diff --git a/lib/core/utils/dq-element.js b/lib/core/utils/dq-element.js
index 3cf790fe..47bcc64e 100644
--- a/lib/core/utils/dq-element.js
+++ b/lib/core/utils/dq-element.js
@@ -26,7 +26,11 @@ function getSource(element) {
   if (!source && typeof window.XMLSerializer === 'function') {
     source = new window.XMLSerializer().serializeToString(element);
   }
-  return truncate(source || '');
+  let htmlString = truncate(source || '');
+  // Remove unwanted attributes
+  const regex = /\s*data-percy-[^=]+="[^"]*"/g;
+  htmlString = htmlString.replace(regex, '');
+  return htmlString;
 }
 
 /**