diff --git a/lib/ace/mode/dart_highlight_rules.js b/lib/ace/mode/dart_highlight_rules.js
index 068f5382..a0851ef7 100644
--- a/lib/ace/mode/dart_highlight_rules.js
+++ b/lib/ace/mode/dart_highlight_rules.js
@@ -13,7 +13,7 @@ var DartHighlightRules = function() {
     var constantLanguage = "true|false|null";
     var variableLanguage = "this|super";
     var keywordControl = "try|catch|finally|throw|break|case|continue|default|do|else|for|if|in|return|switch|while|new";
-    var keywordDeclaration = "abstract|class|extends|external|factory|implements|interface|get|native|operator|set|typedef";
+    var keywordDeclaration = "abstract|class|extends|external|factory|implements|get|native|operator|set|typedef";
     var storageModifier = "static|final|const";
     var storageType = "void|bool|num|int|double|Dynamic|var|String";
 
@@ -52,7 +52,7 @@ var DartHighlightRules = function() {
         },
         {
             token: "keyword.other.import.dart",
-            regex: "(?:\\b)(?:library|import|source|resource|part|of)(?:\\b)"
+            regex: "(?:\\b)(?:library|import|source|part|of)(?:\\b)"
         },
         {
             token : ["keyword.other.import.dart", "text"],