diff --git a/api/test/mock_video_encoder_factory.h b/api/test/mock_video_encoder_factory.h
index f9a393eab7..beeba29d8a 100644
--- a/api/test/mock_video_encoder_factory.h
+++ b/api/test/mock_video_encoder_factory.h
@@ -34,10 +34,6 @@ class MockVideoEncoderFactory : public webrtc::VideoEncoderFactory {
               Create,
               (const Environment&, const SdpVideoFormat&),
               (override));
-  MOCK_METHOD(std::unique_ptr<VideoEncoder>,
-              CreateVideoEncoder,
-              (const SdpVideoFormat&),
-              (override));
 
   MOCK_METHOD(void, Die, ());
 };
diff --git a/api/video_codecs/video_encoder_factory.h b/api/video_codecs/video_encoder_factory.h
index fa043f5296..d6e7ff93c5 100644
--- a/api/video_codecs/video_encoder_factory.h
+++ b/api/video_codecs/video_encoder_factory.h
@@ -21,7 +21,6 @@
 #include "api/video/render_resolution.h"
 #include "api/video_codecs/sdp_video_format.h"
 #include "api/video_codecs/video_encoder.h"
-#include "rtc_base/checks.h"
 
 namespace webrtc {
 
@@ -97,21 +96,9 @@ class VideoEncoderFactory {
   }
 
   // Creates a VideoEncoder for the specified format.
-  virtual std::unique_ptr<VideoEncoder> Create(const Environment& env,
-                                               const SdpVideoFormat& format) {
-    return CreateVideoEncoder(format);
-  }
-
-  // Deprecated in favor of the `Create` above.
-  // TODO: bugs.webrtc.org/15860 - Make private when all callers are updated
-  // to use Create function above. Delete when all derived classes implement
-  // `Create` instead of this function.
-  virtual std::unique_ptr<VideoEncoder> CreateVideoEncoder(
-      const SdpVideoFormat& format) {
-    // Newer code shouldn't call this function,
-    // Older code should implement it in derived classes.
-    RTC_CHECK_NOTREACHED();
-  }
+  virtual std::unique_ptr<VideoEncoder> Create(
+      const Environment& env,
+      const SdpVideoFormat& format) = 0;
 
   // This method creates a EncoderSelector to use for a VideoSendStream.
   // (and hence should probably been called CreateEncoderSelector()).