diff --git a/sdk/objc/api/peerconnection/RTCRtcpParameters+Private.h b/sdk/objc/api/peerconnection/RTCRtcpParameters+Private.h
index 94c1f92956..c4d196cf79 100644
--- a/sdk/objc/api/peerconnection/RTCRtcpParameters+Private.h
+++ b/sdk/objc/api/peerconnection/RTCRtcpParameters+Private.h
@@ -21,7 +21,8 @@ NS_ASSUME_NONNULL_BEGIN
     @property(nonatomic, readonly) webrtc::RtcpParameters nativeParameters;
 
 /** Initialize the object with a native RtcpParameters structure. */
-- (instancetype)initWithNativeParameters:(const webrtc::RtcpParameters &)nativeParameters;
+- (instancetype)initWithNativeParameters:(const webrtc::RtcpParameters &)nativeParameters
+    NS_DESIGNATED_INITIALIZER;
 
 @end
 
diff --git a/sdk/objc/api/peerconnection/RTCRtcpParameters.h b/sdk/objc/api/peerconnection/RTCRtcpParameters.h
index 1bbaedcf7e..2f7aad3aef 100644
--- a/sdk/objc/api/peerconnection/RTCRtcpParameters.h
+++ b/sdk/objc/api/peerconnection/RTCRtcpParameters.h
@@ -23,7 +23,7 @@ RTC_OBJC_EXPORT
 /** Whether reduced size RTCP is configured or compound RTCP. */
 @property(nonatomic, assign) BOOL isReducedSize;
 
-- (instancetype)init NS_DESIGNATED_INITIALIZER;
+- (instancetype)init;
 
 @end
 
diff --git a/sdk/objc/api/peerconnection/RTCRtcpParameters.mm b/sdk/objc/api/peerconnection/RTCRtcpParameters.mm
index 4d6084b90d..e92ee4b3e7 100644
--- a/sdk/objc/api/peerconnection/RTCRtcpParameters.mm
+++ b/sdk/objc/api/peerconnection/RTCRtcpParameters.mm
@@ -18,11 +18,12 @@
 @synthesize isReducedSize = _isReducedSize;
 
 - (instancetype)init {
-  return [super init];
+  webrtc::RtcpParameters nativeParameters;
+  return [self initWithNativeParameters:nativeParameters];
 }
 
 - (instancetype)initWithNativeParameters:(const webrtc::RtcpParameters &)nativeParameters {
-  if (self = [self init]) {
+  if (self = [super init]) {
     _cname = [NSString stringForStdString:nativeParameters.cname];
     _isReducedSize = nativeParameters.reduced_size;
   }
diff --git a/sdk/objc/api/peerconnection/RTCRtpCodecParameters+Private.h b/sdk/objc/api/peerconnection/RTCRtpCodecParameters+Private.h
index 7833068837..ff23cfd642 100644
--- a/sdk/objc/api/peerconnection/RTCRtpCodecParameters+Private.h
+++ b/sdk/objc/api/peerconnection/RTCRtpCodecParameters+Private.h
@@ -21,7 +21,8 @@ NS_ASSUME_NONNULL_BEGIN
     @property(nonatomic, readonly) webrtc::RtpCodecParameters nativeParameters;
 
 /** Initialize the object with a native RtpCodecParameters structure. */
-- (instancetype)initWithNativeParameters:(const webrtc::RtpCodecParameters &)nativeParameters;
+- (instancetype)initWithNativeParameters:(const webrtc::RtpCodecParameters &)nativeParameters
+    NS_DESIGNATED_INITIALIZER;
 
 @end
 
diff --git a/sdk/objc/api/peerconnection/RTCRtpCodecParameters.h b/sdk/objc/api/peerconnection/RTCRtpCodecParameters.h
index a68d9eb873..afa2fd5fe2 100644
--- a/sdk/objc/api/peerconnection/RTCRtpCodecParameters.h
+++ b/sdk/objc/api/peerconnection/RTCRtpCodecParameters.h
@@ -66,7 +66,7 @@ RTC_OBJC_EXPORT
 /** The "format specific parameters" field from the "a=fmtp" line in the SDP */
 @property(nonatomic, readonly, nonnull) NSDictionary *parameters;
 
-- (instancetype)init NS_DESIGNATED_INITIALIZER;
+- (instancetype)init;
 
