diff --git a/.config/example.yml b/.config/example.yml
index 1019f7b44b..036f59052f 100644
--- a/.config/example.yml
+++ b/.config/example.yml
@@ -108,13 +108,5 @@ autoAdmin: true
 #  port: 9200
 #  pass: null
 
-# ServiceWorker
-#sw:
-#  # Public key of VAPID
-#  public_key: example-sw-public-key
-#
-#  # Private key of VAPID
-#  private_key: example-sw-private-key
-
 # Clustering
 #clusterLimit: 1
diff --git a/src/config/types.ts b/src/config/types.ts
index 3d78685e6a..6ca3e3b7f2 100644
--- a/src/config/types.ts
+++ b/src/config/types.ts
@@ -43,17 +43,11 @@ export type Source = {
 	 * Service Worker
 	 */
 	sw?: {
-		public_key: string;
-		private_key: string;
+		publicKey: string;
+		privateKey: string;
 	};
 
 	clusterLimit?: number;
-
-	user_recommendation?: {
-		external: boolean;
-		engine: string;
-		timeout: number;
-	};
 };
 
 /**
diff --git a/src/push-sw.ts b/src/push-sw.ts
index 2c09d0547e..bfd3b94a57 100644
--- a/src/push-sw.ts
+++ b/src/push-sw.ts
@@ -7,8 +7,8 @@ if (config.sw) {
 	// アプリケーションの連絡先と、サーバーサイドの鍵ペアの情報を登録
 	push.setVapidDetails(
 		config.url,
-		config.sw.public_key,
-		config.sw.private_key);
+		config.sw.publicKey,
+		config.sw.privateKey);
 }
 
 export default async function(userId: mongo.ObjectID | string, type: string, body?: any) {