diff --git a/gas-relayer/config/config.js b/gas-relayer/config/config.js
index 60d1703..6ca7d91 100644
--- a/gas-relayer/config/config.js
+++ b/gas-relayer/config/config.js
@@ -21,11 +21,6 @@ module.exports = {
             "powTime": 1000
         }
     },
-
-    "heartbeat": {
-        "enabled": true,
-        "symKey": "0xd0d905c1c62b810b787141430417caf2b3f54cffadb395b7bb39fdeb8f17266b"
-    },
     
     "tokens": {
         "0x0000000000000000000000000000000000000000": {