diff --git a/headers/os/media/MediaDefs.h b/headers/os/media/MediaDefs.h
index 6277bfa7bf..814033e09a 100644
--- a/headers/os/media/MediaDefs.h
+++ b/headers/os/media/MediaDefs.h
@@ -599,9 +599,7 @@ typedef enum {
 	B_WAV_FORMAT_FAMILY = 6,
 	B_AIFF_FORMAT_FAMILY = 7,
 	B_AVR_FORMAT_FAMILY = 8,
-	B_OGG_FORMAT_FAMILY = 9,
 	B_MISC_FORMAT_FAMILY = 99999,
-	B_META_FORMAT_FAMILY = 100000
 } media_format_family;
 
 struct media_file_format {
diff --git a/headers/os/media/MediaFormats.h b/headers/os/media/MediaFormats.h
index 90bb120bac..40c0bda16a 100644
--- a/headers/os/media/MediaFormats.h
+++ b/headers/os/media/MediaFormats.h
@@ -123,10 +123,6 @@ typedef struct {
 	uint32 codec;
 } media_misc_description;
 
-typedef struct {
-	char description[48];
-} media_meta_description;
-
 typedef struct _media_format_description {
 #if defined(__cplusplus)
 	_media_format_description();
@@ -146,7 +142,6 @@ typedef struct _media_format_description {
 		media_aiff_description aiff;
 		media_misc_description misc;
 		media_avr_description avr;
-		media_meta_description meta;
 		uint32 _reserved_[12];
 	} u;
 } media_format_description;