diff --git a/src/bot_detector.js b/src/bot_detector.js
index 4e05e4a..1b34ccf 100644
--- a/src/bot_detector.js
+++ b/src/bot_detector.js
@@ -11,8 +11,6 @@ module.exports = (config) => {
         },
         count: [],
         regex: null,
-        knownBots: [],
-        known: [],
     };
 
     const fetchList = (cb) => {