[U-Boot-Users] network driver link error

I donot have network support in my board, but when I try to remove the network driver support from my config file, I got the link error.(otherwise everything is fine and I can run the u-boot 1.1.4 without any trouble now). So I want to understand that is it the mandatory to have network support? or I can disable the support of network by using some flag?

/* * Hardware drivers */ #define CONFIG_DRIVER_LAN91C96 #define CONFIG_LAN91C96_BASE 0x04000300 #define CONFIG_LAN91C96_EXT_PHY

Thanks. Xuezhang.