diff --git a/infrastructure/src/events/trainings-event.ts b/infrastructure/src/events/trainings-event.ts
index 007c5311..df4f3569 100644
--- a/infrastructure/src/events/trainings-event.ts
+++ b/infrastructure/src/events/trainings-event.ts
@@ -99,14 +99,6 @@ export class SagemakerTrainingEvents {
       resources: [`arn:${Aws.PARTITION}:sagemaker:${Aws.REGION}:${Aws.ACCOUNT_ID}:training-job/*`],
     }));
 
-    newRole.addToPolicy(new aws_iam.PolicyStatement({
-      effect: Effect.ALLOW,
-      actions: [
-        'kms:*',
-      ],
-      resources: ['*'],
-    }));
-
     newRole.addToPolicy(new aws_iam.PolicyStatement({
       effect: Effect.ALLOW,
       actions: [
@@ -157,6 +149,11 @@ export class SagemakerTrainingEvents {
       layers: [this.layer],
     });
 
+    lambdaFunction.addToRolePolicy(new PolicyStatement({
+      actions: ['sns:Publish'],
+      resources: [this.userSnsTopic.topicArn],
+    }));
+
     const rule = new Rule(this.scope, `${this.baseId}-rule`, {
       eventPattern: {
         source: ['aws.sagemaker'],
diff --git a/infrastructure/src/main.ts b/infrastructure/src/main.ts
index ace178e8..41c531e4 100644
--- a/infrastructure/src/main.ts
+++ b/infrastructure/src/main.ts
@@ -166,8 +166,6 @@ export class Middleware extends Stack {
       routers: restApi.routers,
       s3Bucket: s3Bucket,
       snsTopic: snsTopics.snsTopic,
-      createModelFailureTopic: snsTopics.createModelFailureTopic,
-      createModelSuccessTopic: snsTopics.createModelSuccessTopic,
       logLevel,
       resourceProvider,
       accountId,
diff --git a/infrastructure/src/shared/resource-provider-on-event.ts b/infrastructure/src/shared/resource-provider-on-event.ts
index d7374ec1..43880219 100644
--- a/infrastructure/src/shared/resource-provider-on-event.ts
+++ b/infrastructure/src/shared/resource-provider-on-event.ts
@@ -434,8 +434,6 @@ async function createTopics() {
   const list = [
     'ReceiveSageMakerInferenceSuccess',
     'ReceiveSageMakerInferenceError',
-    'successCreateModel',
-    'failureCreateModel',
     'StableDiffusionSnsUserTopic',
   ];
 
diff --git a/infrastructure/src/shared/sns-topics.ts b/infrastructure/src/shared/sns-topics.ts
index 879ada2a..5357ed4e 100644
--- a/infrastructure/src/shared/sns-topics.ts
+++ b/infrastructure/src/shared/sns-topics.ts
@@ -7,8 +7,6 @@ import { Construct } from 'constructs';
 export class SnsTopics {
 
   public readonly snsTopic: Topic;
-  public readonly createModelSuccessTopic: Topic;
-  public readonly createModelFailureTopic: Topic;
   public readonly inferenceResultTopic: Topic;
   public readonly inferenceResultErrorTopic: Topic;
   private readonly scope: Construct;
@@ -25,8 +23,6 @@ export class SnsTopics {
 
     this.inferenceResultTopic = this.createOrImportTopic('ReceiveSageMakerInferenceSuccess');
     this.inferenceResultErrorTopic = this.createOrImportTopic('ReceiveSageMakerInferenceError');
-    this.createModelSuccessTopic = this.createOrImportTopic('successCreateModel');
-    this.createModelFailureTopic = this.createOrImportTopic('failureCreateModel');
   }
 
   private createOrImportTopic(topicName: string): Topic {
diff --git a/infrastructure/src/shared/train-deploy.ts b/infrastructure/src/shared/train-deploy.ts
index ecee29a7..c67a3a07 100644
--- a/infrastructure/src/shared/train-deploy.ts
+++ b/infrastructure/src/shared/train-deploy.ts
@@ -21,10 +21,7 @@ import { GetTrainingJobApi } from '../api/trainings/get-training-job';
 import { ListTrainingJobsApi } from '../api/trainings/list-training-jobs';
 import { SagemakerTrainingEvents } from '../events/trainings-event';
 
-// ckpt -> create_model -> model -> training -> ckpt -> inference
 export interface TrainDeployProps extends StackProps {
-  createModelSuccessTopic: aws_sns.Topic;
-  createModelFailureTopic: aws_sns.Topic;
   database: Database;
   routers: { [key: string]: Resource };
   s3Bucket: aws_s3.Bucket;
diff --git a/middleware_api/lambda/common/util.py b/middleware_api/lambda/common/util.py
index 10deeea2..592d2ec1 100644
--- a/middleware_api/lambda/common/util.py
+++ b/middleware_api/lambda/common/util.py
@@ -9,6 +9,7 @@ s3 = boto3.client('s3')
 
 logger = logging.getLogger(__name__)
 logger.setLevel(os.environ.get('LOG_LEVEL') or logging.ERROR)
+sns_client = boto3.client('sns')
 
 
 def get_multi_query_params(event, param_name: str, default=None):
@@ -42,8 +43,7 @@ def query_data(data, paths):
 
 
 def publish_msg(topic_arn, msg, subject):
-    client = boto3.client('sns')
-    client.publish(
+    sns_client.publish(
         TopicArn=topic_arn,
         Message=str(msg),
         Subject=subject
diff --git a/update_scripts/retained_sns b/update_scripts/retained_sns
index c774b212..53d507fb 100644
--- a/update_scripts/retained_sns
+++ b/update_scripts/retained_sns
@@ -1,5 +1,3 @@
 ReceiveSageMakerInferenceError
 ReceiveSageMakerInferenceSuccess
 StableDiffusionSnsUserTopic
-failureCreateModel
-successCreateModel
\ No newline at end of file