diff --git a/README.md b/README.md
index 90b3aa2..2cdbf6e 100644
--- a/README.md
+++ b/README.md
@@ -3,25 +3,7 @@
 ## Setup
 ```sh
 sudo apt update && sudo apt upgrade -y
-sudo apt install htop i2c-tools
-raspi-config # enable i2c
-```
-
-### MAC fix
-```sh
-MAC_PREFIX="80:86:00"
-
-files=(
-    "/etc/systemd/network/eth0.network"
-    "/etc/systemd/network/wlan0.network"
-)
-
-for file in "${files[@]}"; do
-    if [ -n "$(cat $file | grep MACAddress )" ]; then continue; fi
-    mac_address=$(printf '%02X:%02X:%02X' $((RANDOM % 256)) $((RANDOM % 256)) $((RANDOM % 256)))
-    cat <<EOF >> "$file"
-[Link]
-MACAddress=$MAC_PREFIX:$mac_address
-EOF
-done
+sudo apt install htop i2c-tools hwclock
+raspi-config # enable i2c & UART
+echo "@reboot root hwclock -s" >> /etc/crontab
 ```