diff --git a/media/libstagefright/binding/MoofParser.cpp b/media/libstagefright/binding/MoofParser.cpp
index ad02122dcd4a..cb581aa895d1 100644
--- a/media/libstagefright/binding/MoofParser.cpp
+++ b/media/libstagefright/binding/MoofParser.cpp
@@ -24,7 +24,6 @@ extern mozilla::LogModule* GetDemuxerLog();
 namespace mp4_demuxer
 {
 
-using namespace stagefright;
 using namespace mozilla;
 
 const uint32_t kKeyIdSize = 16;