diff --git a/lib/bcoin/chain.js b/lib/bcoin/chain.js
index 1a71a311..f8c9c3ba 100644
--- a/lib/bcoin/chain.js
+++ b/lib/bcoin/chain.js
@@ -67,7 +67,6 @@ function Chain(options) {
 
   this.network = bcoin.network.get(options.network);
   this.logger = options.logger || bcoin.defaultLogger;
-  this.profiler = options.profiler;
   this.db = new bcoin.chaindb(this, options);
   this.total = 0;
   this.currentBlock = null;
@@ -221,9 +220,6 @@ Chain.prototype._open = function open(callback) {
           self.network.updateHeight(tip.height);
         }
 
-        if (self.profiler)
-          self.profiler.snapshot();
-
         self.logger.memory();
 
         self.getInitialState(function(err) {
@@ -236,9 +232,6 @@ Chain.prototype._open = function open(callback) {
           if (self.segwitActive)
             self.logger.info('Segwit is active.');
 
-          if (self.profiler)
-            self.profiler.snapshot();
-
           self.logger.memory();
 
           self.emit('tip', tip);
@@ -1542,11 +1535,9 @@ Chain.prototype.add = function add(block, callback, force) {
     // Keep track of total blocks handled.
     self.total += total;
 
-    // Take heap snapshot for debugging.
+    // Report memory for debugging.
     if (self.total === 1 || self.total % 20 === 0) {
       utils.gc();
-      if (self.profiler)
-        self.profiler.snapshot();
       self.logger.memory();
     }
 
diff --git a/lib/bcoin/node.js b/lib/bcoin/node.js
index 53270c11..b2a0ebd6 100644
--- a/lib/bcoin/node.js
+++ b/lib/bcoin/node.js
@@ -10,7 +10,6 @@
 var bcoin = require('./env');
 var AsyncObject = require('./async');
 var utils = require('./utils');
-var Profiler;
 
 /**
  * Base class from which every other
@@ -35,7 +34,6 @@ function Node(options) {
 
   this.logger = options.logger;
   this.db = options.db;
-  this.profiler = null;
   this.mempool = null;
   this.pool = null;
   this.chain = null;
@@ -53,11 +51,6 @@ function Node(options) {
     });
   }
 
-  if (options.profile && !utils.isBrowser) {
-    Profiler = require('./prof' + 'iler');
-    this.profiler = new Profiler(this.prefix);
-  }
-
   this.__init();
 }
 
@@ -173,6 +166,8 @@ Node.prototype._parseOptions = function _parseOptions(options) {
 
   options = utils.merge({}, options);
 
+  options.network = bcoin.network.get(options.network);
+
   if (process.env.BCOIN_PREFIX != null)
     options.prefix = process.env.BCOIN_PREFIX;
 
@@ -194,9 +189,6 @@ Node.prototype._parseOptions = function _parseOptions(options) {
   if (process.env.BCOIN_SEED != null)
     options.preferredSeed = process.env.BCOIN_SEED;
 
-  if (process.env.BCOIN_PROFILE != null)
-    options.profile = +process.env.BCOIN_PROFILE === 1;
-
   if (!options.prefix)
     options.prefix = utils.HOME + '/.bcoin';
 
@@ -207,8 +199,8 @@ Node.prototype._parseOptions = function _parseOptions(options) {
 
   if (options.logFile && typeof options.logFile !== 'string') {
     options.logFile = options.prefix;
-    if (options.network !== 'main')
-      options.logFile += '/' + options.network;
+    if (options.network.type !== 'main')
+      options.logFile += '/' + options.network.type;
     options.logFile += '/debug.log';
   }
 
diff --git a/package.json b/package.json
index 86a388de..d5249ca9 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,6 @@
     "jsdoc": "3.4.0",
     "level-js": "2.2.4",
     "mocha": "2.4.5",
-    "uglify-js": "2.6.1",
-    "v8-profiler": "5.6.1"
+    "uglify-js": "2.6.1"
   }
 }