diff --git a/remove_unused_config.sh b/remove_unused_config.sh
index 43c8be3..8672ede 100644
--- a/remove_unused_config.sh
+++ b/remove_unused_config.sh
@@ -6,4 +6,3 @@ sed -i 's/CONFIG_BPFILTER=y/CONFIG_BPFILTER=n/' kernel/arch/arm64/configs/nanopi
 
 [ -f configs/config_rk3328 ] && echo -e '\nCONFIG_KERNEL_BUILD_USER="Dayong Chen"\nCONFIG_GRUB_TITLE="OpenWrt on Nanopi devices compiled by DayongChen"' >> configs/config_rk3328
 [ -f configs/config_h5 ]     && echo -e '\nCONFIG_KERNEL_BUILD_USER="Dayong Chen"\nCONFIG_GRUB_TITLE="OpenWrt on Nanopi devices compiled by DayongChen"' >> configs/config_h5
-echo -e '\nDYC Build\n'  >> friendlywrt/package/base-files/files/etc/banner