diff --git a/examples/context/server.js b/examples/context/server.js
index 000dd59..6f1a3cb 100644
--- a/examples/context/server.js
+++ b/examples/context/server.js
@@ -1,6 +1,5 @@
 'use strict';
 
-const _ = require('lodash');
 const jayson = require('jayson');
 const jsonParser = require('body-parser').json;
 const express = require('express');
diff --git a/examples/faq_recommended_http_server/server.js b/examples/faq_recommended_http_server/server.js
index 8e3f3b4..8ccfbc8 100644
--- a/examples/faq_recommended_http_server/server.js
+++ b/examples/faq_recommended_http_server/server.js
@@ -1,6 +1,5 @@
 'use strict';
 
-const _ = require('lodash');
 const jayson = require('jayson');
 const jsonParser = require('body-parser').json;
 const express = require('express');
@@ -9,7 +8,7 @@ const app = express();
 // create a plain jayson server
 const server = new jayson.server({
   add: function(numbers, callback) {
-    callback(null, _.reduce(numbers, (sum, val) => sum + val, 0));
+    callback(null, Object.keys(numbers).reduce((sum, key) => sum + numbers[key], 0));
   }
 });
 
diff --git a/examples/method_definitions/server.js b/examples/method_definitions/server.js
index 028f1d9..683c575 100644
--- a/examples/method_definitions/server.js
+++ b/examples/method_definitions/server.js
@@ -1,7 +1,6 @@
 'use strict';
 
 const jayson = require('jayson');
-const _ = require('lodash');
 
 const methods = {
 
@@ -27,7 +26,7 @@ const methods = {
   // this method returns true when it gets an array (which it always does)
   isArray: new jayson.Method({
     handler: function(args, done) {
-      const result = _.isArray(args);
+      const result = Array.isArray(args);
       done(null, result);
     },
     params: Array // could also be "Object"
@@ -46,7 +45,8 @@ server.http().listen(3000);
 
 // sums all numbers in an array or object
 function sum(list) {
-  return _.reduce(list, function(sum, val) {
+  return Object.keys(list).reduce(function(sum, key) {
+    const val = list[key];
     return sum + val;
   }, 0);
 }
diff --git a/examples/method_wrapping/server.js b/examples/method_wrapping/server.js
index 2b51a20..4359c46 100644
--- a/examples/method_wrapping/server.js
+++ b/examples/method_wrapping/server.js
@@ -1,11 +1,10 @@
 'use strict';
 
 const jayson = require('jayson');
-const _ = require('lodash');
 
 const server = new jayson.server({
   add: validateReturnsNumber(function (args, done) {
-    const result = _.reduce(args, (sum, val) => sum + val, 0);
+    const result = Object.keys(args).reduce((sum, key) => sum + args[key], 0);
     done(null, result);
   }),
 });
@@ -18,7 +17,7 @@ function validateReturnsNumber (fn) {
     const self = this;
     return fn(args, function (err, result) {
       if (err) return done(err);
-      if (!_.isFinite(result)) {
+      if (!isFinite(result)) {
         return done(self.error(500, 'not a finite number'));
       }
       return done(null, result);
diff --git a/examples/promise/server.js b/examples/promise/server.js
index 95fcfdf..d0fed67 100644
--- a/examples/promise/server.js
+++ b/examples/promise/server.js
@@ -1,12 +1,11 @@
 'use strict';
 
 const jayson = require('jayson/promise');
-const _ = require('lodash');
 
 const server = new jayson.server({
 
   add: async function(args) {
-    const sum = _.reduce(args, function(sum, value) { return sum + value; }, 0);
+    const sum = Object.keys(args).reduce((sum, key) => sum + args[key], 0);
     return sum;
   },
 
diff --git a/examples/promise_batches/server.js b/examples/promise_batches/server.js
index e7afdd9..9f7a3bc 100644
--- a/examples/promise_batches/server.js
+++ b/examples/promise_batches/server.js
@@ -1,13 +1,12 @@
 'use strict';
 
 const jayson = require('jayson/promise');
-const _ = require('lodash');
 
 const server = new jayson.server({
 
   add: function(args) {
     return new Promise(function(resolve, reject) {
-      const sum = _.reduce(args, function(sum, value) { return sum + value; }, 0);
+      const sum = Object.keys(args).reduce((sum, value) => sum + value, 0);
       resolve(sum);
     });
   }
diff --git a/test/promise.test.js b/test/promise.test.js
index 4f01416..de1628b 100644
--- a/test/promise.test.js
+++ b/test/promise.test.js
@@ -1,6 +1,5 @@
 'use strict';
 
