diff --git a/gulpfile.js b/gulpfile.js
index 62f4f22e63..0560592e82 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -32,8 +32,6 @@ gulp.task('format', loadTask('format', 'format'));
 gulp.task('format:untracked', loadTask('format', 'format-untracked'));
 gulp.task('format:diff', loadTask('format', 'format-diff'));
 gulp.task('format:changed', ['format:untracked', 'format:diff']);
-gulp.task('build.sh', loadTask('build', 'all'));
-gulp.task('build.sh:no-bundle', loadTask('build', 'no-bundle'));
 gulp.task('lint', ['format:enforce', 'validate-commit-messages', 'tslint']);
 gulp.task('tslint', ['tools:build'], loadTask('lint'));
 gulp.task('validate-commit-messages', loadTask('validate-commit-message'));
diff --git a/tools/gulp-tasks/build.js b/tools/gulp-tasks/build.js
deleted file mode 100644
index 870829cebc..0000000000
--- a/tools/gulp-tasks/build.js
+++ /dev/null
@@ -1,21 +0,0 @@
-/**
- * @license
- * Copyright Google Inc. All Rights Reserved.
- *
- * Use of this source code is governed by an MIT-style license that can be
- * found in the LICENSE file at https://angular.io/license
- */
-
-module.exports = {
-  // build everything and generate bundles
-  'all': (gulp) => (done) => execBuild(done),
-  // same as all without the bundling part - faster / lower memory usage
-  'no-bundle': (gulp) => (done) => execBuild(done, '--bundle=false'),
-};
-
-function execBuild(done, args = '') {
-  const path = require('path');
-  const childProcess = require('child_process');
-  // increase maxbuffer to address out of memory exception when running certain tasks
-  childProcess.exec(path.join(__dirname, `../../build.sh ${args}`), {maxBuffer: 300 * 1024}, done);
-}
\ No newline at end of file