diff --git a/src/linux/scripts/beforeInstall.sh b/src/linux/scripts/beforeInstall.sh
index b8a84f504..571b67a04 100644
--- a/src/linux/scripts/beforeInstall.sh
+++ b/src/linux/scripts/beforeInstall.sh
@@ -15,40 +15,8 @@ function do_and_check_cmd() {
     return 0
 }
 
-# Check the os running
-if [ -f /etc/os-release ]; then
-    # shellcheck disable=SC1091
-    . /etc/os-release
-    OS=$NAME
-    if [[ "$OS" == "Ubuntu" || "$OS" == "Debian" ]]; then
-        # Get the version of the package
-        VERSION=$(dpkg-query -W -f='${Version}' bunkerweb)
-        if dpkg --compare-versions "$VERSION" lt "1.6.0-beta" && [ -f /var/tmp/variables.env ] && [ -f /var/tmp/ui.env ]; then
-            echo "ℹ️ Copy /var/tmp/variables.env to /etc/bunkerweb/variables.env"
-            do_and_check_cmd cp -f /var/tmp/variables.env /etc/bunkerweb/variables.env
-            echo "ℹ️ Copy /var/tmp/ui.env to /etc/bunkerweb/ui.env"
-            do_and_check_cmd cp -f /var/tmp/ui.env /etc/bunkerweb/ui.env
-        fi
-    elif [[ "$OS" == "Red Hat Enterprise Linux" || "$OS" == "Fedora" ]]; then
-        # Get the version of the package
-        VERSION=$(rpm -q --queryformat '%{VERSION}' bunkerweb)
-        if [ "$(printf '%s\n' "$VERSION" "$(echo '1.6.0-beta' | tr -d ' ')" | sort -V | head -n 1)" = "$VERSION" ] && [ -f /var/tmp/variables.env ] && [ -f /var/tmp/ui.env ]; then
-            echo "ℹ️ Copy /var/tmp/variables.env to /etc/bunkerweb/variables.env"
-            do_and_check_cmd cp -f /var/tmp/variables.env /etc/bunkerweb/variables.env
-            echo "ℹ️ Copy /var/tmp/ui.env to /etc/bunkerweb/ui.env"
-            do_and_check_cmd cp -f /var/tmp/ui.env /etc/bunkerweb/ui.env
-        fi
-    fi
-    if [ -f /var/tmp/db.sqlite3 ]; then
-        echo "ℹ️ Copy /var/tmp/db.sqlite3 to /var/lib/bunkerweb/db.sqlite3"
-        do_and_check_cmd cp -f /var/tmp/db.sqlite3 /var/lib/bunkerweb/db.sqlite3
-    fi
-    if [ -d /etc/nginx ]; then
-        output_path="/etc/nginx_backup_$(date +%s)"
-        echo "ℹ️ Copy /etc/nginx to $output_path"
-        do_and_check_cmd cp -R /etc/nginx $output_path
-    fi
-else
-    echo "❌ Error: /etc/os-release not found"
-    exit 1
+if [ -d /etc/nginx ]; then
+    output_path="/etc/nginx_backup_$(date +%s)"
+    echo "ℹ️ Copy /etc/nginx to $output_path"
+    do_and_check_cmd cp -R /etc/nginx "$output_path"
 fi