diff --git a/webrtc/rtc_base/stream.cc b/webrtc/rtc_base/stream.cc
index df2d66558b..32b9eac862 100644
--- a/webrtc/rtc_base/stream.cc
+++ b/webrtc/rtc_base/stream.cc
@@ -472,14 +472,6 @@ bool FileStream::ReserveSize(size_t size) {
   return true;
 }
 
-bool FileStream::GetSize(const std::string& filename, size_t* size) {
-  struct stat file_stats;
-  if (stat(filename.c_str(), &file_stats) != 0)
-    return false;
-  *size = file_stats.st_size;
-  return true;
-}
-
 bool FileStream::Flush() {
   if (file_) {
     return (0 == fflush(file_));
diff --git a/webrtc/rtc_base/stream.h b/webrtc/rtc_base/stream.h
index 601ef66a4d..8b7b036e0d 100644
--- a/webrtc/rtc_base/stream.h
+++ b/webrtc/rtc_base/stream.h
@@ -407,9 +407,6 @@ class FileStream : public StreamInterface {
   bool Unlock();
 #endif
 
-  // Note: Deprecated in favor of Filesystem::GetFileSize().
-  static bool GetSize(const std::string& filename, size_t* size);
-
  protected:
   virtual void DoClose();