diff --git a/examples/objc/AppRTCMobile/ARDVideoEncoderFactory.m b/examples/objc/AppRTCMobile/ARDVideoEncoderFactory.m
index b1163c4ff8..d6ca592548 100644
--- a/examples/objc/AppRTCMobile/ARDVideoEncoderFactory.m
+++ b/examples/objc/AppRTCMobile/ARDVideoEncoderFactory.m
@@ -21,11 +21,11 @@
 @synthesize preferredCodec;
 
 - (id<RTCVideoEncoder>)createEncoder:(RTCVideoCodecInfo *)info {
-  if ([info.name isEqualToString:kVideoCodecH264Name]) {
+  if ([info.name isEqualToString:kRTCVideoCodecH264Name]) {
     return [[RTCVideoEncoderH264 alloc] initWithCodecInfo:info];
-  } else if ([info.name isEqualToString:kVideoCodecVp8Name]) {
+  } else if ([info.name isEqualToString:kRTCVideoCodecVp8Name]) {
     return [RTCVideoEncoderVP8 vp8Encoder];
-  } else if ([info.name isEqualToString:kVideoCodecVp9Name]) {
+  } else if ([info.name isEqualToString:kRTCVideoCodecVp9Name]) {
     return [RTCVideoEncoderVP9 vp9Encoder];
   }
 
@@ -36,30 +36,31 @@
   NSMutableArray<RTCVideoCodecInfo *> *codecs = [NSMutableArray array];
 
   NSDictionary<NSString *, NSString *> *constrainedHighParams = @{
-    @"profile-level-id" : kLevel31ConstrainedHigh,
+    @"profile-level-id" : kRTCLevel31ConstrainedHigh,
     @"level-asymmetry-allowed" : @"1",
     @"packetization-mode" : @"1",
   };
   RTCVideoCodecInfo *constrainedHighInfo =
-      [[RTCVideoCodecInfo alloc] initWithName:kVideoCodecH264Name parameters:constrainedHighParams];
+      [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecH264Name
+                                   parameters:constrainedHighParams];
   [codecs addObject:constrainedHighInfo];
 
   NSDictionary<NSString *, NSString *> *constrainedBaselineParams = @{
-    @"profile-level-id" : kLevel31ConstrainedBaseline,
+    @"profile-level-id" : kRTCLevel31ConstrainedBaseline,
     @"level-asymmetry-allowed" : @"1",
     @"packetization-mode" : @"1",
   };
   RTCVideoCodecInfo *constrainedBaselineInfo =
-      [[RTCVideoCodecInfo alloc] initWithName:kVideoCodecH264Name
+      [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecH264Name
                                    parameters:constrainedBaselineParams];
   [codecs addObject:constrainedBaselineInfo];
 
   RTCVideoCodecInfo *vp8Info =
-      [[RTCVideoCodecInfo alloc] initWithName:kVideoCodecVp8Name parameters:nil];
+      [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecVp8Name parameters:nil];
   [codecs addObject:vp8Info];
 
   RTCVideoCodecInfo *vp9Info =
-      [[RTCVideoCodecInfo alloc] initWithName:kVideoCodecVp9Name parameters:nil];
+      [[RTCVideoCodecInfo alloc] initWithName:kRTCVideoCodecVp9Name parameters:nil];
   [codecs addObject:vp9Info];
 
   NSMutableArray<RTCVideoCodecInfo *> *orderedCodecs = [NSMutableArray array];
diff --git a/sdk/objc/Framework/Classes/PeerConnection/RTCVideoCodec.mm b/sdk/objc/Framework/Classes/PeerConnection/RTCVideoCodec.mm
index 2a49189dfd..8886209fa1 100644
--- a/sdk/objc/Framework/Classes/PeerConnection/RTCVideoCodec.mm
+++ b/sdk/objc/Framework/Classes/PeerConnection/RTCVideoCodec.mm
@@ -14,11 +14,11 @@
 #import "RTCVideoCodec+Private.h"
 #import "WebRTC/RTCVideoCodecFactory.h"
 
