diff --git a/LCD7B-show b/LCD7B-show
index 09560dd..a4157b7 100755
--- a/LCD7B-show
+++ b/LCD7B-show
@@ -4,7 +4,6 @@ sudo ./system_backup.sh
 
 sudo cp -rf ./boot/config-nomal.txt ./boot/config.txt.bak
 sudo echo "hdmi_force_hotplug=1" >> ./boot/config.txt.bak
-sudo echo "hdmi_force_edid_audio=1" >> ./boot/config.txt.bak
 sudo echo "dtparam=i2c_arm=on" >> ./boot/config.txt.bak
 sudo echo "dtparam=spi=on" >> ./boot/config.txt.bak
 sudo echo "enable_uart=1" >> ./boot/config.txt.bak
diff --git a/LCD7C-show b/LCD7C-show
index c9e1085..d2cdcd4 100755
--- a/LCD7C-show
+++ b/LCD7C-show
@@ -4,7 +4,6 @@ sudo ./system_backup.sh
 
 sudo cp -rf ./boot/config-nomal.txt ./boot/config.txt.bak
 sudo echo "hdmi_force_hotplug=1" >> ./boot/config.txt.bak
-sudo echo "hdmi_force_edid_audio=1" >> ./boot/config.txt.bak
 sudo echo "dtparam=i2c_arm=on" >> ./boot/config.txt.bak
 sudo echo "dtparam=spi=on" >> ./boot/config.txt.bak
 sudo echo "enable_uart=1" >> ./boot/config.txt.bak