diff --git a/lib/workers/db-worker.js b/lib/workers/db-worker.js
index 3b973015b..62e182765 100644
--- a/lib/workers/db-worker.js
+++ b/lib/workers/db-worker.js
@@ -32,7 +32,6 @@ var ready = false;
 var store;
 var pinStore;
 var blobStore;
-var tasks;
 const init = function (config, _cb) {
     const cb = Util.once(Util.mkAsync(_cb));
     if (!config) {