diff --git a/api/rtp_sender_interface.h b/api/rtp_sender_interface.h
index 2786a2ac19..41d35bc287 100644
--- a/api/rtp_sender_interface.h
+++ b/api/rtp_sender_interface.h
@@ -109,11 +109,6 @@ class RTC_EXPORT RtpSenderInterface : public rtc::RefCountInterface {
       std::unique_ptr<VideoEncoderFactory::EncoderSelectorInterface>
           encoder_selector) = 0;
 
-  // TODO(crbug.com/1354101): make pure virtual again after Chrome roll.
-  virtual RTCError GenerateKeyFrame(const std::vector<std::string>& rids) {
-    return RTCError::OK();
-  }
-
  protected:
   ~RtpSenderInterface() override = default;
 };
diff --git a/pc/rtp_sender.h b/pc/rtp_sender.h
index 232f7473e9..d29c3760e6 100644
--- a/pc/rtp_sender.h
+++ b/pc/rtp_sender.h
@@ -288,6 +288,8 @@ class RtpSenderBase : public RtpSenderInternal, public ObserverInterface {
   rtc::scoped_refptr<FrameTransformerInterface> frame_transformer_;
   std::unique_ptr<VideoEncoderFactory::EncoderSelectorInterface>
       encoder_selector_;
+
+  virtual RTCError GenerateKeyFrame(const std::vector<std::string>& rids) = 0;
 };
 
 // LocalAudioSinkAdapter receives data callback as a sink to the local
diff --git a/pc/rtp_sender_proxy.h b/pc/rtp_sender_proxy.h
index 236ac10fa2..39862eb133 100644
--- a/pc/rtp_sender_proxy.h
+++ b/pc/rtp_sender_proxy.h
@@ -52,7 +52,6 @@ PROXY_METHOD1(void,
 PROXY_METHOD1(void,
               SetEncoderSelector,
               std::unique_ptr<VideoEncoderFactory::EncoderSelectorInterface>)
-PROXY_METHOD1(RTCError, GenerateKeyFrame, const std::vector<std::string>&)
 END_PROXY_MAP(RtpSender)
 
 }  // namespace webrtc