diff --git a/configs/spear300_usbtty_defconfig b/configs/spear300_usbtty_defconfig
index ae5c2b5..3e280d5 100644
--- a/configs/spear300_usbtty_defconfig
+++ b/configs/spear300_usbtty_defconfig
@@ -1,6 +1,6 @@
 CONFIG_ARM=y
 CONFIG_TARGET_SPEAR300=y
 CONFIG_SYS_EXTRA_OPTIONS="spear300,usbtty"
-CONFIG_CMD_NET=y
+# CONFIG_CMD_SETEXPR is not set
 CONFIG_NETDEVICES=y
 CONFIG_ETH_DESIGNWARE=y