diff --git a/libavcodec/vorbis_enc.c b/libavcodec/vorbis_enc.c
index 10c723edcd..80a29c5a7b 100644
--- a/libavcodec/vorbis_enc.c
+++ b/libavcodec/vorbis_enc.c
@@ -27,13 +27,9 @@
 #undef NDEBUG
 #include <assert.h>
 
-#define ALT_BITSTREAM_READER_LE
+#define ALT_BITSTREAM_WRITER
 #include "bitstream.h"
 
-#define VORBIS_FRAME_SIZE 64
-
-#define BUFFER_SIZE (1024*64)
-
 typedef struct {
     int len;
     uint32_t codeword;