diff --git a/lib/bcoin/env.js b/lib/bcoin/env.js
index dad95e06..128cada5 100644
--- a/lib/bcoin/env.js
+++ b/lib/bcoin/env.js
@@ -170,19 +170,20 @@ function Environment() {
   this.account = this.wallet.Account;
   this.walletdb = require('./walletdb');
   this.path = this.walletdb.Path;
-  this.provider = this.walletdb.Provider;
   this.peer = require('./peer');
   this.pool = require('./pool');
   this.miner = require('./miner');
   this.minerblock = this.miner.MinerBlock;
   this.http = require('./http');
   this.workers = require('./workers');
+  this.sc = require('./sigcache');
 
-  this.sigcache = require('./sigcache')(0);
+  this.sigcache = new this.sc(0);
   this.time = new this.timedata();
   this.defaultLogger = new this.logger('none');
-  this.useWorkers = false;
   this.workerPool = new this.workers();
+
+  this.useWorkers = false;
   this.master = null;
 
   this.set({