diff --git a/lib/controller.js b/lib/controller.js
index d2750753..c73c11d9 100644
--- a/lib/controller.js
+++ b/lib/controller.js
@@ -560,13 +560,13 @@ controller.restoreTessel = function(opts) {
   opts.usb = true;
   opts.lan = false;
   opts.altSetting = 1;
-  return controller.get(opts).then(function(tessel) {
-    return new Promise(function(resolve, reject) {
+  return controller.get(opts).then((tessel) => {
+    return new Promise((resolve, reject) => {
       tessel.restore(opts)
-        .then(function(result) {
+        .then((result) => {
           resolve(result);
         })
-        .catch(function(err) {
+        .catch((err) => {
           reject(err);
         });
     });
diff --git a/lib/flash.js b/lib/flash.js
index 978d355c..55fb62e6 100644
--- a/lib/flash.js
+++ b/lib/flash.js
@@ -38,7 +38,7 @@ function transaction(usbConnection, write, read, status_poll, wren, next) {
 
   var data = concatToBuffer(hdr, write);
 
-  usbConnection.epOut.transfer(data, function(err) {
+  usbConnection.epOut.transfer(data, (err) => {
     if (err) {
       return next(err);
     }
@@ -71,7 +71,7 @@ function eraseChip(usbConnection, next) {
 // Poll for the WIP bit in the status register to go low
 function waitTransactionComplete(usbConnection, next) {
   setTimeout(function onWait() {
-    getStatus(usbConnection, function onGetStatus(err, status) {
+    getStatus(usbConnection, (err, status) => {
       if (err) {
         return next(err);
       }
@@ -85,7 +85,7 @@ function waitTransactionComplete(usbConnection, next) {
 
 // Read the status register
 function getStatus(usbConnection, next) {
-  transaction(usbConnection, [0x05], 1, null, null, function onGetStatus(err, data) {
+  transaction(usbConnection, [0x05], 1, null, null,(err, data) => {
     next(err, data ? data[0] : data);
   });
 }
@@ -101,7 +101,7 @@ function write(usbConnection, writeAddress, data, sliceStart, next) {
 
   var sliceEnd = sliceStart + PAGE;
   var pageData = data.slice(sliceStart, sliceEnd);
-  writePage(usbConnection, writeAddress, pageData, function onWrite(err) {
+  writePage(usbConnection, writeAddress, pageData, (err) => {
     if (err) {
       return next(err);
     }
diff --git a/lib/tessel/restore.js b/lib/tessel/restore.js
index 48ccd7bf..715c6e64 100644
--- a/lib/tessel/restore.js
+++ b/lib/tessel/restore.js
@@ -14,19 +14,17 @@ Tessel.prototype.restore = function restore() {
   var usbConnection = this.connection;
   return new Promise((resolve, reject) => {
 
-      log.info('Proceeding with updating OpenWrt...');
+    log.info('Proceeding with updating OpenWrt...');
 
-      // download images
-      return update.fetchRestore()
-        .then((result) => {
-          flash(usbConnection, result.uboot, result.squashfs, (err) => {
-            if (err) {
-              return reject(err);
-            }
-            resolve();
-          });
+    // download images
+    return update.fetchRestore()
+      .then((result) => {
+        flash(usbConnection, result.uboot, result.squashfs, (err) => {
+          if (err) {
+            return reject(err);
+          }
+          resolve();
         });
-
-
+      });
   });
 };