diff --git a/build-aux/post_install.py b/build-aux/post_install.py
deleted file mode 100644
index bf320a9d..00000000
--- a/build-aux/post_install.py
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/usr/bin/env python3
-
-import os
-import subprocess
-
-install_prefix = os.environ['MESON_INSTALL_PREFIX']
-icondir = os.path.join(install_prefix, 'share', 'icons', 'hicolor')
-schemadir = os.path.join(install_prefix, 'share', 'glib-2.0', 'schemas')
-
-if not os.environ.get('DESTDIR'):
-  print('Update icon cache...')
-  subprocess.call(['gtk-update-icon-cache', '-f', '-t', icondir])
-
-  print('Compiling gsettings schemas...')
-  subprocess.call(['glib-compile-schemas', schemadir])
diff --git a/meson.build b/meson.build
index 94e0eda3..a2cde71b 100644
--- a/meson.build
+++ b/meson.build
@@ -221,8 +221,12 @@ endif
 
 files(iso_639_xml, iso_3166_xml) # Check to make sure these exist
 
-# Post-install scripts
-meson.add_install_script('build-aux' / 'post_install.py')
+# Post-install script
+gnome.post_install(
+  gtk_update_icon_cache: true,
+  glib_compile_schemas: true,
+  update_desktop_database: true,
+)
 
 # Subfolders
 subdir('desktop')