diff --git a/modules/video_coding/codecs/multiplex/include/multiplex_decoder_adapter.h b/modules/video_coding/codecs/multiplex/include/multiplex_decoder_adapter.h
index 95d5783fac..2802848e62 100644
--- a/modules/video_coding/codecs/multiplex/include/multiplex_decoder_adapter.h
+++ b/modules/video_coding/codecs/multiplex/include/multiplex_decoder_adapter.h
@@ -25,8 +25,8 @@ namespace webrtc {
 class MultiplexDecoderAdapter : public VideoDecoder {
  public:
   // |factory| is not owned and expected to outlive this class' lifetime.
-  explicit MultiplexDecoderAdapter(VideoDecoderFactory* factory,
-                                   const SdpVideoFormat& associated_format);
+  MultiplexDecoderAdapter(VideoDecoderFactory* factory,
+                          const SdpVideoFormat& associated_format);
   virtual ~MultiplexDecoderAdapter();
 
   // Implements VideoDecoder
diff --git a/modules/video_coding/codecs/multiplex/include/multiplex_encoder_adapter.h b/modules/video_coding/codecs/multiplex/include/multiplex_encoder_adapter.h
index 9ba543f909..cbdd6c3508 100644
--- a/modules/video_coding/codecs/multiplex/include/multiplex_encoder_adapter.h
+++ b/modules/video_coding/codecs/multiplex/include/multiplex_encoder_adapter.h
@@ -33,8 +33,8 @@ enum AlphaCodecStream {
 class MultiplexEncoderAdapter : public VideoEncoder {
  public:
   // |factory| is not owned and expected to outlive this class' lifetime.
-  explicit MultiplexEncoderAdapter(VideoEncoderFactory* factory,
-                                   const SdpVideoFormat& associated_format);
+  MultiplexEncoderAdapter(VideoEncoderFactory* factory,
+                          const SdpVideoFormat& associated_format);
   virtual ~MultiplexEncoderAdapter();
 
   // Implements VideoEncoder