--- a/meson_post_install.py
+++ b/meson_post_install.py
@@ -7,10 +7,6 @@
 if not os.environ.get('DESTDIR'):
   datadir = sys.argv[1]
 
-  icondir = os.path.join(datadir, 'icons', 'hicolor')
-  print('Update icon cache...')
-  subprocess.call(['gtk-update-icon-cache', '-f', '-t', icondir])
-
   schemadir = os.path.join(datadir, 'glib-2.0', 'schemas')
   print('Compile gsettings schemas...')
   subprocess.call(['glib-compile-schemas', schemadir])
@@ -18,8 +14,3 @@
   desktop_file = os.path.join(datadir, 'applications', 'org.gnome.bijiben.desktop')
   print('Validate desktop file...')
   subprocess.call(['desktop-file-validate', desktop_file])
-
-  if sys.argv[2] == 'update-mimedb':
-    mimedir = os.path.join(datadir, 'mime')
-    print('Update mime database...')
-    subprocess.call(['update-mime-database', mimedir])