diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 1f692f1445d796a70e669c7331ebcb5ec0e1620a..5ed85e2b36cd6f48392516ce88d669e55a114367 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -519,9 +519,6 @@ enum {
 
 #define MAX_DIR_RA_PAGES	4	/* maximum ra pages of dir */
 
-/* vector size for gang look-up from extent cache that consists of radix tree */
-#define EXT_TREE_VEC_SIZE	64
-
 /* for in-memory extent cache entry */
 #define F2FS_MIN_EXTENT_LEN	64	/* minimum extent length */