--- a/media/libstagefright/binding/MP4Metadata.cpp
+++ b/media/libstagefright/binding/MP4Metadata.cpp
@@ -9,27 +9,28 @@
 #include "media/stagefright/MetaData.h"
 #include "mozilla/Assertions.h"
 #include "mozilla/CheckedInt.h"
 #include "mozilla/EndianUtils.h"
 #include "mozilla/Logging.h"
 #include "mozilla/RefPtr.h"
 #include "mozilla/Telemetry.h"
 #include "mozilla/UniquePtr.h"
-#include "OpusDecoder.h"
 #include "VideoUtils.h"
 #include "mp4_demuxer/MoofParser.h"
 #include "mp4_demuxer/MP4Metadata.h"
 #include "mp4_demuxer/Stream.h"
 
 #include <limits>
 #include <stdint.h>
 #include <vector>
 
 #ifdef MOZ_RUST_MP4PARSE
+// OpusDecoder header is really needed only by MP4 in rust
+#include "OpusDecoder.h"
 #include "mp4parse.h"
 
 struct FreeMP4Parser { void operator()(mp4parse_parser* aPtr) { mp4parse_free(aPtr); } };
 #endif
 
 using namespace stagefright;
 
 namespace mp4_demuxer