diff --git a/fs_mgr/fs_mgr.c b/fs_mgr/fs_mgr.c
index 13b71ee..6d9d20c 100644
--- a/fs_mgr/fs_mgr.c
+++ b/fs_mgr/fs_mgr.c
@@ -28,11 +28,6 @@
 #include <libgen.h>
 #include <time.h>
 #include <sys/swap.h>
-/* XXX These need to be obtained from kernel headers. See b/9336527 */
-#define SWAP_FLAG_PREFER        0x8000
-#define SWAP_FLAG_PRIO_MASK     0x7fff
-#define SWAP_FLAG_PRIO_SHIFT    0
-#define SWAP_FLAG_DISCARD       0x10000
 
 #include <linux/loop.h>
 #include <private/android_filesystem_config.h>
diff --git a/toolbox/swapon.c b/toolbox/swapon.c
index afa6868..a810b3d 100644
--- a/toolbox/swapon.c
+++ b/toolbox/swapon.c
@@ -5,12 +5,6 @@
 #include <asm/page.h>
 #include <sys/swap.h>
 
-/* XXX These need to be obtained from kernel headers. See b/9336527 */
-#define SWAP_FLAG_PREFER        0x8000
-#define SWAP_FLAG_PRIO_MASK     0x7fff
-#define SWAP_FLAG_PRIO_SHIFT    0
-#define SWAP_FLAG_DISCARD       0x10000
-
 void usage(char *name)
 {
     fprintf(stderr, "Usage: %s [-p prio] <filename>\n"