diff --git a/api/controllers/blocks.js b/api/controllers/blocks.js
index 3c5c1110..7459d78c 100644
--- a/api/controllers/blocks.js
+++ b/api/controllers/blocks.js
@@ -9,7 +9,7 @@ var Block = bitcore.Block;
 
 var mockBlocks = require('../test/data/blocks');
 
-function Blocks() {}
+var Blocks = {};
 
 var node;
 Blocks.setNode = function(aNode) {
@@ -21,7 +21,7 @@ Blocks.setNode = function(aNode) {
 Blocks.blockHashParam = function(req, res, next, blockHash) {
   // TODO: fetch block from service
   var block = mockBlocks[blockHash];
-  
+
   if (_.isUndefined(block)) {
     res.status(404).send('Block with id ' + blockHash + ' not found');
     return;
@@ -34,7 +34,7 @@ Blocks.heightParam = function(req, res, next, height) {
   // TODO: fetch block from service
   height = parseInt(height);
   var block = mockBlocks[Object.keys(mockBlocks)[height]];
-  
+
   if (_.isUndefined(block)) {
     res.status(404).send('Block with height ' + height + ' not found');
     return;
diff --git a/api/controllers/node.js b/api/controllers/node.js
index 4985fd2b..cfecd62e 100644
--- a/api/controllers/node.js
+++ b/api/controllers/node.js
@@ -1,6 +1,6 @@
 'use strict';
 
-function NodeStatus() {}
+var NodeStatus = {};
 var node;
 NodeStatus.setNode = function(aNode) {
   node = aNode;