diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index a19f4dfc85a59..ecd870e5d6dac 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -230,7 +230,6 @@ enum {
 #define CP_PAUSE	0x00000040
 #define CP_RESIZE 	0x00000080
 
-#define MAX_DISCARD_BLOCKS(sbi)		BLKS_PER_SEC(sbi)
 #define DEF_MAX_DISCARD_REQUEST		8	/* issue 8 discards per round */
 #define DEF_MIN_DISCARD_ISSUE_TIME	50	/* 50 ms, if exists */
 #define DEF_MID_DISCARD_ISSUE_TIME	500	/* 500 ms, if device busy */