diff --git a/subsystems/sidecar/lib/replicator.js b/subsystems/sidecar/lib/replicator.js
index 2b0951208..839f023ed 100644
--- a/subsystems/sidecar/lib/replicator.js
+++ b/subsystems/sidecar/lib/replicator.js
@@ -63,7 +63,7 @@ module.exports = class Replicator extends EventEmitter {
   }
 
   async _join (swarm, { announceSeeds, server, client }) {
-    let done = () => {}
+    let done = noop
     try {
       await this.drive.ready()
       if (this.drive.core.length === 0) done = this.drive.findingPeers()
@@ -178,3 +178,6 @@ module.exports = class Replicator extends EventEmitter {
     return keyPair
   }
 }
+
+function noop () {
+}