diff --git a/media/base/mediaengine.cc b/media/base/mediaengine.cc
index 281ddbb76f..93d72c2e34 100644
--- a/media/base/mediaengine.cc
+++ b/media/base/mediaengine.cc
@@ -10,24 +10,6 @@
 
 #include "media/base/mediaengine.h"
 
-#if !defined(DISABLE_MEDIA_ENGINE_FACTORY)
-
-namespace cricket {
-
-MediaEngineFactory::MediaEngineCreateFunction
-    MediaEngineFactory::create_function_ = NULL;
-
-MediaEngineFactory::MediaEngineCreateFunction
-    MediaEngineFactory::SetCreateFunction(MediaEngineCreateFunction function) {
-  MediaEngineCreateFunction old_function = create_function_;
-  create_function_ = function;
-  return old_function;
-}
-
-};  // namespace cricket
-
-#endif  // DISABLE_MEDIA_ENGINE_FACTORY
-
 namespace cricket {
 
 webrtc::RtpParameters CreateRtpParametersWithOneEncoding() {
diff --git a/media/base/mediaengine.h b/media/base/mediaengine.h
index 483a96b7e8..fcb4ad97b7 100644
--- a/media/base/mediaengine.h
+++ b/media/base/mediaengine.h
@@ -29,10 +29,6 @@
 #include "media/base/videocommon.h"
 #include "rtc_base/platform_file.h"
 
-#if defined(GOOGLE_CHROME_BUILD) || defined(CHROMIUM_BUILD)
-#define DISABLE_MEDIA_ENGINE_FACTORY
-#endif
-
 namespace webrtc {
 class AudioDeviceModule;
 class AudioMixer;
@@ -91,24 +87,6 @@ class MediaEngineInterface {
 };
 
 
-#if !defined(DISABLE_MEDIA_ENGINE_FACTORY)
-class MediaEngineFactory {
- public:
-  typedef cricket::MediaEngineInterface* (*MediaEngineCreateFunction)();
-  // Creates a media engine, using either the compiled system default or the
-  // creation function specified in SetCreateFunction, if specified.
-  static MediaEngineInterface* Create();
-  // Sets the function used when calling Create. If unset, the compiled system
-  // default will be used. Returns the old create function, or NULL if one
-  // wasn't set. Likewise, NULL can be used as the |function| parameter to
-  // reset to the default behavior.
-  static MediaEngineCreateFunction SetCreateFunction(
-      MediaEngineCreateFunction function);
- private:
-  static MediaEngineCreateFunction create_function_;
-};
-#endif
-
 // CompositeMediaEngine constructs a MediaEngine from separate
 // voice and video engine classes.
 template <class VOICE, class VIDEO>