diff --git a/scripts/_common.sh b/scripts/_common.sh
index 9467def..906d2ba 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -81,13 +81,10 @@ process_ips(){
         # check if the so-called IP really is one
         if ynh_validate_ip4 --ip_address="$ip" || ynh_validate_ip6 --ip_address="$ip"; then
             # don't process if the IP is public and the port 53 closed
-            echo "IP validated: $ip"
-            if [ "$(is_public_ip "$ip")" == 0 ] && [ "$open_port_53" == "false" ]; then
+            if is_public_ip "$ip" && [ "$open_port_53" == "false" ]; then
                 # don't add this IP (do nothing)
-                echo "don't add"
                 :
             else
-                echo "add"
                 # add this IP and a space as IP delimiter
                 processed_ips+="$ip "
             fi