diff --git a/bsp/ar71xx/.config b/bsp/ar71xx/.config
index 7df806e..8a1600d 100644
--- a/bsp/ar71xx/.config
+++ b/bsp/ar71xx/.config
@@ -9,7 +9,6 @@ CONFIG_BUSYBOX_CUSTOM=y
 # CONFIG_BUSYBOX_CONFIG_CROND is not set
 # CONFIG_BUSYBOX_CONFIG_CRONTAB is not set
 # CONFIG_BUSYBOX_CONFIG_FEATURE_NTPD_SERVER is not set
-CONFIG_BUSYBOX_CONFIG_SHA256SUM=y
 CONFIG_CLEAN_IPKG=y
 # CONFIG_FASTD_ENABLE_CIPHER_SALSA2012 is not set
 # CONFIG_FASTD_ENABLE_MAC_GHASH is not set
diff --git a/bsp/archerc7/.config b/bsp/archerc7/.config
index 6bf9cdc..e86e8bf 100644
--- a/bsp/archerc7/.config
+++ b/bsp/archerc7/.config
@@ -9,7 +9,6 @@ CONFIG_BUSYBOX_CUSTOM=y
 # CONFIG_BUSYBOX_CONFIG_CROND is not set
 # CONFIG_BUSYBOX_CONFIG_CRONTAB is not set
 # CONFIG_BUSYBOX_CONFIG_FEATURE_NTPD_SERVER is not set
-CONFIG_BUSYBOX_CONFIG_SHA256SUM=y
 CONFIG_CLEAN_IPKG=y
 # CONFIG_FASTD_ENABLE_CIPHER_SALSA2012 is not set
 # CONFIG_FASTD_ENABLE_MAC_GHASH is not set
diff --git a/bsp/wdr4900/.config b/bsp/wdr4900/.config
index 4a3518c..f3e3b47 100644
--- a/bsp/wdr4900/.config
+++ b/bsp/wdr4900/.config
@@ -9,7 +9,6 @@ CONFIG_BUSYBOX_CUSTOM=y
 # CONFIG_BUSYBOX_CONFIG_CROND is not set
 # CONFIG_BUSYBOX_CONFIG_CRONTAB is not set
 # CONFIG_BUSYBOX_CONFIG_FEATURE_NTPD_SERVER is not set
-CONFIG_BUSYBOX_CONFIG_SHA256SUM=y
 CONFIG_CLEAN_IPKG=y
 # CONFIG_FASTD_ENABLE_CIPHER_SALSA2012 is not set
 # CONFIG_FASTD_ENABLE_MAC_GHASH is not set