diff --git a/api/scoped_refptr.h b/api/scoped_refptr.h
index 164fefec14..8f45f89206 100644
--- a/api/scoped_refptr.h
+++ b/api/scoped_refptr.h
@@ -74,10 +74,9 @@ class scoped_refptr {
   typedef T element_type;
 
   scoped_refptr() : ptr_(nullptr) {}
+  scoped_refptr(std::nullptr_t) : ptr_(nullptr) {}  // NOLINT(runtime/explicit)
 
-  // TODO(bugs.webrtc.org/13464): Implicit construction is deprecated. Mark
-  // explicit, and add a new implicit constructor accepting a nullptr_t.
-  scoped_refptr(T* p) : ptr_(p) {  // NOLINT(runtime/explicit)
+  explicit scoped_refptr(T* p) : ptr_(p) {
     if (ptr_)
       ptr_->AddRef();
   }
diff --git a/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc b/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc
index 43ad756bbd..3e5ef03686 100644
--- a/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc
+++ b/modules/desktop_capture/linux/wayland/shared_screencast_stream.cc
@@ -691,7 +691,8 @@ SharedScreenCastStream::~SharedScreenCastStream() {}
 
 rtc::scoped_refptr<SharedScreenCastStream>
 SharedScreenCastStream::CreateDefault() {
-  return new SharedScreenCastStream();
+  // Explicit new, to access non-public constructor.
+  return rtc::scoped_refptr(new SharedScreenCastStream());
 }
 
 bool SharedScreenCastStream::StartScreenCastStream(uint32_t stream_node_id,