diff --git a/package.json b/package.json
index c04a4ed1..855a9b06 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,8 @@
   "main": "lib",
   "dependencies": {
     "flux": "2.0.3",
-    "transmitter": "1.0.2"
+    "transmitter": "1.0.2",
+    "warning": "2.0.0"
   },
   "devDependencies": {
     "alt-search-docs": "1.0.6",
diff --git a/src/alt/actions/index.js b/src/alt/actions/index.js
index 3aa77d91..bc9e43b8 100644
--- a/src/alt/actions/index.js
+++ b/src/alt/actions/index.js
@@ -40,15 +40,6 @@ export default function makeAction(alt, namespace, name, implementation, obj) {
       }
     }
 
-    if (!newAction.dispatched && result === undefined) {
-      /* istanbul ignore else */
-      /*eslint-disable*/
-      if (typeof console !== 'undefined') {
-        console.warn('An action was called but nothing was dispatched')
-      }
-      /*eslint-enable*/
-    }
-
     return result
   }
   action.defer = (...args) => {
diff --git a/src/alt/index.js b/src/alt/index.js
index 2ef48902..d8a9f861 100644
--- a/src/alt/index.js
+++ b/src/alt/index.js
@@ -6,6 +6,7 @@ import * as fn from '../utils/functions'
 import * as store from './store'
 import * as utils from './utils/AltUtils'
 import makeAction from './actions'
+import warning from 'warning'
 
 class Alt {
   constructor(config = {}) {
@@ -58,18 +59,15 @@ class Alt {
     /* istanbul ignore next */
     if (module.hot) delete this.stores[key]
 
-    if (this.stores[key] || !key) {
-      if (this.stores[key]) {
-        utils.warn(
-          `A store named ${key} already exists, double check your store ` +
-          `names or pass in your own custom identifier for each store`
-        )
-      } else {
-        utils.warn('Store name was not specified')
-      }
+    warning(
+      !this.stores.hasOwnProperty(key),
+      `A store named ${key} already exists, double check your store ` +
+        `names or pass in your own custom identifier for each store`
+    )
 
-      key = utils.uid(this.stores, key)
-    }
+    warning(key, 'Store name was not specified')
+
+    if (this.stores[key] || !key) key = utils.uid(this.stores, key)
 
     const storeInstance = fn.isFunction(Store)
       ? store.createStoreFromClass(this, Store, key, ...args)
diff --git a/src/alt/utils/AltUtils.js b/src/alt/utils/AltUtils.js
index ed293417..c3382a85 100644
--- a/src/alt/utils/AltUtils.js
+++ b/src/alt/utils/AltUtils.js
@@ -18,15 +18,6 @@ export function getInternalMethods(Obj, isProto) {
   }, {})
 }
 
-export function warn(msg) {
-  /* istanbul ignore else */
-  /*eslint-disable*/
-  if (typeof console !== 'undefined') {
-    console.warn(new ReferenceError(msg))
-  }
-  /*eslint-enable*/
-}
-
 export function uid(container, name) {
   let count = 0
   let key = name
diff --git a/test/es3-module-pattern.js b/test/es3-module-pattern.js
index a44d5efd..4d2da545 100644
--- a/test/es3-module-pattern.js
+++ b/test/es3-module-pattern.js
@@ -40,7 +40,7 @@ export default {
   'Creating store using ES3 module pattern': {
     beforeEach() {
       alt.recycle()
-      console.warn = function () { }
+      console.error = function () { }
     },
 
     'store method exists'() {
diff --git a/test/index.js b/test/index.js
index 2951aa47..a78c7498 100644
--- a/test/index.js
+++ b/test/index.js
@@ -365,7 +365,7 @@ NameStore.prototype.onUpdateName = function (name) {
 const nameStore1 = alt1.createStore(NameStore)
 const nameStore2 = alt2.createStore(NameStore)
 
-const consoleWarn = console.warn.bind(console)
+const consoleErr = console.error.bind(console)
 
 /* istanbul ignore next */
 const tests = {
@@ -374,7 +374,7 @@ const tests = {
     altInstance.recycle()
     alt1.recycle()
     alt2.recycle()
-    console.warn = consoleWarn
+    console.error = consoleErr
   },
 
   'alt instance'() {
diff --git a/test/stores-with-colliding-names.js b/test/stores-with-colliding-names.js
index d4f99456..a09370c0 100644
--- a/test/stores-with-colliding-names.js
+++ b/test/stores-with-colliding-names.js
@@ -7,10 +7,10 @@ const alt = new Alt()
 alt.createStore(function MyStore() { })
 
 export default {
-  'console warn for missing identifier': {
+  'console error for missing identifier': {
     beforeEach() {
-      console.warn = sinon.stub()
-      console.warn.returnsArg(0)
+      console.error = sinon.stub()
+      console.error.returnsArg(0)
     },
 
     'stores with colliding names'() {
@@ -20,7 +20,6 @@ export default {
       alt.createStore(MyStore)
 
       assert.isObject(alt.stores.MyStore1, 'a store was still created')
-
     },
 
     'colliding names via identifier'() {
@@ -37,8 +36,7 @@ export default {
     },
 
     afterEach() {
-      assert.ok(console.warn.calledOnce, 'the warning was called')
-      assert.instanceOf(console.warn.returnValues[0], ReferenceError, 'value returned is an instanceof referenceerror')
+      assert.ok(console.error.calledOnce, 'the erroring was called')
     },
   }
 }