diff --git a/README.md b/README.md
index 2763ec0..09005ef 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,8 @@
 NetData for YunoHost
 ---------------------
 
+[![Integration level](https://dash.yunohost.org/integration/netdata.svg)](https://ci-apps.yunohost.org/jenkins/job/netdata%20%28Community%29/lastBuild/consoleFull) ![](https://ci-apps.yunohost.org/ci/badges/netdata.status.svg) ![](https://ci-apps.yunohost.org/ci/badges/netdata.maintain.svg)  
 [![Install NetData with YunoHost](https://install-app.yunohost.org/install-with-yunohost.png)](https://install-app.yunohost.org/?app=netdata)
-[![Integration level](https://dash.yunohost.org/integration/netdata.svg)](https://ci-apps.yunohost.org/jenkins/job/netdata%20%28Community%29/lastBuild/consoleFull)  
-
 
 [NetData](http://my-netdata.io/) is a system for **distributed real-time performance and health monitoring**.
 It provides **unparalleled insights, in real-time**, of everything happening on the
diff --git a/manifest.json b/manifest.json
index 9267d04..b1e9fd3 100644
--- a/manifest.json
+++ b/manifest.json
@@ -15,7 +15,7 @@
         "url": ""
     },
     "requirements": {
-    "yunohost": ">= 2.7.2"
+    "yunohost": ">= 3.8.0"
     },
     "multi_instance": false,
     "services": [
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 4ce15f4..6fc2136 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -37,8 +37,8 @@ touch /opt/netdata/etc/netdata/.opt-out-from-anonymous-statistics
     # Need dovecot 2.2.16+
     if [ -f /var/run/dovecot/stats ] ; then
       # Until Debian Strech
-    setfacl -m u:netdata:rw /var/run/dovecot/stats
-  fi
+      setfacl -m u:netdata:rw /var/run/dovecot/stats
+    fi
     if [ -f /var/run/dovecot/old-stats ] ; then
       # From Debian Buster
       setfacl -m u:netdata:rw /var/run/dovecot/old-stats
@@ -95,15 +95,3 @@ EOF
   fi
   chgrp netdata $postgres_file
 }
-
-# ============= FUTURE YUNOHOST HELPER =============
-# Delete a file checksum from the app settings
-#
-# $app should be defined when calling this helper
-#
-# usage: ynh_remove_file_checksum file
-# | arg: file - The file for which the checksum will be deleted
-ynh_delete_file_checksum () {
-	local checksum_setting_name=checksum_${1//[\/ ]/_}	# Replace all '/' and ' ' by '_'
-	ynh_app_setting_delete $app $checksum_setting_name
-}
diff --git a/scripts/backup b/scripts/backup
index 503a5b3..4674860 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -6,12 +6,7 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
-if [ ! -e _common.sh ]; then
-	# Get the _common.sh file if it's not in the current directory
-	cp ../settings/scripts/_common.sh ./_common.sh
-	chmod a+rx _common.sh
-fi
-source _common.sh
+source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 833a995..48648e9 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -6,11 +6,6 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
-if [ ! -e _common.sh ]; then
-	# Get file fonction if not been to the current directory
-	cp ../settings/scripts/_common.sh ./_common.sh
-	chmod a+rx _common.sh
-fi
 # Source app helpers
 source _common.sh
 source /usr/share/yunohost/helpers
diff --git a/scripts/restore b/scripts/restore
index 2424b61..4b6ec37 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -6,12 +6,7 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
-if [ ! -e _common.sh ]; then
-	# Get the _common.sh file if it's not in the current directory
-	cp ../settings/scripts/_common.sh ./_common.sh
-	chmod a+rx _common.sh
-fi
-source _common.sh
+source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================