diff --git a/gulpfile.js b/gulpfile.js
index a2f75a750..7b8b46727 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 /* eslint-env node */
-/* globals target */
 
 "use strict";
 
@@ -1848,17 +1847,6 @@ gulp.task("clean", function (done) {
   rimraf(BUILD_DIR, done);
 });
 
-gulp.task("makefile", function () {
-  let makefileContent = "help:\n\tgulp\n\n";
-  const targetsNames = [];
-  for (const i in target) {
-    makefileContent += i + ":\n\tgulp " + i + "\n\n";
-    targetsNames.push(i);
-  }
-  makefileContent += ".PHONY: " + targetsNames.join(" ") + "\n";
-  return createStringSource("Makefile", makefileContent).pipe(gulp.dest("."));
-});
-
 gulp.task("importl10n", function (done) {
   const locales = require("./external/importL10n/locales.js");