diff --git a/docs/contents/getting_started/index.md b/docs/contents/getting_started/index.md
index 6ba9f36e2..b01362ec5 100644
--- a/docs/contents/getting_started/index.md
+++ b/docs/contents/getting_started/index.md
@@ -107,7 +107,7 @@ $ cd pdf.js
 
 ## Trying the Viewer
 
-With the prebuilt or source version open `web/viewer.html` in a browser and the test pdf should load. Note: the worker is not enabled for file:// urls, so use a server. If you're using the source build and have node, you can run `node make server`.
+With the prebuilt or source version open `web/viewer.html` in a browser and the test pdf should load. Note: the worker is not enabled for file:// urls, so use a server. If you're using the source build and have node, you can run `gulp server`.
 
 ## More Information
 
diff --git a/examples/components/pageviewer.js b/examples/components/pageviewer.js
index 98590e4b9..65407d42d 100644
--- a/examples/components/pageviewer.js
+++ b/examples/components/pageviewer.js
@@ -17,7 +17,7 @@
 
 if (!PDFJS.PDFViewer || !PDFJS.getDocument) {
   alert('Please build the library and components using\n' +
-        '  `node make generic components`');
+        '  `gulp generic components`');
 }
 
 // The workerSrc property shall be specified.
diff --git a/examples/components/simpleviewer.js b/examples/components/simpleviewer.js
index fe2276fa7..c3315e8f1 100644
--- a/examples/components/simpleviewer.js
+++ b/examples/components/simpleviewer.js
@@ -17,7 +17,7 @@
 
 if (!PDFJS.PDFViewer || !PDFJS.getDocument) {
   alert('Please build the library and components using\n' +
-        '  `node make generic components`');
+        '  `gulp generic components`');
 }
 
 // The workerSrc property shall be specified.
diff --git a/examples/helloworld/README.md b/examples/helloworld/README.md
index 7096b145c..bc979fbb7 100644
--- a/examples/helloworld/README.md
+++ b/examples/helloworld/README.md
@@ -8,7 +8,7 @@ simple and human-readable PDF.
 
 Instead of simply opening `index.html` in a browser, you must serve the page
 using a web server. This can be done on your local machine without an internet
-connection. In the root directory of PDF.js, run `node make server` in a
+connection. In the root directory of PDF.js, run `gulp server` in a
 terminal. The example can then be viewed using the following URL:
 
 `http://localhost:8888/examples/helloworld/index.html`
diff --git a/examples/node/getinfo.js b/examples/node/getinfo.js
index 35111502e..c06e05ddd 100644
--- a/examples/node/getinfo.js
+++ b/examples/node/getinfo.js
@@ -4,7 +4,7 @@
 //
 // Basic node example that prints document metadata and text content.
 // Requires single file built version of PDF.js -- please run
-// `node make singlefile` before running the example.
+// `gulp singlefile` before running the example.
 //
 
 var fs = require('fs');
@@ -12,7 +12,7 @@ var fs = require('fs');
 // HACK adding DOMParser to read XMP metadata.
 global.DOMParser = require('./domparsermock.js').DOMParserMock;
 
-// Run `node make dist` to generate 'pdfjs-dist' npm package files.
+// Run `gulp dist` to generate 'pdfjs-dist' npm package files.
 require('../../build/dist');
 
 // Loading file from file system into typed array
diff --git a/examples/node/pdf2svg.js b/examples/node/pdf2svg.js
index f5e3d8ff0..48268bfce 100644
--- a/examples/node/pdf2svg.js
+++ b/examples/node/pdf2svg.js
@@ -10,7 +10,7 @@ var fs = require('fs');
 // HACK few hacks to let PDF.js be loaded not as a module in global space.
 require('./domstubs.js');
 
-// Run `node make dist` to generate 'pdfjs-dist' npm package files.
+// Run `gulp dist` to generate 'pdfjs-dist' npm package files.
 require('../../build/dist');
 
 // Loading file from file system into typed array
diff --git a/examples/text-only/pdf2svg.js b/examples/text-only/pdf2svg.js
index effaf2d58..29f0e4ef6 100644
--- a/examples/text-only/pdf2svg.js
+++ b/examples/text-only/pdf2svg.js
@@ -63,7 +63,7 @@ function pageLoaded() {
 document.addEventListener('DOMContentLoaded', function () {
   if (typeof PDFJS === 'undefined') {
     alert('Built version of PDF.js was not found.\n' +
-          'Please run `node make generic`.');
+          'Please run `gulp generic`.');
     return;
   }
   pageLoaded();
diff --git a/examples/webpack/README.md b/examples/webpack/README.md
index 228b386fc..318a4d70d 100644
--- a/examples/webpack/README.md
+++ b/examples/webpack/README.md
@@ -6,7 +6,7 @@ Example to demonstrate PDF.js library usage with webpack.
 
