diff --git a/webrtc/api/BUILD.gn b/webrtc/api/BUILD.gn
index 8f3327a13d..391af74e7e 100644
--- a/webrtc/api/BUILD.gn
+++ b/webrtc/api/BUILD.gn
@@ -36,7 +36,6 @@ source_set("libjingle_peerconnection") {
     "datachannel.cc",
     "datachannel.h",
     "datachannelinterface.h",
-    "dtlsidentitystore.h",
     "dtmfsender.cc",
     "dtmfsender.h",
     "dtmfsenderinterface.h",
diff --git a/webrtc/api/android/jni/peerconnection_jni.cc b/webrtc/api/android/jni/peerconnection_jni.cc
index b5a191dddb..fefb44785a 100644
--- a/webrtc/api/android/jni/peerconnection_jni.cc
+++ b/webrtc/api/android/jni/peerconnection_jni.cc
@@ -44,7 +44,6 @@
 #include <utility>
 
 #include "webrtc/api/androidvideocapturer.h"
-#include "webrtc/api/dtlsidentitystore.h"
 #include "webrtc/api/android/jni/androidmediadecoder_jni.h"
 #include "webrtc/api/android/jni/androidmediaencoder_jni.h"
 #include "webrtc/api/android/jni/androidnetworkmonitor_jni.h"
diff --git a/webrtc/api/api.gyp b/webrtc/api/api.gyp
index eb8c9c07ea..15c88dd0f3 100644
--- a/webrtc/api/api.gyp
+++ b/webrtc/api/api.gyp
@@ -108,7 +108,6 @@
         'datachannel.cc',
         'datachannel.h',
         'datachannelinterface.h',
-        'dtlsidentitystore.h',
         'dtmfsender.cc',
         'dtmfsender.h',
         'dtmfsenderinterface.h',
diff --git a/webrtc/api/dtlsidentitystore.h b/webrtc/api/dtlsidentitystore.h
deleted file mode 100644
index 2558e45db4..0000000000
--- a/webrtc/api/dtlsidentitystore.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- *  Copyright 2015 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.
- */
-
-#ifndef WEBRTC_API_DTLSIDENTITYSTORE_H_
-#define WEBRTC_API_DTLSIDENTITYSTORE_H_
-
-#include <memory>
-#include <queue>
-#include <string>
-#include <utility>
-
-#include "webrtc/base/messagehandler.h"
-#include "webrtc/base/messagequeue.h"
-#include "webrtc/base/optional.h"
-#include "webrtc/base/refcount.h"
-#include "webrtc/base/rtccertificategenerator.h"
-#include "webrtc/base/scoped_ref_ptr.h"
-#include "webrtc/base/sslidentity.h"
-#include "webrtc/base/thread.h"
-
-namespace webrtc {
-
-class SSLIdentity;
-class Thread;
-
-// Used to receive callbacks of DTLS identity requests.
-class DtlsIdentityRequestObserver : public rtc::RefCountInterface {
- public:
-  virtual void OnFailure(int error) = 0;
-  // TODO(hbos): Unify the OnSuccess method once Chrome code is updated.
-  virtual void OnSuccess(const std::string& der_cert,
-                         const std::string& der_private_key) = 0;
-  // |identity| is a unique_ptr because rtc::SSLIdentity is not copyable and the
-  // client has to get the ownership of the object to make use of it.
-  virtual void OnSuccess(std::unique_ptr<rtc::SSLIdentity> identity) = 0;
-
- protected:
-  virtual ~DtlsIdentityRequestObserver() {}
-};
-
-// This interface defines an in-memory DTLS identity store, which generates DTLS
-// identities.
-// APIs calls must be made on the signaling thread and the callbacks are also
-// called on the signaling thread.
-class DtlsIdentityStoreInterface {
- public:
-  virtual ~DtlsIdentityStoreInterface() { }
-
-  // The |observer| will be called when the requested identity is ready, or when
-  // identity generation fails.
-  virtual void RequestIdentity(
-      const rtc::KeyParams& key_params,
-      const rtc::Optional<uint64_t>& expires_ms,
-      const rtc::scoped_refptr<DtlsIdentityRequestObserver>& observer) = 0;
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_API_DTLSIDENTITYSTORE_H_
diff --git a/webrtc/api/peerconnectionfactory_unittest.cc b/webrtc/api/peerconnectionfactory_unittest.cc
index 209587de85..2d158e16af 100644
--- a/webrtc/api/peerconnectionfactory_unittest.cc
+++ b/webrtc/api/peerconnectionfactory_unittest.cc
@@ -27,7 +27,6 @@
 #include "webrtc/p2p/base/fakeportallocator.h"
 
 using webrtc::DataChannelInterface;
-using webrtc::DtlsIdentityStoreInterface;
 using webrtc::FakeVideoTrackRenderer;
 using webrtc::MediaStreamInterface;
 using webrtc::PeerConnectionFactoryInterface;
diff --git a/webrtc/api/test/fakertccertificategenerator.h b/webrtc/api/test/fakertccertificategenerator.h
index 77ff9dc987..34fc1c53a9 100644
--- a/webrtc/api/test/fakertccertificategenerator.h
+++ b/webrtc/api/test/fakertccertificategenerator.h
@@ -15,9 +15,9 @@
 #include <string>
 #include <utility>
 
-#include "webrtc/api/dtlsidentitystore.h"
 #include "webrtc/api/peerconnectioninterface.h"
 #include "webrtc/base/rtccertificate.h"
+#include "webrtc/base/rtccertificategenerator.h"
 
 // RSA with mod size 1024, pub exp 0x10001.
 static const rtc::RTCCertificatePEM kRsaPems[] = {
diff --git a/webrtc/api/webrtcsession_unittest.cc b/webrtc/api/webrtcsession_unittest.cc
index 29f94dedb4..b90daee510 100644
--- a/webrtc/api/webrtcsession_unittest.cc
+++ b/webrtc/api/webrtcsession_unittest.cc
@@ -61,7 +61,6 @@ using webrtc::CreateSessionDescription;
 using webrtc::CreateSessionDescriptionObserver;
 using webrtc::CreateSessionDescriptionRequest;
 using webrtc::DataChannel;
-using webrtc::DtlsIdentityStoreInterface;
 using webrtc::FakeMetricsObserver;
 using webrtc::IceCandidateCollection;
 using webrtc::InternalDataChannelInit;
diff --git a/webrtc/api/webrtcsessiondescriptionfactory.h b/webrtc/api/webrtcsessiondescriptionfactory.h
index c0c45b6ee5..314679d24f 100644
--- a/webrtc/api/webrtcsessiondescriptionfactory.h
+++ b/webrtc/api/webrtcsessiondescriptionfactory.h
@@ -13,7 +13,6 @@
 
 #include <memory>
 
-#include "webrtc/api/dtlsidentitystore.h"
 #include "webrtc/api/peerconnectioninterface.h"
 #include "webrtc/base/constructormagic.h"
 #include "webrtc/base/messagehandler.h"