diff --git a/package.json b/package.json
index a291509fcb..66981b7906 100644
--- a/package.json
+++ b/package.json
@@ -81,5 +81,11 @@
         "*.js"
       ]
     }
-  ]
+  ],
+  "dependencies": {
+    "@f/compose": "^0.1.2",
+    "@f/is-object": "^1.1.2",
+    "@f/map-obj": "^1.2.2",
+    "@f/pick": "^1.1.2"
+  }
 }
diff --git a/src/createStore.js b/src/createStore.js
index b46ff9554b..84aa948fd7 100644
--- a/src/createStore.js
+++ b/src/createStore.js
@@ -1,4 +1,4 @@
-import isPlainObject from './utils/isPlainObject'
+import isPlainObject from '@f/is-object'
 
 /**
  * These are private action types reserved by Redux.
diff --git a/src/index.js b/src/index.js
index 1b11c79714..72a3525299 100644
--- a/src/index.js
+++ b/src/index.js
@@ -2,7 +2,7 @@ import createStore from './createStore'
 import combineReducers from './utils/combineReducers'
 import bindActionCreators from './utils/bindActionCreators'
 import applyMiddleware from './utils/applyMiddleware'
-import compose from './utils/compose'
+import compose from '@f/compose'
 
 export {
   createStore,
diff --git a/src/utils/applyMiddleware.js b/src/utils/applyMiddleware.js
index 35846b66fb..36e0a0d491 100644
--- a/src/utils/applyMiddleware.js
+++ b/src/utils/applyMiddleware.js
@@ -1,4 +1,4 @@
-import compose from './compose'
+import compose from '@f/compose'
 
 /**
  * Creates a store enhancer that applies middleware to the dispatch method
diff --git a/src/utils/bindActionCreators.js b/src/utils/bindActionCreators.js
index 111c426f0b..225971cbf3 100644
--- a/src/utils/bindActionCreators.js
+++ b/src/utils/bindActionCreators.js
@@ -1,4 +1,4 @@
-import mapValues from './mapValues'
+import mapValues from '@f/map-obj'
 
 function bindActionCreator(actionCreator, dispatch) {
   return (...args) => dispatch(actionCreator(...args))
@@ -37,7 +37,7 @@ export default function bindActionCreators(actionCreators, dispatch) {
     )
   }
 
-  return mapValues(actionCreators, actionCreator =>
+  return mapValues(actionCreator =>
     bindActionCreator(actionCreator, dispatch)
-  )
+  , actionCreators)
 }
diff --git a/src/utils/combineReducers.js b/src/utils/combineReducers.js
index 49cfd386c2..21f87b7d8c 100644
--- a/src/utils/combineReducers.js
+++ b/src/utils/combineReducers.js
@@ -1,7 +1,7 @@
 import { ActionTypes } from '../createStore'
-import isPlainObject from './isPlainObject'
-import mapValues from './mapValues'
-import pick from './pick'
+import isPlainObject from '@f/is-object'
+import mapValues from '@f/map-obj'
+import pick from '@f/pick'
 
 /* eslint-disable no-console */
 
@@ -95,7 +95,7 @@ function assertReducerSanity(reducers) {
  */
 
 export default function combineReducers(reducers) {
-  var finalReducers = pick(reducers, (val) => typeof val === 'function')
+  var finalReducers = pick((val) => typeof val === 'function', reducers)
   var sanityError
 
   try {
@@ -117,7 +117,7 @@ export default function combineReducers(reducers) {
     }
 
     var hasChanged = false
-    var finalState = mapValues(finalReducers, (reducer, key) => {
+    var finalState = mapValues((reducer, key) => {
       var previousStateForKey = state[key]
       var nextStateForKey = reducer(previousStateForKey, action)
       if (typeof nextStateForKey === 'undefined') {
@@ -126,7 +126,7 @@ export default function combineReducers(reducers) {
       }
       hasChanged = hasChanged || nextStateForKey !== previousStateForKey
       return nextStateForKey
-    })
+    }, finalReducers)
 
