diff --git a/scripts/upgrade b/scripts/upgrade
index de647c5..c3b9f01 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -53,6 +53,12 @@ ynh_systemd_action --service_name="$app" --action="stop" --line_match="Stopped"
 #=================================================
 ynh_script_progression --message="Ensuring downward compatibility..."
 
+# Upgrade from <=0.6.6~ynh1:
+if ynh_compare_current_package_version --comparison le --version 0.6.6~ynh1
+then
+	rm /etc/"$app"/config.d/server.toml
+fi
+
 #=================================================
 # CREATE DEDICATED USER
 #=================================================