diff --git a/drivers/w1-eeprom/ds24xxx.c b/drivers/w1-eeprom/ds24xxx.c
index 413d8bc5881..801fade6f49 100644
--- a/drivers/w1-eeprom/ds24xxx.c
+++ b/drivers/w1-eeprom/ds24xxx.c
@@ -53,7 +53,7 @@ U_BOOT_DRIVER(ds24xxx) = {
 	.probe		= ds24xxx_probe,
 };
 
-u8 family_supported[] = {
+static u8 family_supported[] = {
 	W1_FAMILY_DS24B33,
 	W1_FAMILY_DS2431,
 };
diff --git a/drivers/w1-eeprom/ds2502.c b/drivers/w1-eeprom/ds2502.c
index db9f41e9726..981b41a34b2 100644
--- a/drivers/w1-eeprom/ds2502.c
+++ b/drivers/w1-eeprom/ds2502.c
@@ -243,7 +243,7 @@ U_BOOT_DRIVER(ds2502) = {
 	.probe		= ds2502_probe,
 };
 
-u8 family_supported[] = {
+static u8 family_supported[] = {
 	W1_FAMILY_DS2502,
 };