diff --git a/lib/syntax/node/MediaQueryList.js b/lib/syntax/node/MediaQueryList.js
index 09bc4ae0..ed8e465a 100644
--- a/lib/syntax/node/MediaQueryList.js
+++ b/lib/syntax/node/MediaQueryList.js
@@ -29,6 +29,5 @@ module.exports = {
     },
     generate: function(node) {
         return this.eachComma(node.children);
-    },
-    walkContext: 'atruleExpression'
+    }
 };