diff --git a/talk/owt/sdk/include/objc/OWT/OWTConstraints.h b/talk/owt/sdk/include/objc/OWT/OWTConstraints.h
deleted file mode 100644
index 9bd5924d2..000000000
--- a/talk/owt/sdk/include/objc/OWT/OWTConstraints.h
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright (C) <2018> Intel Corporation
-//
-// SPDX-License-Identifier: Apache-2.0
-#import <Foundation/Foundation.h>
-#import <WebRTC/RTCMacros.h>
-#import <OWT/IcsMediaCodec.h>
-NS_ASSUME_NONNULL_BEGIN
-/// The audio settings of a publication.
-@interface OWTAudioPublicationSettings
-@property(nonatomic, strong, readonly) OWTAudioCodecParameters* codec;
-@end
-/// The video settings of a publication.
-@interface OWTVideoPublicationSettings
-@end
-/// The settings of a publication.
-@interface OWTPublicationSettings
-@property(nonatomic, strong, readonly) OWTAudioPublicationSettings* audio;
-@property(nonatomic, strong, readonly) OWTVideoPublicationSettings* video;
-@end
-NS_ASSUME_NONNULL_END