 @end
 
diff --git a/sdk/objc/api/peerconnection/RTCRtpCodecParameters.mm b/sdk/objc/api/peerconnection/RTCRtpCodecParameters.mm
index 1dbd683e24..b48d51f9ca 100644
--- a/sdk/objc/api/peerconnection/RTCRtpCodecParameters.mm
+++ b/sdk/objc/api/peerconnection/RTCRtpCodecParameters.mm
@@ -44,12 +44,13 @@ const NSString * const kRTCH264CodecName = @(cricket::kH264CodecName);
 @synthesize parameters = _parameters;
 
 - (instancetype)init {
-  return [super init];
+  webrtc::RtpCodecParameters nativeParameters;
+  return [self initWithNativeParameters:nativeParameters];
 }
 
 - (instancetype)initWithNativeParameters:
     (const webrtc::RtpCodecParameters &)nativeParameters {
-  if (self = [self init]) {
+  if (self = [super init]) {
     _payloadType = nativeParameters.payload_type;
     _name = [NSString stringForStdString:nativeParameters.name];
     switch (nativeParameters.kind) {
diff --git a/sdk/objc/api/peerconnection/RTCRtpEncodingParameters+Private.h b/sdk/objc/api/peerconnection/RTCRtpEncodingParameters+Private.h
index 074c9b175b..d12ca624e3 100644
--- a/sdk/objc/api/peerconnection/RTCRtpEncodingParameters+Private.h
+++ b/sdk/objc/api/peerconnection/RTCRtpEncodingParameters+Private.h
@@ -21,7 +21,8 @@ NS_ASSUME_NONNULL_BEGIN
     @property(nonatomic, readonly) webrtc::RtpEncodingParameters nativeParameters;
 
 /** Initialize the object with a native RtpEncodingParameters structure. */
-- (instancetype)initWithNativeParameters:(const webrtc::RtpEncodingParameters &)nativeParameters;
+- (instancetype)initWithNativeParameters:(const webrtc::RtpEncodingParameters &)nativeParameters
+    NS_DESIGNATED_INITIALIZER;
 
 @end
 
diff --git a/sdk/objc/api/peerconnection/RTCRtpEncodingParameters.h b/sdk/objc/api/peerconnection/RTCRtpEncodingParameters.h
index facd7e5129..af6d5832b5 100644
--- a/sdk/objc/api/peerconnection/RTCRtpEncodingParameters.h
+++ b/sdk/objc/api/peerconnection/RTCRtpEncodingParameters.h
@@ -65,7 +65,7 @@ RTC_OBJC_EXPORT
 /** The relative DiffServ Code Point priority. */
 @property(nonatomic, assign) RTCPriority networkPriority;
 
-- (instancetype)init NS_DESIGNATED_INITIALIZER;
+- (instancetype)init;
 
 @end
 
diff --git a/sdk/objc/api/peerconnection/RTCRtpEncodingParameters.mm b/sdk/objc/api/peerconnection/RTCRtpEncodingParameters.mm
index eec6ce4015..a42439f964 100644
--- a/sdk/objc/api/peerconnection/RTCRtpEncodingParameters.mm
+++ b/sdk/objc/api/peerconnection/RTCRtpEncodingParameters.mm
@@ -26,12 +26,13 @@
 @synthesize networkPriority = _networkPriority;
 
 - (instancetype)init {
-  return [super init];
+  webrtc::RtpEncodingParameters nativeParameters;
+  return [self initWithNativeParameters:nativeParameters];
 }
 
 - (instancetype)initWithNativeParameters:
     (const webrtc::RtpEncodingParameters &)nativeParameters {
-  if (self = [self init]) {
+  if (self = [super init]) {
     if (!nativeParameters.rid.empty()) {
       _rid = [NSString stringForStdString:nativeParameters.rid];
     }
diff --git a/sdk/objc/api/peerconnection/RTCRtpHeaderExtension+Private.h b/sdk/objc/api/peerconnection/RTCRtpHeaderExtension+Private.h
index 6255847fb9..0e0fbba5ac 100644
--- a/sdk/objc/api/peerconnection/RTCRtpHeaderExtension+Private.h
+++ b/sdk/objc/api/peerconnection/RTCRtpHeaderExtension+Private.h
@@ -21,7 +21,8 @@ NS_ASSUME_NONNULL_BEGIN
     @property(nonatomic, readonly) webrtc::RtpExtension nativeParameters;
 
 /** Initialize the object with a native RtpExtension structure. */
-- (instancetype)initWithNativeParameters:(const webrtc::RtpExtension &)nativeParameters;
+- (instancetype)initWithNativeParameters:(const webrtc::RtpExtension &)nativeParameters
+    NS_DESIGNATED_INITIALIZER;
 