     return hasChanged ? finalState : state
   }
diff --git a/src/utils/compose.js b/src/utils/compose.js
deleted file mode 100644
index d26752b712..0000000000
--- a/src/utils/compose.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/**
- * Composes single-argument functions from right to left.
- *
- * @param {...Function} funcs The functions to compose.
- * @returns {Function} A function obtained by composing functions from right to
- * left. For example, compose(f, g, h) is identical to arg => f(g(h(arg))).
- */
-export default function compose(...funcs) {
-  return (...args) => {
-    if (funcs.length === 0) {
-      return args[0]
-    }
-
-    const last = funcs[funcs.length - 1]
-    const rest = funcs.slice(0, -1)
-
-    return rest.reduceRight((composed, f) => f(composed), last(...args))
-  }
-}
diff --git a/src/utils/isPlainObject.js b/src/utils/isPlainObject.js
deleted file mode 100644
index 3921c3045c..0000000000
--- a/src/utils/isPlainObject.js
+++ /dev/null
@@ -1,24 +0,0 @@
-var fnToString = (fn) => Function.prototype.toString.call(fn)
-var objStringValue = fnToString(Object)
-
-/**
- * @param {any} obj The object to inspect.
- * @returns {boolean} True if the argument appears to be a plain object.
- */
-export default function isPlainObject(obj) {
-  if (!obj || typeof obj !== 'object') {
-    return false
-  }
-
-  var proto = typeof obj.constructor === 'function' ? Object.getPrototypeOf(obj) : Object.prototype
-
-  if (proto === null) {
-    return true
-  }
-
-  var constructor = proto.constructor
-
-  return typeof constructor === 'function'
-    && constructor instanceof constructor
-    && fnToString(constructor) === objStringValue
-}
diff --git a/src/utils/mapValues.js b/src/utils/mapValues.js
deleted file mode 100644
index 165d6667ad..0000000000
--- a/src/utils/mapValues.js
+++ /dev/null
@@ -1,13 +0,0 @@
-/**
- * Applies a function to every key-value pair inside an object.
- *
- * @param {Object} obj The source object.
- * @param {Function} fn The mapper function that receives the value and the key.
- * @returns {Object} A new object that contains the mapped values for the keys.
- */
-export default function mapValues(obj, fn) {
-  return Object.keys(obj).reduce((result, key) => {
-    result[key] = fn(obj[key], key)
-    return result
-  }, {})
-}
diff --git a/src/utils/pick.js b/src/utils/pick.js
deleted file mode 100644
index a61e1f1e7b..0000000000
--- a/src/utils/pick.js
+++ /dev/null
@@ -1,15 +0,0 @@
-/**
- * Picks key-value pairs from an object where values satisfy a predicate.
- *
- * @param {Object} obj The object to pick from.
- * @param {Function} fn The predicate the values must satisfy to be copied.
- * @returns {Object} The object with the values that satisfied the predicate.
- */
-export default function pick(obj, fn) {
-  return Object.keys(obj).reduce((result, key) => {
-    if (fn(obj[key])) {
-      result[key] = obj[key]
-    }
-    return result
-  }, {})
-}
diff --git a/test/utils/isPlainObject.spec.js b/test/utils/isPlainObject.spec.js
index 3314c5ff6e..f71554a5cf 100644
--- a/test/utils/isPlainObject.spec.js
+++ b/test/utils/isPlainObject.spec.js
@@ -1,5 +1,5 @@
 import expect from 'expect'
-import isPlainObject from '../../src/utils/isPlainObject'
+import isPlainObject from '@f/is-object'
 import vm from 'vm'
 
 describe('isPlainObject', () => {
diff --git a/test/utils/mapValues.spec.js b/test/utils/mapValues.spec.js
index 3aef6fe3b6..16b9374a01 100644
--- a/test/utils/mapValues.spec.js
+++ b/test/utils/mapValues.spec.js
@@ -1,5 +1,5 @@
 import expect from 'expect'
-import mapValues from '../../src/utils/mapValues'
+import mapValues from '@f/map-obj'
 
 describe('mapValues', () => {
   it('returns object with mapped values', () => {
@@ -7,7 +7,8 @@ describe('mapValues', () => {
       a: 'c',
       b: 'd'
     }
-    expect(mapValues(test, (val, key) => val + key)).toEqual({
+
+    expect(mapValues((val, key) => val + key, test)).toEqual({
       a: 'ca',
       b: 'db'
     })
diff --git a/test/utils/pick.spec.js b/test/utils/pick.spec.js
index 745ba72c29..314b75ae32 100644
--- a/test/utils/pick.spec.js
+++ b/test/utils/pick.spec.js
@@ -1,5 +1,5 @@
 import expect from 'expect'
-import pick from '../../src/utils/pick'
+import pick from '@f/pick'
 
 describe('pick', () => {
   it('returns object with picked values', () => {
@@ -8,7 +8,7 @@ describe('pick', () => {
       age: 20
     }
     expect(
-      pick(test, x => typeof x === 'string')
+      pick(x => typeof x === 'string', test)
     ).toEqual({
       name: 'lily'
     })