diff --git a/src/css/variables.styl b/src/css/variables.styl
index 8bffb7942..b9f18748e 100644
--- a/src/css/variables.styl
+++ b/src/css/variables.styl
@@ -26,15 +26,6 @@ pos(top, left)
     top: top
     left: left
 
-mpzero()
-    margin: 0
-    padding: 0
-
-vendor(prop, args)
-    -webkit-{prop} args
-    -moz-{prop} args
-    {prop} args
-
 clearfix()
     &:after
         content: '';