diff --git a/headers/os/media/MediaDefs.h b/headers/os/media/MediaDefs.h
index a92956ebf6..a4d9903570 100644
--- a/headers/os/media/MediaDefs.h
+++ b/headers/os/media/MediaDefs.h
@@ -804,25 +804,6 @@ status_t shutdown_media_server(bigtime_t timeout = B_INFINITE_TIMEOUT,
 	void* cookie = NULL);
 
 
-// Given an image_id, prepare that image_id for realtime media
-// If the kind of media indicated by 'flags' is not enabled for real-time,
-// B_MEDIA_REALTIME_DISABLED is returned.
-// If there are not enough system resources to enable real-time performance,
-// B_MEDIA_REALTIME_UNAVAILABLE is returned.
-status_t media_realtime_init_image(image_id image, uint32 flags);
-
-
-// Given a thread ID, and an optional indication of what the thread is
-// doing in "flags", prepare the thread for real-time media performance.
-// Currently, this means locking the thread stack, up to size_used bytes,
-// or all of it if 0 is passed. Typically, you will not be using all
-// 256 kB of the stack, so you should pass some smaller value you determine
-// from profiling the thread; typically in the 32-64kB range.
-// Return values are the same as for media_prepare_realtime_image().
-status_t media_realtime_init_thread(thread_id thread, size_t stack_used,
-	uint32 flags);
-
-
 // A teeny bit of legacy preserved for BSoundFile from R3.
 // These came from the old MediaDefs.h; don't use them
 // unless you get them from BSoundFile.
diff --git a/src/kits/media/MediaDefs.cpp b/src/kits/media/MediaDefs.cpp
index 2a545a8403..2c15419a8d 100644
--- a/src/kits/media/MediaDefs.cpp
+++ b/src/kits/media/MediaDefs.cpp
@@ -1450,36 +1450,6 @@ launch_media_server(bigtime_t timeout,
 }
 
 
-// #pragma mark -
-
-
-//	Given an image_id, prepare that image_id for realtime media
-//	If the kind of media indicated by "flags" is not enabled for real-time,
-//	B_MEDIA_REALTIME_DISABLED is returned.
-//	If there are not enough system resources to enable real-time performance,
-//	B_MEDIA_REALTIME_UNAVAILABLE is returned.
-status_t
-media_realtime_init_image(image_id image, uint32 flags)
-{
-	UNIMPLEMENTED();
-	return B_OK;
-}
-
-//	Given a thread ID, and an optional indication of what the thread is
-//	doing in "flags", prepare the thread for real-time media performance.
-//	Currently, this means locking the thread stack, up to size_used bytes,
-//	or all of it if 0 is passed. Typically, you will not be using all
-//	256 kB of the stack, so you should pass some smaller value you determine
-//	from profiling the thread; typically in the 32-64kB range.
-//	Return values are the same as for media_prepare_realtime_image().
-status_t
-media_realtime_init_thread(thread_id thread, size_t stack_used, uint32 flags)
-{
-	UNIMPLEMENTED();
-	return B_OK;
-}
-
-
 // #pragma mark - media_encode_info
 
 
diff --git a/src/kits/media/legacy/Deprecated.cpp b/src/kits/media/legacy/Deprecated.cpp
index ec204cb051..1f568a60e6 100644
--- a/src/kits/media/legacy/Deprecated.cpp
+++ b/src/kits/media/legacy/Deprecated.cpp
@@ -13,6 +13,8 @@
 // as considered useless, deprecated and/or not worth to be
 // implemented.
 
+// BMediaRoster
+
 status_t
 BMediaRoster::SetRealtimeFlags(uint32 enabled)
 {
@@ -63,3 +65,37 @@ BMediaRoster::SetOutputBuffersFor(const media_source& output,
 	debugger("BMediaRoster::SetOutputBuffersFor missing\n");
 	return B_ERROR;
 }
+
+// MediaDefs.h
+
+status_t media_realtime_init_image(image_id image, uint32 flags);
+
+status_t media_realtime_init_thread(thread_id thread, size_t stack_used,
+	uint32 flags);
+
+
+//	Given an image_id, prepare that image_id for realtime media
+//	If the kind of media indicated by "flags" is not enabled for real-time,
+//	B_MEDIA_REALTIME_DISABLED is returned.
+//	If there are not enough system resources to enable real-time performance,
+//	B_MEDIA_REALTIME_UNAVAILABLE is returned.
+status_t
+media_realtime_init_image(image_id image, uint32 flags)
+{
+	UNIMPLEMENTED();
+	return B_OK;
+}
+
+//	Given a thread ID, and an optional indication of what the thread is
+//	doing in "flags", prepare the thread for real-time media performance.
+//	Currently, this means locking the thread stack, up to size_used bytes,
+//	or all of it if 0 is passed. Typically, you will not be using all
+//	256 kB of the stack, so you should pass some smaller value you determine
+//	from profiling the thread; typically in the 32-64kB range.
+//	Return values are the same as for media_prepare_realtime_image().
+status_t
+media_realtime_init_thread(thread_id thread, size_t stack_used, uint32 flags)
+{
+	UNIMPLEMENTED();
+	return B_OK;
+}