diff --git a/lib/ace/mode/text.js b/lib/ace/mode/text.js
index c457b5b5..40e4f506 100644
--- a/lib/ace/mode/text.js
+++ b/lib/ace/mode/text.js
@@ -172,9 +172,9 @@ var Mode = function() {
         var state = args[0];
         
         for (var i = 0; i < this.$embeds.length; i++) {
-            var split = state.split(this.$embeds[i]);
             if (!this.$modes[this.$embeds[i]]) continue;
             
+            var split = state.split(this.$embeds[i]);
             if (!split[0] && split[1]) {
                 args[0] = split[1];
                 var mode = this.$modes[this.$embeds[i]];
diff --git a/lib/ace/mode/text_highlight_rules.js b/lib/ace/mode/text_highlight_rules.js
index 654858b7..e0feffa3 100644
--- a/lib/ace/mode/text_highlight_rules.js
+++ b/lib/ace/mode/text_highlight_rules.js
@@ -62,7 +62,6 @@ var TextHighlightRules = function() {
             var state = rules[key];
             for (var i=0; i<state.length; i++) {
                 var rule = state[i];
-                var onext = rule.next;
                 if (rule.next) {
                     rule.next = prefix + rule.next;
                 } else {