diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 5257345..b8956df 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -202,31 +202,6 @@ static int wait_till_ready(struct m25p *flash)
  	return 1;
  }
  
-/*
- * Erase the whole flash memory
- *
- * Returns 0 if successful, non-zero otherwise.
- */
-static int erase_chip(struct m25p *flash)
-{
-	pr_debug("%s: %s %lldKiB\n", dev_name(&flash->spi->dev), __func__,
-			(long long)(flash->mtd.size >> 10));
-
-	/* Wait until finished previous write command. */
-	if (wait_till_ready(flash))
-		return 1;
-
-	/* Send write enable, then erase commands. */
-	write_enable(flash);
-
-	/* Set up command buffer. */
-	flash->command[0] = OPCODE_CHIP_ERASE;
-
-	spi_write(flash->spi, flash->command, 1);
-
-	return 0;
-}
-
  static void m25p_addr2cmd(struct m25p *flash, unsigned int addr, u8 *cmd)
  {
  	/* opcode is in cmd[0] */
@@ -297,31 +272,16 @@ static int m25p80_erase(struct mtd_info *mtd, struct erase_info *instr)
  
  	mutex_lock(&flash->lock);
  
-	/* whole-chip erase? */
-	if (len == flash->mtd.size) {
-		if (erase_chip(flash)) {
+	/* "sector"-at-a-time erase */
+	while (len) {
+		if (erase_sector(flash, addr)) {
  			instr->state = MTD_ERASE_FAILED;
  			mutex_unlock(&flash->lock);
  			return -EIO;
  		}
  
-	/* REVISIT in some cases we could speed up erasing large regions
-	 * by using OPCODE_SE instead of OPCODE_BE_4K.  We may have set up
-	 * to use "small sector erase", but that's not always optimal.
-	 */
-
-	/* "sector"-at-a-time erase */
-	} else {
-		while (len) {
-			if (erase_sector(flash, addr)) {
-				instr->state = MTD_ERASE_FAILED;
-				mutex_unlock(&flash->lock);
-				return -EIO;
-			}
-
-			addr += mtd->erasesize;
-			len -= mtd->erasesize;
-		}
+		addr += mtd->erasesize;
+		len -= mtd->erasesize;
  	}
  
  	mutex_unlock(&flash->lock);