diff --git a/lib/ace/mode/ruby_highlight_rules.js b/lib/ace/mode/ruby_highlight_rules.js
index 1d6b94ce..37549820 100644
--- a/lib/ace/mode/ruby_highlight_rules.js
+++ b/lib/ace/mode/ruby_highlight_rules.js
@@ -110,8 +110,6 @@ RubyHighlightRules = function() {
 	                else if (buildinConstants[value])
 	                    return "constant.language";
                     else if (builtinVariables[value])
-                        return "variable.language";
-                    else if (futureReserved[value])
                         return "invalid.illegal";
                     else if (builtinFunctions[value])
                         return "support.function";