diff --git a/gulpfile.js b/gulpfile.js
index dd3ad6fec..afc207dbf 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -5,7 +5,6 @@ var path = require('path');
 var through = require('through');
 var gulp = require('gulp');
 var less = require('gulp-less');
-var minifyCSS = require('gulp-minify-css');
 var newer = require('gulp-newer');
 var rename = require('gulp-rename');
 var sourcemaps = require('gulp-sourcemaps');
@@ -19,7 +18,7 @@ gulp.task('css', function () {
     .pipe(less({
       paths: [ path.join(__dirname, 'less', 'includes') ]
     }))
-    .pipe(minifyCSS({restructuring: false}))
+    // we don't minify on purpose as it removes rules
     .pipe(rename({
             suffix: '.min'
         }))
diff --git a/package.json b/package.json
index d5cf1ac7e..10a2cdfb2 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,6 @@
     "gulp": "^3.8.11",
     "gulp-less": "^3.0.2",
     "gulp-livereload": "^3.8.0",
-    "gulp-minify-css": "^1.0.0",
     "gulp-newer": "^0.5.0",
     "gulp-rename": "^1.2.2",
     "gulp-sourcemaps": "^1.5.1",