Fix #443

sass/utilities/functions.sass

@@ -29,8 +29,8 @@
 
 @function removeUnit($number)
   @if type-of($number) == 'number' and not unitless($number)
-    @return $number / ($number * 0 + 1);
-  @return $number;
+    @return $number / ($number * 0 + 1)
+  @return $number
 
 @function roundToEvenNumber($number)
   @return floor($number / 2) * 2