diff --git a/webrtc/BUILD.gn b/webrtc/BUILD.gn
index 36d9f9e749..640a6a0aa7 100644
--- a/webrtc/BUILD.gn
+++ b/webrtc/BUILD.gn
@@ -221,8 +221,6 @@ config("common_config") {
 
 config("common_objc") {
   libs = [ "Foundation.framework" ]
-  precompiled_header = "sdk/objc/WebRTC-Prefix.pch"
-  precompiled_source = "sdk/objc/WebRTC-Prefix.pch"
 }
 
 if (!build_with_chromium) {
diff --git a/webrtc/sdk/objc/Framework/Classes/RTCNSGLVideoView.m b/webrtc/sdk/objc/Framework/Classes/RTCNSGLVideoView.m
index 415efe8228..18dc4d1315 100644
--- a/webrtc/sdk/objc/Framework/Classes/RTCNSGLVideoView.m
+++ b/webrtc/sdk/objc/Framework/Classes/RTCNSGLVideoView.m
@@ -8,6 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#import <Foundation/Foundation.h>
+
 #if !TARGET_OS_IPHONE
 
 #import "WebRTC/RTCNSGLVideoView.h"
diff --git a/webrtc/sdk/objc/Framework/Classes/RTCShader.h b/webrtc/sdk/objc/Framework/Classes/RTCShader.h
index ac2d0f6ee0..c35a528b44 100644
--- a/webrtc/sdk/objc/Framework/Classes/RTCShader.h
+++ b/webrtc/sdk/objc/Framework/Classes/RTCShader.h
@@ -8,6 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#import <Foundation/Foundation.h>
+
 #import "RTCOpenGLDefines.h"
 
 @class RTCVideoFrame;
diff --git a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCNSGLVideoView.h b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCNSGLVideoView.h
index d9ed6fb9f2..34588dbe4c 100644
--- a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCNSGLVideoView.h
+++ b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCNSGLVideoView.h
@@ -8,6 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#import <Foundation/Foundation.h>
+
 #if !TARGET_OS_IPHONE
 
 #import <AppKit/NSOpenGLView.h>
diff --git a/webrtc/sdk/objc/WebRTC-Prefix.pch b/webrtc/sdk/objc/WebRTC-Prefix.pch
deleted file mode 100644
index c56cb48ab8..0000000000
--- a/webrtc/sdk/objc/WebRTC-Prefix.pch
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- *  Copyright 2016 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifdef __OBJC__
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-#if !defined(__has_feature) || !__has_feature(nullability)
-#error "This file requires nullability support."
-#endif
-
-#import <Foundation/Foundation.h>
-
-// The following nonnull macros were introduced in OSX SDK 10.10.3. However,
-// the bots appear to be running something older. We define them here if they
-// aren't already defined in NSObjCRuntime.h, which is included by
-// Foundation/Foundation.h.
-
-#if !defined(NS_ASSUME_NONNULL_BEGIN)
-#define NS_ASSUME_NONNULL_BEGIN
-#endif
-
-#if !defined(NS_ASSUME_NONNULL_END)
-#define NS_ASSUME_NONNULL_END
-#endif
-
-#endif  // __OBJC__