diff --git a/include/fdtdec.h b/include/fdtdec.h
index abd6d42671949a104d5ac79432a89f8c012b1fb3..c9ab822c442864b3d37cea9cf2c4538e69978ccc 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -946,25 +946,6 @@ int fdtdec_setup_mem_size_base_fdt(const void *blob);
  */
 int fdtdec_setup_mem_size_base(void);
 
-/**
- * fdtdec_setup_memory_banksize_fdt() - decode and populate gd->bd->bi_dram
- *
- * Decode the /memory 'reg' property to determine the address and size of the
- * memory banks. Use this data to populate the global data board info with the
- * phys address and size of memory banks.
- *
- * This function should be called from a boards dram_init_banksize(). This
- * helper function allows for boards to query the device tree for memory bank
- * information instead of hard coding the information in cases where it cannot
- * be detected automatically.
- *
- * @param blob		FDT blob
- *
- * @return 0 if OK, -EINVAL if the /memory node or reg property is missing or
- * invalid
- */
-int fdtdec_setup_memory_banksize_fdt(const void *blob);
-
 /**
  * fdtdec_setup_memory_banksize() - decode and populate gd->bd->bi_dram
  *
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 934944d97fd87b350edacd19e747684e35cc463e..36c1ad4e86fd024ebc14a62febb6e9e60fd2ce3c 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -1065,33 +1065,33 @@ int fdtdec_setup_mem_size_base(void)
 static int get_next_memory_node(const void *blob, int mem)
 {
 	do {
-		mem = fdt_node_offset_by_prop_value(blob, mem,
+		mem = fdt_node_offset_by_prop_value(gd->fdt_blob, mem,
 						    "device_type", "memory", 7);
 	} while (!fdtdec_get_is_enabled(blob, mem));
 
 	return mem;
 }
 
-int fdtdec_setup_memory_banksize_fdt(const void *blob)
+int fdtdec_setup_memory_banksize(void)
 {
 	int bank, ret, mem, reg = 0;
 	struct fdt_resource res;
 
-	mem = get_next_memory_node(blob, -1);
+	mem = get_next_memory_node(gd->fdt_blob, -1);
 	if (mem < 0) {
 		debug("%s: Missing /memory node\n", __func__);
 		return -EINVAL;
 	}
 
 	for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
-		ret = fdt_get_resource(blob, mem, "reg", reg++, &res);
+		ret = fdt_get_resource(gd->fdt_blob, mem, "reg", reg++, &res);
 		if (ret == -FDT_ERR_NOTFOUND) {
 			reg = 0;
-			mem = get_next_memory_node(blob, mem);
+			mem = get_next_memory_node(gd->fdt_blob, mem);
 			if (mem == -FDT_ERR_NOTFOUND)
 				break;
 
-			ret = fdt_get_resource(blob, mem, "reg", reg++, &res);
+			ret = fdt_get_resource(gd->fdt_blob, mem, "reg", reg++, &res);
 			if (ret == -FDT_ERR_NOTFOUND)
 				break;
 		}
@@ -1111,12 +1111,6 @@ int fdtdec_setup_memory_banksize_fdt(const void *blob)
 
 	return 0;
 }
-
-int fdtdec_setup_memory_banksize(void)
-{
-	return fdtdec_setup_memory_banksize_fdt(gd->fdt_blob);
-
-}
 #endif
 
 #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)