diff --git a/README.md b/README.md
index 6ec52b04..7613025f 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,6 @@ Table of Contents
      * [resolve()](#resolve)
      * [reject()](#reject)
      * [all()](#all)
-     * [race()](#race)
      * [any()](#any)
      * [some()](#some)
      * [map()](#map)
@@ -387,8 +386,8 @@ $promise->then(function ($value) {
 Useful functions for creating, joining, mapping and reducing collections of
 promises.
 
-All functions working on promise collections (like `all()`, `race()`, `some()`
-etc.) support cancellation. This means, if you call `cancel()` on the returned
+All functions working on promise collections (like `all()`, `some()` etc.) 
+support cancellation. This means, if you call `cancel()` on the returned
 promise, all promises in the collection are cancelled.
 
 #### resolve()
@@ -436,15 +435,6 @@ Returns a promise that will resolve only once all the items in
 will be an array containing the resolution values of each of the items in
 `$promisesOrValues`.
 
-#### race()
-
-```php
-$promise = React\Promise\race(array $promisesOrValues);
-```
-
-Initiates a competitive race that allows one winner. Returns a promise which is
-resolved in the same way the first settled promise resolves.
-
 #### any()
 
 ```php
diff --git a/src/functions.php b/src/functions.php
index 8eb82220..38b00b40 100644
--- a/src/functions.php
+++ b/src/functions.php
@@ -41,24 +41,6 @@ function all(array $promisesOrValues)
     });
 }
 
-function race(array $promisesOrValues)
-{
-    if (!$promisesOrValues) {
-        return resolve();
-    }
-
-    $cancellationQueue = new Internal\CancellationQueue();
-
-    return new Promise(function ($resolve, $reject) use ($promisesOrValues, $cancellationQueue) {
-        foreach ($promisesOrValues as $promiseOrValue) {
-            $cancellationQueue->enqueue($promiseOrValue);
-
-            resolve($promiseOrValue)
-                ->done($resolve, $reject);
-        }
-    }, $cancellationQueue);
-}
-
 function any(array $promisesOrValues)
 {
     return some($promisesOrValues, 1)
diff --git a/tests/FunctionRaceTest.php b/tests/FunctionRaceTest.php
deleted file mode 100644
index d8b531c6..00000000
--- a/tests/FunctionRaceTest.php
+++ /dev/null
@@ -1,156 +0,0 @@
-<?php
-
-namespace React\Promise;
-
-class FunctionRaceTest extends TestCase
-{
-    /** @test */
-    public function shouldResolveEmptyInput()
-    {
-        $mock = $this->createCallableMock();
-        $mock
-            ->expects($this->once())
-            ->method('__invoke')
-            ->with($this->identicalTo(null));
-
-        race(
-            []
-        )->then($mock);
-    }
-
-    /** @test */
-    public function shouldResolveValuesArray()
-    {
-        $mock = $this->createCallableMock();
-        $mock
-            ->expects($this->once())
-            ->method('__invoke')
-            ->with($this->identicalTo(1));
-
-        race(
-            [1, 2, 3]
-        )->then($mock);
-    }
-
-    /** @test */
-    public function shouldResolvePromisesArray()
-    {
-        $mock = $this->createCallableMock();
-        $mock
-            ->expects($this->once())
-            ->method('__invoke')
-            ->with($this->identicalTo(2));
-
-        $d1 = new Deferred();
-        $d2 = new Deferred();
-        $d3 = new Deferred();
-
-        race(
-            [$d1->promise(), $d2->promise(), $d3->promise()]
-        )->then($mock);
-
-        $d2->resolve(2);
-
-        $d1->resolve(1);
-        $d3->resolve(3);
-    }
-
-    /** @test */
-    public function shouldResolveSparseArrayInput()
-    {
-        $mock = $this->createCallableMock();
-        $mock
-            ->expects($this->once())
-            ->method('__invoke')
-            ->with($this->identicalTo(null));
-
-        race(
-            [null, 1, null, 2, 3]
-        )->then($mock);
-    }
-
-    /** @test */
-    public function shouldRejectIfFirstSettledPromiseRejects()
-    {
-        $mock = $this->createCallableMock();
-        $mock
-            ->expects($this->once())
-            ->method('__invoke')
-            ->with($this->identicalTo(2));
-
-        $d1 = new Deferred();
-        $d2 = new Deferred();
-        $d3 = new Deferred();
-
-        race(
-            [$d1->promise(), $d2->promise(), $d3->promise()]
-        )->then($this->expectCallableNever(), $mock);
-
-        $d2->reject(2);
-
-        $d1->resolve(1);
-        $d3->resolve(3);
-    }
-
-    /** @test */
-    public function shouldCancelInputArrayPromises()
-    {
-        $mock1 = $this
-            ->getMockBuilder('React\Promise\PromiseInterface')
-            ->getMock();
-        $mock1
-            ->expects($this->once())
-            ->method('cancel');
-
-        $mock2 = $this
-            ->getMockBuilder('React\Promise\PromiseInterface')
-            ->getMock();
-        $mock2
-            ->expects($this->once())
-            ->method('cancel');
-
-        race([$mock1, $mock2])->cancel();
-    }
-
-    /** @test */
-    public function shouldNotCancelOtherPendingInputArrayPromisesIfOnePromiseFulfills()
-    {
-        $mock = $this->createCallableMock();
-        $mock
-            ->expects($this->never())
-            ->method('__invoke');
-
-        $deferred = New Deferred($mock);
-        $deferred->resolve();
-
-        $mock2 = $this
-            ->getMockBuilder('React\Promise\PromiseInterface')
-            ->getMock();
-        $mock2
-            ->expects($this->never())
-            ->method('cancel');
-
-        race([$deferred->promise(), $mock2])->cancel();
-    }
-
-    /** @test */
-    public function shouldNotCancelOtherPendingInputArrayPromisesIfOnePromiseRejects()
-    {
-        $mock = $this->createCallableMock();
-        $mock
-            ->expects($this->never())
-            ->method('__invoke');
-
-        $deferred = New Deferred($mock);
-        $deferred->reject();
-
-        $mock2 = $this
-            ->getMockBuilder('React\Promise\PromiseInterface')
-            ->getMock();
-        $mock2
-            ->expects($this->never())
-            ->method('cancel');
-
-        race([$deferred->promise(), $mock2])->cancel();
-    }
-}