 @end
 
diff --git a/sdk/objc/api/peerconnection/RTCRtpHeaderExtension.h b/sdk/objc/api/peerconnection/RTCRtpHeaderExtension.h
index 15be5af56c..4000bf5372 100644
--- a/sdk/objc/api/peerconnection/RTCRtpHeaderExtension.h
+++ b/sdk/objc/api/peerconnection/RTCRtpHeaderExtension.h
@@ -26,7 +26,7 @@ RTC_OBJC_EXPORT
 /** Whether the header extension is encrypted or not. */
 @property(nonatomic, readonly, getter=isEncrypted) BOOL encrypted;
 
-- (instancetype)init NS_DESIGNATED_INITIALIZER;
+- (instancetype)init;
 
 @end
 
diff --git a/sdk/objc/api/peerconnection/RTCRtpHeaderExtension.mm b/sdk/objc/api/peerconnection/RTCRtpHeaderExtension.mm
index a19228e629..68093e92ea 100644
--- a/sdk/objc/api/peerconnection/RTCRtpHeaderExtension.mm
+++ b/sdk/objc/api/peerconnection/RTCRtpHeaderExtension.mm
@@ -19,11 +19,12 @@
 @synthesize encrypted = _encrypted;
 
 - (instancetype)init {
-  return [super init];
+  webrtc::RtpExtension nativeExtension;
+  return [self initWithNativeParameters:nativeExtension];
 }
 
 - (instancetype)initWithNativeParameters:(const webrtc::RtpExtension &)nativeParameters {
-  if (self = [self init]) {
+  if (self = [super init]) {
     _uri = [NSString stringForStdString:nativeParameters.uri];
     _id = nativeParameters.id;
     _encrypted = nativeParameters.encrypt;
diff --git a/sdk/objc/api/peerconnection/RTCRtpParameters+Private.h b/sdk/objc/api/peerconnection/RTCRtpParameters+Private.h
index 369475a81d..139617f727 100644
--- a/sdk/objc/api/peerconnection/RTCRtpParameters+Private.h
+++ b/sdk/objc/api/peerconnection/RTCRtpParameters+Private.h
@@ -21,7 +21,8 @@ NS_ASSUME_NONNULL_BEGIN
     @property(nonatomic, readonly) webrtc::RtpParameters nativeParameters;
 
 /** Initialize the object with a native RtpParameters structure. */
-- (instancetype)initWithNativeParameters:(const webrtc::RtpParameters &)nativeParameters;
+- (instancetype)initWithNativeParameters:(const webrtc::RtpParameters &)nativeParameters
+    NS_DESIGNATED_INITIALIZER;
 
 @end
 
diff --git a/sdk/objc/api/peerconnection/RTCRtpParameters.h b/sdk/objc/api/peerconnection/RTCRtpParameters.h
index fff6a85886..3d71c55ab9 100644
--- a/sdk/objc/api/peerconnection/RTCRtpParameters.h
+++ b/sdk/objc/api/peerconnection/RTCRtpParameters.h
@@ -51,7 +51,7 @@ RTC_OBJC_EXPORT
  */
 @property(nonatomic, copy, nullable) NSNumber *degradationPreference;
 
-- (instancetype)init NS_DESIGNATED_INITIALIZER;
+- (instancetype)init;
 
 @end
 
diff --git a/sdk/objc/api/peerconnection/RTCRtpParameters.mm b/sdk/objc/api/peerconnection/RTCRtpParameters.mm
index 2236b9aa36..2baf0ecd80 100644
--- a/sdk/objc/api/peerconnection/RTCRtpParameters.mm
+++ b/sdk/objc/api/peerconnection/RTCRtpParameters.mm
@@ -26,12 +26,13 @@
 @synthesize degradationPreference = _degradationPreference;
 
 - (instancetype)init {
-  return [super init];
+  webrtc::RtpParameters nativeParameters;
+  return [self initWithNativeParameters:nativeParameters];
 }
 
 - (instancetype)initWithNativeParameters:
     (const webrtc::RtpParameters &)nativeParameters {
-  if (self = [self init]) {
+  if (self = [super init]) {
     _transactionId = [NSString stringForStdString:nativeParameters.transaction_id];
     _rtcp =
         [[RTC_OBJC_TYPE(RTCRtcpParameters) alloc] initWithNativeParameters:nativeParameters.rtcp];