diff --git a/core/scripts/normalsub/normalsub.sh b/core/scripts/normalsub/normalsub.sh
index c23f1d7..a4326eb 100644
--- a/core/scripts/normalsub/normalsub.sh
+++ b/core/scripts/normalsub/normalsub.sh
@@ -85,7 +85,7 @@ stop_service() {
 
     if [ -n "$HYSTERIA_DOMAIN" ]; then
         echo -e "${yellow}Deleting SSL certificate for domain: $HYSTERIA_DOMAIN...${NC}"
-        sudo certbot delete --cert-name "$HYSTERIA_DOMAIN" --non-interactive > /dev/null 2>&1
+        certbot delete --cert-name "$HYSTERIA_DOMAIN" --non-interactive > /dev/null 2>&1
     else
         echo -e "${red}HYSTERIA_DOMAIN not found in .env. Skipping certificate deletion.${NC}"
     fi
diff --git a/core/scripts/singbox/singbox_shell.sh b/core/scripts/singbox/singbox_shell.sh
index 0bc2ca9..47fe219 100644
--- a/core/scripts/singbox/singbox_shell.sh
+++ b/core/scripts/singbox/singbox_shell.sh
@@ -89,7 +89,7 @@ stop_service() {
 
     if [ -n "$HYSTERIA_DOMAIN" ]; then
         echo -e "${yellow}Deleting SSL certificate for domain: $HYSTERIA_DOMAIN...${NC}"
-        sudo certbot delete --cert-name "$HYSTERIA_DOMAIN" --non-interactive > /dev/null 2>&1
+        certbot delete --cert-name "$HYSTERIA_DOMAIN" --non-interactive > /dev/null 2>&1
     else
         echo -e "${red}HYSTERIA_DOMAIN not found in .env. Skipping certificate deletion.${NC}"
     fi