diff --git a/lib/ace/mode/properties.js b/lib/ace/mode/properties.js
index 68680656..cd71a52c 100644
--- a/lib/ace/mode/properties.js
+++ b/lib/ace/mode/properties.js
@@ -42,9 +42,5 @@ var Mode = function() {
 };
 oop.inherits(Mode, TextMode);
 
-(function() {
-
-}).call(Mode.prototype);
-
 exports.Mode = Mode;
 });
diff --git a/lib/ace/mode/properties_highlight_rules.js b/lib/ace/mode/properties_highlight_rules.js
index 5a1c2843..36640175 100644
--- a/lib/ace/mode/properties_highlight_rules.js
+++ b/lib/ace/mode/properties_highlight_rules.js
@@ -81,6 +81,6 @@ var PropertiesHighlightRules = function() {
 
 oop.inherits(PropertiesHighlightRules, TextHighlightRules);
 
-exports.PropetiesHighlightRules = PropertiesHighlightRules;
+exports.PropertiesHighlightRules = PropertiesHighlightRules;
 });