diff --git a/scripts/upgrade b/scripts/upgrade
index 4c2bcfa..02e37e2 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -7,13 +7,6 @@
 #=================================================
 
 source _common.sh
-source /usr/share/yunohost/helpers
-
-#=================================================
-# CHECK VERSION
-#=================================================
-
-upgrade_type=$(ynh_check_app_version_changed)
 
 #=================================================
 # NGINX CONFIGURATION