diff --git a/bin/callback.js b/bin/callback.js
index b0e49e5..4da8163 100644
--- a/bin/callback.js
+++ b/bin/callback.js
@@ -14,7 +14,7 @@ exports.isCallbackSet = !!CALLBACK_URL
 exports.callbackHandler = (update, origin, doc) => {
   const room = doc.name
   const dataToSend = {
-    room: room,
+    room,
     data: {}
   }
   const sharedObjectList = Object.keys(CALLBACK_OBJECTS)
@@ -39,7 +39,7 @@ const callbackRequest = (url, timeout, data) => {
     hostname: url.hostname,
     port: url.port,
     path: url.pathname,
-    timeout: timeout,
+    timeout,
     method: 'POST',
     headers: {
       'Content-Type': 'application/json',
diff --git a/bin/utils.js b/bin/utils.js
index 71feb7e..311f905 100644
--- a/bin/utils.js
+++ b/bin/utils.js
@@ -168,9 +168,9 @@ const messageListener = (conn, doc, message) => {
       case messageSync:
         encoding.writeVarUint(encoder, messageSync)
         syncProtocol.readSyncMessage(decoder, encoder, doc, null)
-        
-        // If the `encoder` only contains the type of reply message and no 
-        // message, there is no need to send the message. When `encoder` only 
+
+        // If the `encoder` only contains the type of reply message and no
+        // message, there is no need to send the message. When `encoder` only
         // contains the type of reply, its length is 1.
         if (encoding.length(encoder) > 1) {
           send(doc, conn, encoding.toUint8Array(encoder))