diff --git a/ReadableStreamInterface.php b/ReadableStreamInterface.php
index 604d78f..312fc47 100644
--- a/ReadableStreamInterface.php
+++ b/ReadableStreamInterface.php
@@ -10,10 +10,11 @@
  * @event error
  * @event close
  */
-interface ReadableStreamInterface extends StreamInterface
+interface ReadableStreamInterface extends EventEmitterInterface
 {
     public function isReadable();
     public function pause();
     public function resume();
     public function pipe(WritableStreamInterface $dest, array $options = array());
+    public function close();
 }
diff --git a/StreamInterface.php b/StreamInterface.php
deleted file mode 100644
index ce94739..0000000
--- a/StreamInterface.php
+++ /dev/null
@@ -1,13 +0,0 @@
-<?php
-
-namespace React\Stream;
-
-use Evenement\EventEmitterInterface;
-
-// This class exists because ReadableStreamInterface and WritableStreamInterface
-//  both need close methods.
-// In PHP <= 5.3.8 a class can not implement 2 interfaces with coincidental matching methods
-interface StreamInterface extends EventEmitterInterface
-{
-    public function close();
-}
diff --git a/WritableStreamInterface.php b/WritableStreamInterface.php
index 0464366..84b93ee 100644
--- a/WritableStreamInterface.php
+++ b/WritableStreamInterface.php
@@ -10,9 +10,10 @@
  * @event close
  * @event pipe
  */
-interface WritableStreamInterface extends StreamInterface
+interface WritableStreamInterface extends EventEmitterInterface
 {
     public function isWritable();
     public function write($data);
     public function end($data = null);
+    public function close();
 }