diff --git a/lib/common/uglify.options.js b/lib/common/uglify.options.js
index 1c52f61e2..af0ff436a 100644
--- a/lib/common/uglify.options.js
+++ b/lib/common/uglify.options.js
@@ -10,7 +10,6 @@ module.exports = {
   'compress': {
     'pure_getters': true,
     'unsafe': true,
-    'unsafe_comps': true,
     'warnings': false
   },
   'mangle': {