-NSString *const kVideoCodecVp8Name = @"VP8";
-NSString *const kVideoCodecVp9Name = @"VP9";
-NSString *const kVideoCodecH264Name = @"H264";
-NSString *const kLevel31ConstrainedHigh = @"640c1f";
-NSString *const kLevel31ConstrainedBaseline = @"42e01f";
+NSString *const kRTCVideoCodecVp8Name = @"VP8";
+NSString *const kRTCVideoCodecVp9Name = @"VP9";
+NSString *const kRTCVideoCodecH264Name = @"H264";
+NSString *const kRTCLevel31ConstrainedHigh = @"640c1f";
+NSString *const kRTCLevel31ConstrainedBaseline = @"42e01f";
 
 @implementation RTCVideoCodecInfo
 
diff --git a/sdk/objc/Framework/Classes/PeerConnection/RTCVideoCodecH264.mm b/sdk/objc/Framework/Classes/PeerConnection/RTCVideoCodecH264.mm
index d7f9c19a73..f862453b5f 100644
--- a/sdk/objc/Framework/Classes/PeerConnection/RTCVideoCodecH264.mm
+++ b/sdk/objc/Framework/Classes/PeerConnection/RTCVideoCodecH264.mm
@@ -33,7 +33,7 @@ bool IsHighProfileEnabled() {
 - (webrtc::CodecSpecificInfo)nativeCodecSpecificInfo {
   webrtc::CodecSpecificInfo codecSpecificInfo;
   codecSpecificInfo.codecType = webrtc::kVideoCodecH264;
-  codecSpecificInfo.codec_name = [kVideoCodecH264Name cStringUsingEncoding:NSUTF8StringEncoding];
+  codecSpecificInfo.codec_name = [kRTCVideoCodecH264Name cStringUsingEncoding:NSUTF8StringEncoding];
   codecSpecificInfo.codecSpecific.H264.packetization_mode =
       (webrtc::H264PacketizationMode)_packetizationMode;
 
@@ -47,11 +47,11 @@ bool IsHighProfileEnabled() {
 
 - (NSArray<RTCVideoCodecInfo *> *)supportedCodecs {
   NSMutableArray<RTCVideoCodecInfo *> *codecs = [NSMutableArray array];
-  NSString *codecName = kVideoCodecH264Name;
+  NSString *codecName = kRTCVideoCodecH264Name;
 
   if (IsHighProfileEnabled()) {
     NSDictionary<NSString *, NSString *> *constrainedHighParams = @{
-      @"profile-level-id" : kLevel31ConstrainedHigh,
+      @"profile-level-id" : kRTCLevel31ConstrainedHigh,
       @"level-asymmetry-allowed" : @"1",
       @"packetization-mode" : @"1",
     };
@@ -61,7 +61,7 @@ bool IsHighProfileEnabled() {
   }
 
   NSDictionary<NSString *, NSString *> *constrainedBaselineParams = @{
-    @"profile-level-id" : kLevel31ConstrainedBaseline,
+    @"profile-level-id" : kRTCLevel31ConstrainedBaseline,
     @"level-asymmetry-allowed" : @"1",
     @"packetization-mode" : @"1",
   };
@@ -86,7 +86,7 @@ bool IsHighProfileEnabled() {
 }
 
 - (NSArray<RTCVideoCodecInfo *> *)supportedCodecs {
-  NSString *codecName = kVideoCodecH264Name;
+  NSString *codecName = kRTCVideoCodecH264Name;
   return @[ [[RTCVideoCodecInfo alloc] initWithName:codecName parameters:nil] ];
 }
 
