diff --git a/manifest.toml b/manifest.toml
index 4db1efe..a6d69a3 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -18,7 +18,7 @@ code = "https://github.com/Jermolene/TiddlyWiki5"
 fund = "https://opencollective.com/tiddlywiki"
 
 [integration]
-yunohost = ">= 11.2"
+yunohost = ">= 11.2.29"
 helpers_version = "2.1"
 architectures = "all"
 multi_instance = true
diff --git a/scripts/install b/scripts/install
index 34b11ef..f5f6baa 100755
--- a/scripts/install
+++ b/scripts/install
@@ -17,9 +17,6 @@ ynh_script_progression "Setting up source files..."
 
 ynh_setup_source --dest_dir="$install_dir"
 
-chmod -R o-rwx "$install_dir"
-chown -R $app:www-data "$install_dir"
-
 #=================================================
 # SYSTEM CONFIGURATION
 #=================================================
@@ -48,7 +45,6 @@ fi
 #=================================================
 ynh_script_progression "Starting $app's systemd service..."
 
-# Start a systemd service
 ynh_systemctl --service=$app --action="start" --log_path="systemd" --wait_until="Serving on"
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index da793b5..5a77068 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -1,6 +1,5 @@
 #!/bin/bash
 
-# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
@@ -11,9 +10,6 @@ ynh_script_progression "Restoring the app main directory..."
 
 ynh_restore "$install_dir"
 
-chmod -R o-rwx "$install_dir"
-chown -R $app:www-data "$install_dir"
-
 #=================================================
 # RESTORE THE DATA DIRECTORY
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 8fa48ea..8e158ed 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -17,9 +17,6 @@ ynh_script_progression "Upgrading source files..."
 
 ynh_setup_source --dest_dir="$install_dir" --full_replace
 
-chmod -R o-rwx "$install_dir"
-chown -R $app:www-data "$install_dir"
-
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================