diff --git a/common/usb_storage.c b/common/usb_storage.c
index c9a99b1..8c889bb 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -66,7 +66,7 @@
 
 static int usb_max_devs; /* number of highest available usb device */
 
-#ifndef CONFIG_BLK
+#if !CONFIG_IS_ENABLED(BLK)
 static struct blk_desc usb_dev_desc[USB_MAX_STOR_DEV];
 #endif
 
@@ -99,7 +99,7 @@
 	unsigned short	max_xfer_blk;		/* maximum transfer blocks */
 };
 
-#ifndef CONFIG_BLK
+#if !CONFIG_IS_ENABLED(BLK)
 static struct us_data usb_stor[USB_MAX_STOR_DEV];
 #endif
 
@@ -111,7 +111,7 @@
 		      struct blk_desc *dev_desc);
 int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,
 		      struct us_data *ss);
-#ifdef CONFIG_BLK
+#if CONFIG_IS_ENABLED(BLK)
 static unsigned long usb_stor_read(struct udevice *dev, lbaint_t blknr,
 				   lbaint_t blkcnt, void *buffer);
 static unsigned long usb_stor_write(struct udevice *dev, lbaint_t blknr,
@@ -136,7 +136,7 @@
 int usb_stor_info(void)
 {
 	int count = 0;
-#ifdef CONFIG_BLK
+#if CONFIG_IS_ENABLED(BLK)
 	struct udevice *dev;
 
 	for (blk_first_device(IF_TYPE_USB, &dev);
@@ -186,7 +186,7 @@
 {
 	int lun, max_lun;
 
-#ifdef CONFIG_BLK
+#if CONFIG_IS_ENABLED(BLK)
 	struct us_data *data;
 	int ret;
 #else
@@ -197,7 +197,7 @@
 #endif
 
 	debug("\n\nProbing for storage\n");
-#ifdef CONFIG_BLK
+#if CONFIG_IS_ENABLED(BLK)
 	/*
 	 * We store the us_data in the mass storage device's platdata. It
 	 * is shared by all LUNs (block devices) attached to this mass storage
@@ -1119,7 +1119,7 @@
 }
 #endif /* CONFIG_USB_BIN_FIXUP */
 
-#ifdef CONFIG_BLK
+#if CONFIG_IS_ENABLED(BLK)
 static unsigned long usb_stor_read(struct udevice *dev, lbaint_t blknr,
 				   lbaint_t blkcnt, void *buffer)
 #else
@@ -1134,14 +1134,14 @@
 	struct us_data *ss;
 	int retry;
 	struct scsi_cmd *srb = &usb_ccb;
-#ifdef CONFIG_BLK
+#if CONFIG_IS_ENABLED(BLK)
 	struct blk_desc *block_dev;
 #endif
 
 	if (blkcnt == 0)
 		return 0;
 	/* Setup  device */
-#ifdef CONFIG_BLK
+#if CONFIG_IS_ENABLED(BLK)
 	block_dev = dev_get_uclass_platdata(dev);
 	udev = dev_get_parent_priv(dev_get_parent(dev));
 	debug("\nusb_read: udev %d\n", block_dev->devnum);
@@ -1200,7 +1200,7 @@
 	return blkcnt;
 }
 
-#ifdef CONFIG_BLK
+#if CONFIG_IS_ENABLED(BLK)
 static unsigned long usb_stor_write(struct udevice *dev, lbaint_t blknr,
 				    lbaint_t blkcnt, const void *buffer)
 #else
@@ -1215,7 +1215,7 @@
 	struct us_data *ss;
 	int retry;
 	struct scsi_cmd *srb = &usb_ccb;
-#ifdef CONFIG_BLK
+#if CONFIG_IS_ENABLED(BLK)
 	struct blk_desc *block_dev;
 #endif
 
@@ -1223,7 +1223,7 @@
 		return 0;
 
 	/* Setup  device */
-#ifdef CONFIG_BLK
+#if CONFIG_IS_ENABLED(BLK)
 	block_dev = dev_get_uclass_platdata(dev);
 	udev = dev_get_parent_priv(dev_get_parent(dev));
 	debug("\nusb_read: udev %d\n", block_dev->devnum);
@@ -1519,7 +1519,7 @@
 	.id	= UCLASS_MASS_STORAGE,
 	.of_match = usb_mass_storage_ids,
 	.probe = usb_mass_storage_probe,
-#ifdef CONFIG_BLK
+#if CONFIG_IS_ENABLED(BLK)
 	.platdata_auto_alloc_size	= sizeof(struct us_data),
 #endif
 };
@@ -1540,7 +1540,7 @@
 U_BOOT_USB_DEVICE(usb_mass_storage, mass_storage_id_table);
 #endif
 
-#ifdef CONFIG_BLK
+#if CONFIG_IS_ENABLED(BLK)
 static const struct blk_ops usb_storage_ops = {
 	.read	= usb_stor_read,
 	.write	= usb_stor_write,