diff --git a/sdk/objc/Framework/Classes/VideoToolbox/RTCVideoEncoderH264.mm b/sdk/objc/Framework/Classes/VideoToolbox/RTCVideoEncoderH264.mm
index 79eb76398d..5b08e74b71 100644
--- a/sdk/objc/Framework/Classes/VideoToolbox/RTCVideoEncoderH264.mm
+++ b/sdk/objc/Framework/Classes/VideoToolbox/RTCVideoEncoderH264.mm
@@ -304,7 +304,7 @@ CFStringRef ExtractProfile(webrtc::SdpVideoFormat videoFormat) {
     _packetizationMode = RTCH264PacketizationModeNonInterleaved;
     _profile = ExtractProfile([codecInfo nativeSdpVideoFormat]);
     LOG(LS_INFO) << "Using profile " << CFStringToString(_profile);
-    RTC_CHECK([codecInfo.name isEqualToString:kVideoCodecH264Name]);
+    RTC_CHECK([codecInfo.name isEqualToString:kRTCVideoCodecH264Name]);
 
 #if defined(WEBRTC_IOS)
     [RTCUIApplicationStatusObserver prepareForUse];
@@ -320,7 +320,7 @@ CFStringRef ExtractProfile(webrtc::SdpVideoFormat videoFormat) {
 - (NSInteger)startEncodeWithSettings:(RTCVideoEncoderSettings *)settings
                        numberOfCores:(int)numberOfCores {
   RTC_DCHECK(settings);
-  RTC_DCHECK([settings.name isEqualToString:kVideoCodecH264Name]);
+  RTC_DCHECK([settings.name isEqualToString:kRTCVideoCodecH264Name]);
 
   _width = settings.width;
   _height = settings.height;
diff --git a/sdk/objc/Framework/Classes/VideoToolbox/objc_video_encoder_factory.mm b/sdk/objc/Framework/Classes/VideoToolbox/objc_video_encoder_factory.mm
index d7601cf3fa..9e76626b7d 100644
--- a/sdk/objc/Framework/Classes/VideoToolbox/objc_video_encoder_factory.mm
+++ b/sdk/objc/Framework/Classes/VideoToolbox/objc_video_encoder_factory.mm
@@ -145,7 +145,7 @@ VideoEncoderFactory::CodecInfo ObjCVideoEncoderFactory::QueryVideoEncoder(
   // TODO(andersc): This is a hack until we figure out how this should be done properly.
   NSString *formatName = [NSString stringForStdString:format.name];
   NSSet *wrappedSoftwareFormats =
-      [NSSet setWithObjects:kVideoCodecVp8Name, kVideoCodecVp9Name, nil];
+      [NSSet setWithObjects:kRTCVideoCodecVp8Name, kRTCVideoCodecVp9Name, nil];
 
   CodecInfo codec_info;
   codec_info.is_hardware_accelerated = ![wrappedSoftwareFormats containsObject:formatName];
diff --git a/sdk/objc/Framework/Headers/WebRTC/RTCVideoCodec.h b/sdk/objc/Framework/Headers/WebRTC/RTCVideoCodec.h
index 59c69e0e0b..ab17ce4fc8 100644
--- a/sdk/objc/Framework/Headers/WebRTC/RTCVideoCodec.h
+++ b/sdk/objc/Framework/Headers/WebRTC/RTCVideoCodec.h
@@ -15,11 +15,11 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-RTC_EXPORT extern NSString *const kVideoCodecVp8Name;
-RTC_EXPORT extern NSString *const kVideoCodecVp9Name;
-RTC_EXPORT extern NSString *const kVideoCodecH264Name;
-RTC_EXPORT extern NSString *const kLevel31ConstrainedHigh;
-RTC_EXPORT extern NSString *const kLevel31ConstrainedBaseline;
+RTC_EXPORT extern NSString *const kRTCVideoCodecVp8Name;
+RTC_EXPORT extern NSString *const kRTCVideoCodecVp9Name;
+RTC_EXPORT extern NSString *const kRTCVideoCodecH264Name;
+RTC_EXPORT extern NSString *const kRTCLevel31ConstrainedHigh;
+RTC_EXPORT extern NSString *const kRTCLevel31ConstrainedBaseline;
 
 /** Represents an encoded frame's type. */
 typedef NS_ENUM(NSUInteger, RTCFrameType) {