diff --git a/scripts/upgrade b/scripts/upgrade
index 75ef24d..80c5f44 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -16,8 +16,9 @@ upgrade_type=$(ynh_check_app_version_changed)
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY
 #=================================================
-#ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
-
+ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
+ynh_secure_remove --file="$install_dir/bin/scrutiny-web-linux-$YNH_ARCH"
+ynh_secure_remove --file="$install_dir/bin/scrutiny-collector-metrics-linux-$YNH_ARCH"
 
 #=================================================
 # STOP SYSTEMD SERVICE