance storage recommendation details.</p>"
           }
         }
       },
@@ -3178,15 +3181,13 @@
         "RDS_DB_INSTANCE_STORAGE": {
           "target": "smithy.api#Unit",
           "traits": {
-            "smithy.api#enumValue": "RdsDbInstanceStorage",
-            "smithy.api#tags": ["rds"]
+            "smithy.api#enumValue": "RdsDbInstanceStorage"
           }
         },
         "RDS_DB_INSTANCE": {
           "target": "smithy.api#Unit",
           "traits": {
-            "smithy.api#enumValue": "RdsDbInstance",
-            "smithy.api#tags": ["rds"]
+            "smithy.api#enumValue": "RdsDbInstance"
           }
         }
       }