diff --git a/lib/ace/mode/html.js b/lib/ace/mode/html.js
index 31c645e5..1cc894d9 100644
--- a/lib/ace/mode/html.js
+++ b/lib/ace/mode/html.js
@@ -41,7 +41,6 @@ var oop = require("pilot/oop");
 var TextMode = require("ace/mode/text").Mode;
 var JavaScriptMode = require("ace/mode/javascript").Mode;
 var CssMode = require("ace/mode/css").Mode;
-var RubyMode = require("ace/mode/ruby").Mode;
 var Tokenizer = require("ace/tokenizer").Tokenizer;
 var HtmlHighlightRules = require("ace/mode/html_highlight_rules").HtmlHighlightRules;
 
@@ -50,7 +49,6 @@ var Mode = function() {
 
     this.$js = new JavaScriptMode();
     this.$css = new CssMode();
-    this.$ruby = new RubyMode();
 };
 oop.inherits(Mode, TextMode);
 
@@ -94,12 +92,6 @@ oop.inherits(Mode, TextMode);
             return this.$css[method].apply(this.$css, args);
         }
         
-        var split = state.split("ruby-");
-        if (!split[0] && split[1]) {
-            args[0] = split[1];
-            return this.$ruby[method].apply(this.$ruby, args);
-        }
-
         return defaultHandler ? defaultHandler() : undefined;
     };
 
diff --git a/lib/ace/mode/html_highlight_rules.js b/lib/ace/mode/html_highlight_rules.js
index 6fe97112..26ab064e 100644
--- a/lib/ace/mode/html_highlight_rules.js
+++ b/lib/ace/mode/html_highlight_rules.js
@@ -40,7 +40,6 @@ define(function(require, exports, module) {
 var oop = require("pilot/oop");
 var CssHighlightRules = require("ace/mode/css_highlight_rules").CssHighlightRules;
 var JavaScriptHighlightRules = require("ace/mode/javascript_highlight_rules").JavaScriptHighlightRules;
-var RubyHighlightRules = require("ace/mode/ruby_highlight_rules").RubyHighlightRules;
 var TextHighlightRules = require("ace/mode/text_highlight_rules").TextHighlightRules;
 
 var HtmlHighlightRules = function() {
@@ -68,10 +67,6 @@ var HtmlHighlightRules = function() {
             token : "text",
             regex : "<(?=\s*style)",
             next : "css"
-        }, {
-            token : "text",
-            regex : "<(?=\s*%)",
-            next : "ruby"
         }, {
             token : "text", // opening tag
             regex : "<\\/?",
@@ -120,24 +115,6 @@ var HtmlHighlightRules = function() {
             regex : "'.*?'"
         } ],
 
-        ruby : [ {
-            token : "text",
-            regex : ".",
-            next : "ruby-start"
-        }, {
-            token : "keyword",
-            regex : "[-_a-zA-Z0-9:]+"
-        }, {
-            token : "text",
-            regex : "\\s+"
-        }, {
-            token : "string",
-            regex : '".*?"'
-        }, {
-            token : "string",
-            regex : "'.*?'"
-        } ],
-
         tag : [ {
             token : "text",
             regex : ">",
@@ -197,14 +174,6 @@ var HtmlHighlightRules = function() {
         regex: "<\\/(?=style)",
         next: "tag"
     });
-    
-    var rubyRules = new RubyHighlightRules().getRules();
-    this.addRules(rubyRules, "ruby-");
-    this.$rules["ruby-start"].unshift({
-        token: "text",
-        regex: "%>",
-        next: "tag"
-    });
 };
 
 oop.inherits(HtmlHighlightRules, TextHighlightRules);