diff --git a/doc/dev/reference/app_module.rst b/doc/dev/reference/app_module.rst
index 001567aaf..1495db396 100644
--- a/doc/dev/reference/app_module.rst
+++ b/doc/dev/reference/app_module.rst
@@ -32,13 +32,6 @@ triggers the setup() logic allowing the app to run upgrade scripts. This
 attribute is part of the :class:`~plinth.app.Info` component. Need for this
 attribute at the module level will be removed in the future.
 
-<app-module>.managed_packages
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-Optional. This must contain the list of all packages that this app deals with.
-This is mostly needed to enforce better security. This information may be moved
-to a separate component in the future.
-
 <app-module>.managed_services
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
diff --git a/doc/dev/tutorial/components.rst b/doc/dev/tutorial/components.rst
index 9b2d801a1..abbb064ab 100644
--- a/doc/dev/tutorial/components.rst
+++ b/doc/dev/tutorial/components.rst
@@ -126,7 +126,6 @@ Debian packages to be installed.
 
   from plinth.package import Packages
 
-  managed_packages = ['transmission-daemon']
 
   class TransmissionApp(app_module.App):
       ...
@@ -134,7 +133,7 @@ Debian packages to be installed.
       def __init__(self):
         ...
 
-        packages = Packages('packages-transmission', managed_packages)
+        packages = Packages('packages-transmission', ['transmission-daemon'])
         self.add(packages)
 
 The first argument uniquely identifies this instance of the `Packages`
diff --git a/doc/dev/tutorial/setup.rst b/doc/dev/tutorial/setup.rst
index a7fddc0ac..63b82c9ca 100644
--- a/doc/dev/tutorial/setup.rst
+++ b/doc/dev/tutorial/setup.rst
@@ -16,11 +16,9 @@ installation:
 .. code-block:: python3
   :caption: ``__init__.py``
 
-  managed_packages = ['transmission-daemon']
-
   def setup(helper, old_version=None):
       """Install and configure the module."""
-      helper.install(managed_packages)
+      app.setup(old_version)
 
       new_configuration = {
           'rpc-whitelist-enabled': False,