--- a/testing/marionette/accessibility.js
+++ b/testing/marionette/accessibility.js
@@ -223,17 +223,17 @@ Accessibility.prototype = {
     }
     if (element) {
       let {id, tagName, className} = element;
       message += `: id: ${id}, tagName: ${tagName}, className: ${className}`;
     }
     if (this.strict) {
       throw new ElementNotAccessibleError(message);
     }
-    logger.error(message);
+    logger.debug(message);
   },
 
   /**
    * Check if the element's visible state corresponds to its accessibility API
    * visibility
    * @param nsIAccessible object
    * @param WebElement corresponding to nsIAccessible object
    * @param Boolean visible element's visibility state