diff --git a/index.js b/index.js
index 29b3719..3108c24 100644
--- a/index.js
+++ b/index.js
@@ -1,6 +1,5 @@
 'use strict';
 
-const typeOf = require('kind-of');
 const Emitter = require('@sellside/emitter');
 const visit = require('collection-visit');
 const hasOwn = require('has-own-deep');
@@ -375,7 +374,7 @@ function isString(value) {
  */
 
 function isObject(value) {
-  return typeOf(value) === 'object';
+  return value && typeof value === 'object';
 }
 
 /**
diff --git a/package.json b/package.json
index 45559b5..4382a31 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,6 @@
     "collection-visit": "^1.0.0",
     "get-value": "^3.0.1",
     "has-own-deep": "^1.1.0",
-    "kind-of": "^6.0.2",
     "set-value": "^3.0.0",
     "union-value": "^1.0.0",
     "unset-value": "^1.0.0"