diff --git a/data/hooks/conf_regen/01-yunohost b/data/hooks/conf_regen/01-yunohost
index 6ac61d07a..9da2d91ca 100755
--- a/data/hooks/conf_regen/01-yunohost
+++ b/data/hooks/conf_regen/01-yunohost
@@ -27,6 +27,29 @@ do_init_regen() {
   # allow users to access /media directory
   [[ -d /etc/skel/media ]] \
     || (mkdir -p /media && ln -s /media /etc/skel/media)
+
+  # Cert folders
+  mkdir -p /etc/yunohost/certs
+  chown -R root:ssl-cert /etc/yunohost/certs
+  chmod 750 /etc/yunohost/certs
+
+  # App folders
+  mkdir -p /etc/yunohost/apps
+  chmod 700 /etc/yunohost/apps
+  mkdir -p /home/yunohost.app
+  chmod 755 /home/yunohost.app
+
+  # Backup folders
+  mkdir -p /home/yunohost.backup/archives
+  chmod 750 /home/yunohost.backup/archives
+  chown root:root /home/yunohost.backup/archives # This is later changed to admin:root once admin user exists
+
+  # Empty ssowat json persistent conf
+  echo "{}" > '/etc/ssowat/conf.json.persistent'
+  chmod 644 /etc/ssowat/conf.json.persistent
+  chown root:root /etc/ssowat/conf.json.persistent
+
+  mkdir -p /var/cache/yunohost/repo
 }
 
 do_pre_regen() {
@@ -67,7 +90,7 @@ EOF
   # (this make sure that the hash is null / file is flagged as to-delete)
   mkdir -p $pending_dir/etc/etckeeper
   touch $pending_dir/etc/etckeeper/etckeeper.conf
-  
+
   # Skip ntp if inside a container (inspired from the conf of systemd-timesyncd)
   mkdir -p ${pending_dir}/etc/systemd/system/ntp.service.d/
   echo "
@@ -75,7 +98,7 @@ EOF
 ConditionCapability=CAP_SYS_TIME
 ConditionVirtualization=!container
 " > ${pending_dir}/etc/systemd/system/ntp.service.d/ynh-override.conf
-  
+
   # Make nftable conflict with yunohost-firewall
   mkdir -p ${pending_dir}/etc/systemd/system/nftables.service.d/
   cat > ${pending_dir}/etc/systemd/system/nftables.service.d/ynh-override.conf << EOF
@@ -94,6 +117,8 @@ do_post_regen() {
   # Enfore permissions #
   ######################
 
+  chown admin:root /home/yunohost.backup/archives
+
   # Certs
   # We do this with find because there could be a lot of them...
   chown -R root:ssl-cert /etc/yunohost/certs
diff --git a/src/yunohost/tools.py b/src/yunohost/tools.py
index f01f6adb8..348266ccb 100644
--- a/src/yunohost/tools.py
+++ b/src/yunohost/tools.py
@@ -294,27 +294,6 @@ def tools_postinstall(operation_logger, domain, password, ignore_dyndns=False,
     # TODO: Improve this part by integrate ldapinit into conf_regen hook
     tools_ldapinit()
 
-    # Create required folders
-    folders_to_create = [
-        '/etc/yunohost/apps',
-        '/etc/yunohost/certs',
-        '/var/cache/yunohost/repo',
-        '/home/yunohost.backup',
-        '/home/yunohost.app'
-    ]
-
-    for folder in [x for x in folders_to_create if not os.path.exists(x)]:
-        os.makedirs(folder)
-
-    # Change folders permissions
-    os.system('chmod 755 /home/yunohost.app')
-
-    # Init ssowat's conf.json.persistent
-    if not os.path.exists('/etc/ssowat/conf.json.persistent'):
-        write_to_json('/etc/ssowat/conf.json.persistent', {})
-
-    os.system('chmod 644 /etc/ssowat/conf.json.persistent')
-
     # Create SSL CA
     regen_conf(['ssl'], force=True)
     ssl_dir = '/usr/share/yunohost/yunohost-config/ssl/yunoCA'
@@ -366,12 +345,6 @@ def tools_postinstall(operation_logger, domain, password, ignore_dyndns=False,
     except Exception as e:
         logger.warning(str(e))
 
-    # Create the archive directory (makes it easier for people to upload backup
-    # archives, otherwise it's only created after running `yunohost backup
-    # create` once.
-    from yunohost.backup import _create_archive_dir
-    _create_archive_dir()
-
     # Init migrations (skip them, no need to run them on a fresh system)
     _skip_all_migrations()