 Build project and install the example dependencies:
 
-  $ node make dist
+  $ gulp dist
   $ cd examples/webpack
   $ npm install
 
diff --git a/external/importL10n/locales.js b/external/importL10n/locales.js
index a3c5be3a9..b8a590d20 100644
--- a/external/importL10n/locales.js
+++ b/external/importL10n/locales.js
@@ -41,7 +41,7 @@ function normalizeText(s) {
   return s.replace(/\r\n?/g, '\n').replace(/\uFEFF/g, '');
 }
 
-function downloadLanguageFiles(langCode, callback) {
+function downloadLanguageFiles(root, langCode, callback) {
   console.log('Downloading ' + langCode + '...');
 
   // Constants for constructing the URLs. Translations are taken from the
@@ -56,12 +56,12 @@ function downloadLanguageFiles(langCode, callback) {
   var downloadsLeft = files.length;
 
   if (!fs.existsSync(langCode)) {
-    fs.mkdirSync(langCode);
+    fs.mkdirSync(path.join(root, langCode));
   }
 
   // Download the necessary files for this language.
   files.forEach(function(fileName) {
-    var outputPath = path.join(langCode, fileName);
+    var outputPath = path.join(root, langCode, fileName);
     var url = MOZCENTRAL_ROOT + langCode + MOZCENTRAL_PDFJS_DIR +
               fileName + MOZCENTRAL_RAW_FLAG;
     var request = http.get(url, function(response) {
@@ -81,13 +81,13 @@ function downloadLanguageFiles(langCode, callback) {
   });
 }
 
-function downloadL10n() {
+function downloadL10n(root) {
   var i = 0;
   (function next() {
     if (i >= langCodes.length) {
       return;
     }
-    downloadLanguageFiles(langCodes[i++], next);
+    downloadLanguageFiles(root, langCodes[i++], next);
   })();
 }
 
diff --git a/gulpfile.js b/gulpfile.js
index 623be57f2..87afc0113 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -17,10 +17,15 @@
 
 'use strict';
 
+var fs = require('fs');
 var gulp = require('gulp');
 var gutil = require('gulp-util');
+var rimraf = require('rimraf');
 var stream = require('stream');
 
+var BUILD_DIR = 'build/';
+var L10N_DIR = 'l10n/';
+
 require('./make.js');
 
 function createStringSource(filename, content) {
@@ -56,6 +61,13 @@ gulp.task('server', function () {
   server.start();
 });
 
+gulp.task('clean', function(callback) {
+  console.log();
+  console.log('### Cleaning up project builds');
+
+  rimraf(BUILD_DIR, callback);
+});
+
 gulp.task('makefile', function () {
   var makefileContent = 'help:\n\tgulp\n\n';
   var targetsNames = [];
@@ -68,6 +80,18 @@ gulp.task('makefile', function () {
     .pipe(gulp.dest('.'));
 });
 
+gulp.task('importl10n', function() {
+  var locales = require('./external/importL10n/locales.js');
+
+  console.log();
+  console.log('### Importing translations from mozilla-aurora');
+
+  if (!fs.existsSync(L10N_DIR)) {
+    fs.mkdirSync(L10N_DIR);
+  }
+  locales.downloadL10n(L10N_DIR);
+});
+
 // Getting all shelljs registered tasks and register them with gulp
 var gulpContext = false;
 for (var taskName in global.target) {
diff --git a/make.js b/make.js
index 6449e2f85..561cf9c62 100644
--- a/make.js
+++ b/make.js
@@ -1357,7 +1357,7 @@ target.mozcentralbaseline = function() {
   if (test('-d', 'build')) {
     rm('-rf', 'build');
   }
-  exec('node make mozcentral');
+  exec('gulp mozcentral');
 
   cd(ROOT_DIR);
   mkdir(MOZCENTRAL_BASELINE_DIR);
@@ -1391,7 +1391,7 @@ target.mozcentraldiff = function() {
   var MOZCENTRAL_BASELINE_DIR = BUILD_DIR + 'mozcentral.baseline';
   if (!test('-d', MOZCENTRAL_BASELINE_DIR)) {
     echo('mozcentral baseline was not found');
-    echo('Please build one using "node make mozcentralbaseline"');
+    echo('Please build one using "gulp mozcentralbaseline"');
     exit(1);
   }
   cd(MOZCENTRAL_BASELINE_DIR);
@@ -1432,7 +1432,7 @@ target.mozcentralcheck = function() {
   var MOZCENTRAL_BASELINE_DIR = BUILD_DIR + 'mozcentral.baseline';
   if (!test('-d', MOZCENTRAL_BASELINE_DIR)) {
     echo('mozcentral baseline was not found');
-    echo('Please build one using "node make mozcentralbaseline"');
+    echo('Please build one using "gulp mozcentralbaseline"');
     exit(1);
   }
   cd(MOZCENTRAL_BASELINE_DIR);
@@ -1512,11 +1512,7 @@ target.lint = function() {
 // make clean
 //
 target.clean = function() {
-  cd(ROOT_DIR);
-  echo();
-  echo('### Cleaning up project builds');
-
-  rm('-rf', BUILD_DIR);
+  exit(exec('gulp clean'));
 };
 
 //
@@ -1530,17 +1526,5 @@ target.makefile = function () {
 //make importl10n
 //
 target.importl10n = function() {
-  var locales = require('./external/importL10n/locales.js');
-  var LOCAL_L10N_DIR = 'l10n';
-
-  cd(ROOT_DIR);
-  echo();
-  echo('### Importing translations from mozilla-aurora');
-
-  if (!test('-d', LOCAL_L10N_DIR)) {
-    mkdir(LOCAL_L10N_DIR);
-  }
-  cd(LOCAL_L10N_DIR);
-
-  locales.downloadL10n();
+  exit(exec('gulp importl10n'));
 };
diff --git a/web/view_history.js b/web/view_history.js
index 346d39bd8..b8404e66a 100644
--- a/web/view_history.js
+++ b/web/view_history.js
@@ -22,7 +22,7 @@ var DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
  *                recently opened files.
  *
  * The way that the view parameters are stored depends on how PDF.js is built,
- * for 'node make <flag>' the following cases exist:
+ * for 'gulp <flag>' the following cases exist:
  *  - FIREFOX or MOZCENTRAL - uses sessionStorage.
  *  - GENERIC or CHROME     - uses localStorage, if it is available.
  */