diff --git a/patternlab-config.json b/patternlab-config.json
index de23ae72..55f0c8fe 100644
--- a/patternlab-config.json
+++ b/patternlab-config.json
@@ -64,5 +64,6 @@
     "rendered": ".rendered",
     "rawTemplate": "",
     "markupOnly": ".markup-only"
-  }
+  },
+  "cleanOutputHtml": true
 }