diff --git a/grammars/xml.cson b/grammars/xml.cson
index be5fabd..4ac422a 100644
--- a/grammars/xml.cson
+++ b/grammars/xml.cson
@@ -401,14 +401,6 @@
     ]
   'comments':
     'patterns': [
-      {
-        'begin': '<%--'
-        'captures':
-          '0':
-            'name': 'punctuation.definition.comment.xml'
-          'end': '--%>'
-          'name': 'comment.block.xml'
-      }
       {
         'begin': '<!--'
         'captures':