diff --git a/lambda/NoticeToSlack/index.js b/lambda/NoticeToSlack/index.js
deleted file mode 100644
index 630c769d..00000000
--- a/lambda/NoticeToSlack/index.js
+++ /dev/null
@@ -1,37 +0,0 @@
-"use-strict";
-
-const request = require("request-promise");
-exports.handler = (event, context, callback) => {
-    const attaches = event.Records.map(evt => {
-        return {
-            "fallback":`Notification from mbj-newdwh2021 AWS: ${evt.EventSubscriptionArn}`,
-            "pretext":`Notification from mbj-newdwh2021 AWS: ${evt.EventSubscriptionArn}`,
-            "color":"#0000D0",
-            "fields":[
-                {
-                    "title": `${evt.Sns.Subject}`,
-                    "value": `${evt.Sns.Timestamp}: ${evt.Sns.Message} (MessageId: ${evt.Sns.MessageId})`,
-                    "short": false
-                }
-            ]
-        };
-    });
-    request({
-        method: "POST",
-        url: process.env.webhookurl,
-        body: {
-            attachments: attaches
-            
-        },
-        json: true
-    }).then((body => {
-        callback(null, `Request succeed. ${body}`);
-    })).catch((err) => {
-        callback("failed to request to slack.", {
-           result: "ERROR",
-           event: event,
-           cause: `request failed. ${err}.`
-        });
-    })
-    
-};
diff --git a/lambda/NoticeToSlack/mbj-newdwh2021-staging-NoticeToSlack.zip b/lambda/NoticeToSlack/mbj-newdwh2021-staging-NoticeToSlack.zip
deleted file mode 100644
index 53f0c160..00000000
Binary files a/lambda/NoticeToSlack/mbj-newdwh2021-staging-NoticeToSlack.zip and /dev/null differ
diff --git a/lambda/NoticeToSlack/package.json b/lambda/NoticeToSlack/package.json
deleted file mode 100644
index 30e2c8fe..00000000
--- a/lambda/NoticeToSlack/package.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-  "name": "mbj-newdwh2021-staging-noticetoslack",
-  "version": "1.0.0",
-  "description": "",
-  "main": "index.js",
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
-  "author": "",
-  "license": "ISC",
-  "dependencies": {
-    "request": "^2.88.2",
-    "request-promise": "^4.2.6"
-  }
-}
diff --git a/lambda/PublishFromLog/index.js b/lambda/PublishFromLog/index.js
deleted file mode 100644
index 196905d1..00000000
--- a/lambda/PublishFromLog/index.js
+++ /dev/null
@@ -1,30 +0,0 @@
-const zlib = require("zlib");
-const aws = require("aws-sdk");
-const sns = new aws.SNS({
-    apiVersion: "2010-03-31",
-    region: 'ap-northeast-1'
-});
-
-exports.handler = function(input, context) {
-    var payload = new Buffer.from(input.awslogs.data, 'base64');
-    zlib.gunzip(payload, function(e, result) {
-        if (e) {
-            context.fail(e);
-        } else {
-            result = JSON.parse(result.toString('UTF-8'));
-            const publishMessage = {
-                Subject: `Detect Error(or Warning) in ${result.logGroup}`,
-                Message: result.logEvents.map((l) => l.message).join('\n'),
-                TopicArn: process.env.topicArn
-            };
-            console.log(publishMessage);
-
-            sns.publish(publishMessage, (err, data) => {
-                console.log(err, data);
-                if(err){
-                    context.fail(err);
-                }
-            });
-        }
-    });
-};
\ No newline at end of file
diff --git a/lambda/PublishFromLog/mbj-newdwh2021-staging-PublishFromLog.zip b/lambda/PublishFromLog/mbj-newdwh2021-staging-PublishFromLog.zip
deleted file mode 100644
index 6a8526bc..00000000
Binary files a/lambda/PublishFromLog/mbj-newdwh2021-staging-PublishFromLog.zip and /dev/null differ
diff --git a/lambda/PublishFromLog/package.json b/lambda/PublishFromLog/package.json
deleted file mode 100644
index c1156fde..00000000
--- a/lambda/PublishFromLog/package.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-  "name": "mbj-newdwh2021-staging-publishfromlog",
-  "version": "1.0.0",
-  "description": "",
-  "main": "index.js",
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
-  "author": "",
-  "license": "ISC",
-  "dependencies": {
-    "aws-sdk": "^2.1011.0",
-    "zlib": "^1.0.5"
-  }
-}
diff --git a/lambda/NoticeToSlack/notice_to_slack.py b/lambda/notice-to-slack/notice_to_slack.py
similarity index 100%
rename from lambda/NoticeToSlack/notice_to_slack.py
rename to lambda/notice-to-slack/notice_to_slack.py
diff --git a/lambda/PublishFromLog/publish_from_log.py b/lambda/publish-from-log/publish_from_log.py
similarity index 100%
rename from lambda/PublishFromLog/publish_from_log.py
rename to lambda/publish-from-log/publish_from_log.py