diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c
index 5dbf52aa0355..cda57cb86308 100644
--- a/drivers/mtd/spi-nor/core.c
+++ b/drivers/mtd/spi-nor/core.c
@@ -2003,6 +2003,15 @@ void spi_nor_set_erase_type(struct spi_nor_erase_type *erase, u32 size,
 	erase->size_mask = (1 << erase->size_shift) - 1;
 }
 
+/**
+ * spi_nor_mask_erase_type() - mask out a SPI NOR erase type
+ * @erase:	pointer to a structure that describes a SPI NOR erase type
+ */
+void spi_nor_mask_erase_type(struct spi_nor_erase_type *erase)
+{
+	erase->size = 0;
+}
+
 /**
  * spi_nor_init_uniform_erase_map() - Initialize uniform erase map
  * @map:		the erase map of the SPI NOR
diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h
index 85b0cf254e97..d18dafeb020a 100644
--- a/drivers/mtd/spi-nor/core.h
+++ b/drivers/mtd/spi-nor/core.h
@@ -682,6 +682,7 @@ void spi_nor_set_pp_settings(struct spi_nor_pp_command *pp, u8 opcode,
 
 void spi_nor_set_erase_type(struct spi_nor_erase_type *erase, u32 size,
 			    u8 opcode);
+void spi_nor_mask_erase_type(struct spi_nor_erase_type *erase);
 struct spi_nor_erase_region *
 spi_nor_region_next(struct spi_nor_erase_region *region);
 void spi_nor_init_uniform_erase_map(struct spi_nor_erase_map *map,
diff --git a/drivers/mtd/spi-nor/sfdp.c b/drivers/mtd/spi-nor/sfdp.c
index 681e5e78724c..78110387be0b 100644
--- a/drivers/mtd/spi-nor/sfdp.c
+++ b/drivers/mtd/spi-nor/sfdp.c
@@ -876,7 +876,7 @@ static int spi_nor_init_non_uniform_erase_map(struct spi_nor *nor,
 	 */
 	for (i = 0; i < SNOR_ERASE_TYPE_MAX; i++)
 		if (!(regions_erase_type & BIT(erase[i].idx)))
-			spi_nor_set_erase_type(&erase[i], 0, 0xFF);
+			spi_nor_mask_erase_type(&erase[i]);
 
 	return 0;
 }
@@ -1090,7 +1090,7 @@ static int spi_nor_parse_4bait(struct spi_nor *nor,
 			erase_type[i].opcode = (dwords[1] >>
 						erase_type[i].idx * 8) & 0xFF;
 		else
-			spi_nor_set_erase_type(&erase_type[i], 0u, 0xFF);
+			spi_nor_mask_erase_type(&erase_type[i]);
 	}
 
 	/*