-const reduce = require('lodash/reduce');
 const should = require('should');
 const fetch = require('node-fetch');
 const jayson = require('./../promise');
@@ -273,7 +272,7 @@ describe('jayson/promise', function() {
         const handlers = {
           sum: function(args) {
             return new Promise(function(resolve, reject) {
-              const sum = reduce(args, function(sum, arg) { return sum + arg; }, 0);
+              const sum = Object.keys(args).reduce((sum, key) => sum + args[key], 0);
               resolve(sum);
             });
           },
@@ -286,7 +285,7 @@ describe('jayson/promise', function() {
           // returns a "Promise-like" object
           thenable: function(args) {
             return {then: function(resolve, reject) {
-              const sum = reduce(args, function(sum, arg) { return sum + arg; }, 0);
+              const sum = Object.keys(args).reduce((sum, key) => sum + args[key], 0);
               resolve(sum);
             }};
           }
diff --git a/test/support/index.js b/test/support/index.js
index c34a37f..eeb46f6 100644
--- a/test/support/index.js
+++ b/test/support/index.js
@@ -1,8 +1,5 @@
 'use strict';
 
-const reduce = require('lodash/reduce');
-const isArray = require('lodash/isArray');
-const isNumber = require('lodash/isNumber');
 const should = require('should');
 const jayson = require('./../../');
 const fs = require('fs');
@@ -27,7 +24,7 @@ exports.server.methods = () => ({
   },
 
   incrementCounterBy: function(args, callback) {
-    const {counter, value} = isArray(args) ? {counter: args[0], value: args[1]} : args;
+    const {counter, value} = Array.isArray(args) ? {counter: args[0], value: args[1]} : args;
     if(!(counter instanceof exports.Counter)) {
       return callback(this.error(-1000, 'Argument not an instance of Counter'));
     }
@@ -36,7 +33,7 @@ exports.server.methods = () => ({
   },
 
   add: function(args, callback) {
-    const result = reduce(args, (sum, arg) => isNumber(arg) ? sum + arg : sum, 0);
+    const result = Object.keys(args).reduce((sum, key) => sum + (typeof args[key] === 'number' ? args[key] : 0), 0);
     callback(null, result);
   },
 
diff --git a/typescript/test.ts b/typescript/test.ts
index 88e78bf..ff7f53b 100644
--- a/typescript/test.ts
+++ b/typescript/test.ts
@@ -2,7 +2,6 @@ import * as jayson from './..';
 import * as jaysonPromise from './../promise';
 import jaysonBrowserClient from './../lib/client/browser';
 import jaysonPromiseBrowserClient from './../promise/lib/client/browser';
-import { reduce, isArray } from 'lodash';
 import { Express } from 'express-serve-static-core';
 import WebSocket from 'isomorphic-ws';
 
@@ -167,7 +166,7 @@ export function test_example_10() {
 
     add: function(args:any) {
       return new Promise(function(resolve, reject) {
-        const sum = reduce(args, function(sum:number, value:number) { return sum + value; }, 0);
+        const sum = Object.keys(args).reduce((sum, key) => sum + args[key], 0);
         resolve(sum);
       });
     }
@@ -312,7 +311,7 @@ export function test_example_17() {
     // this method returns true when it gets an array (which it always does)
     isArray: new jayson.Method({
       handler: function(args:any, done:any) {
-        const result = isArray(args);
+        const result = Array.isArray(args);
         done(null, result);
       },
       params: Array // could also be "Object"
@@ -329,7 +328,8 @@ export function test_example_17() {
 
   // sums all numbers in an array
   function sum(list:any) {
-    return reduce(list, function(sum:any, val:any) {
+    return Object.keys(list).reduce(function(sum:any, key:string) {
+      const val = list[key];
       return sum + val;
     }, 0);
   }
@@ -390,7 +390,7 @@ export function test_example_21() {
 
     add: function(args:any) {
       return new Promise(function(resolve, reject) {
-        const sum = reduce(args, function(sum:any, value:any) { return sum + value; }, 0);
+        const sum = Object.keys(args).reduce((sum, key) => sum + args[key], 0);
         resolve(sum);
       });
     },