diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
deleted file mode 100644
index c54cb6f..0000000
--- a/.gitlab-ci.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-image: python:3.5-jessie
-test:
-  script:
-  - apt-get update
-  - apt-get install git
-  - git clone https://github.com/YunoHost/package_linter
-  - python package_linter/package_linter.py .
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 575ce13..319f198 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,7 +5,7 @@
 #=================================================
 
 # dependencies used by the app
-#pkg_dependencies="rrdtool rrdcached collectd"
+pkg_dependencies="rrdtool rrdcached collectd"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/install b/scripts/install
index 65083ec..d4b6568 100755
--- a/scripts/install
+++ b/scripts/install
@@ -59,9 +59,9 @@ ynh_app_setting_set --app=$app --key=port --value=$port
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
-# ynh_script_progression --message="Installing dependencies..." --weight=9
+ynh_script_progression --message="Installing dependencies..." --weight=9
 
-# ynh_install_app_dependencies $pkg_dependencies
+ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # CREATE DEDICATED USER
diff --git a/scripts/remove b/scripts/remove
index 597ec10..84203db 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -62,6 +62,7 @@ ynh_script_progression --message="Removing app main directory..." --time --weigh
 
 # Remove the app directory securely
 ynh_secure_remove --file="$final_path"
+
 #=================================================
 # REMOVE NGINX CONFIGURATION
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index f449fb8..ee0e594 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -47,12 +47,6 @@ ynh_abort_if_errors
 #=================================================
 ynh_script_progression --message="Ensuring downward compatibility..." --time --weight=1
 
-#
-# N.B. : the followings setting migrations snippets are provided as *EXAMPLES*
-# of what you may want to do in some cases (e.g. a setting was not defined on
-# some legacy installs and you therefore want to initiaze stuff during upgrade)
-#
-
 # If db_name doesn't exist, create it
 #if [ -z "$db_name" ]; then
 #	db_name=$(ynh_sanitize_dbid --db_name=$app)
@@ -65,9 +59,6 @@ ynh_script_progression --message="Ensuring downward compatibility..." --time --w
 #	ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 #fi
 
-### If nobody installed your app before 4.1,
-### then you may safely remove these lines
-
 # Cleaning legacy permissions
 if ynh_legacy_permissions_exists; then
 	ynh_legacy_permissions_delete_all
@@ -110,9 +101,9 @@ ynh_add_nginx_config
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================
-# ynh_script_progression --message="Upgrading dependencies..." --weight=1
+ynh_script_progression --message="Upgrading dependencies..." --weight=1
 
-# ynh_install_app_dependencies $pkg_dependencies
+ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # UPDATE A CONFIG FILE