diff -Naur tld-0.12.5.orig/src/tld/tests/test_core.py tld-0.12.5/src/tld/tests/test_core.py
--- tld-0.12.5.orig/src/tld/tests/test_core.py	2021-01-11 22:28:08.000000000 +0100
+++ tld-0.12.5/src/tld/tests/test_core.py	2021-01-12 22:27:47.286114741 +0100
@@ -710,14 +710,6 @@
                 )
             )
 
-    @internet_available_only
-    @log_info
-    def test_19_update_tld_names_cli(self):
-        """Test the return code of the CLI version of `update_tld_names`."""
-        reset_tld_names()
-        res = update_tld_names_cli()
-        self.assertEqual(res, 0)
-
     @log_info
     def test_20_parse_tld_custom_tld_names_good_patterns(self):
         """Test `parse_tld` good URL patterns for custom tld names."""