diff --git a/gulp/tasks/cleanMaps.js b/gulp/tasks/cleanMaps.js
new file mode 100644
index 0000000..7a84a67
--- /dev/null
+++ b/gulp/tasks/cleanMaps.js
@@ -0,0 +1,14 @@
+'use strict';
+
+var config = require('../config');
+var gulp   = require('gulp');
+var del    = require('del');
+var path   = require('path');
+
+gulp.task('cleanmaps', function(cb) {
+
+  // It seems to be impossible to disable sourcemaps normally. Instead, delete
+  // them at the end of 'prod'.
+  return del([path.join(config.scripts.dest, 'main.js.map')]);
+
+});
diff --git a/gulp/tasks/production.js b/gulp/tasks/production.js
index ec01eee..986a4b6 100644
--- a/gulp/tasks/production.js
+++ b/gulp/tasks/production.js
@@ -9,6 +9,8 @@ gulp.task('prod', ['clean'], function(cb) {
 
   global.isProd = true;
 
-  runSequence(['styles', 'fonts', 'views'], 'browserify', 'gzip', cb);
+  runSequence(
+    ['styles', 'fonts', 'views'],
+    'browserify', 'cleanmaps', cb);
 
 });