diff --git a/conf/nginx.conf b/conf/nginx.conf
index a5c309b..8b721d2 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -4,11 +4,6 @@ location __PATH__/ {
   # Path to source
   alias __FINALPATH__/ ;
 
-  # Force usage of https
-  if ($scheme = http) {
-    rewrite ^ https://$server_name$request_uri? permanent;
-  }
-
   index index.php;
   
   # Common parameter to increase upload size limit in conjunction with dedicated php-fpm file
diff --git a/manifest.json b/manifest.json
index cfaf35b..3b1fcb2 100644
--- a/manifest.json
+++ b/manifest.json
@@ -27,7 +27,7 @@
        "url": "https://github.com/jesuisfol/adminer_ynh"
         },
     "requirements": {
-        "yunohost": ">= 4.2.4"
+        "yunohost": ">= 4.3.0"
     },
     "multi_instance": true,
     "services": [
diff --git a/scripts/upgrade b/scripts/upgrade
index ad09d67..6e441f6 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -42,12 +42,6 @@ ynh_clean_setup () {
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
-#=================================================
-# CHECK VERSION
-#=================================================
-
-upgrade_type=$(ynh_check_app_version_changed)
-
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY
 #=================================================