diff --git a/lighthouse-core/lib/lh-error.js b/lighthouse-core/lib/lh-error.js
index e7d71d8a2429..11692a73da53 100644
--- a/lighthouse-core/lib/lh-error.js
+++ b/lighthouse-core/lib/lh-error.js
@@ -120,10 +120,7 @@ class LighthouseError extends Error {
     // if we find one, use the friendly LighthouseError definition
     const matchedErrorDefinition = protocolErrors.find(e => e.pattern.test(protocolError.message));
     if (matchedErrorDefinition) {
-      return new LighthouseError(matchedErrorDefinition, {
-        protocolMethod: method,
-        protocolError: protocolError.message,
-      });
+      return new LighthouseError(matchedErrorDefinition);
     }
 
     // otherwise fallback to building a generic Error