diff --git a/include/linux/ata.h b/include/linux/ata.h
index c04aca58448aa22ae28c4ac6d6239fda4f577121..b32d62542e26c206f7df7673358eac54894194dd 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -615,15 +615,6 @@ static inline bool ata_id_has_flush(const u16 *id)
 	return id[ATA_ID_COMMAND_SET_2] & (1 << 12);
 }
 
-static inline bool ata_id_flush_enabled(const u16 *id)
-{
-	if (ata_id_has_flush(id) == 0)
-		return false;
-	if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)
-		return false;
-	return id[ATA_ID_CFS_ENABLE_2] & (1 << 12);
-}
-
 static inline bool ata_id_has_flush_ext(const u16 *id)
 {
 	if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)