diff --git a/certbot-nginx/certbot_nginx/configurator.py b/certbot-nginx/certbot_nginx/configurator.py
index 7e55ff0ea..30f9deea5 100644
--- a/certbot-nginx/certbot_nginx/configurator.py
+++ b/certbot-nginx/certbot_nginx/configurator.py
@@ -149,10 +149,6 @@ class NginxConfigurator(common.Installer):
         if not util.exe_exists(self.conf('ctl')):
             raise errors.NoInstallationError
 
-        # Make sure configuration is valid
-        self.config_test()
-
-
         self.parser = parser.NginxParser(self.conf('server-root'))
 
         install_ssl_options_conf(self.mod_ssl_conf, self.updated_mod_ssl_conf_digest)
diff --git a/certbot-nginx/certbot_nginx/tests/configurator_test.py b/certbot-nginx/certbot_nginx/tests/configurator_test.py
index 6a917204c..a1230aeca 100644
--- a/certbot-nginx/certbot_nginx/tests/configurator_test.py
+++ b/certbot-nginx/certbot_nginx/tests/configurator_test.py
@@ -62,13 +62,11 @@ class NginxConfiguratorTest(util.NginxTest):
         mock_exe_exists.return_value = True
 
         self.config.version = None
-        self.config.config_test = mock.Mock()
         self.config.prepare()
         self.assertEqual((1, 6, 2), self.config.version)
 
     def test_prepare_locked(self):
         server_root = self.config.conf("server-root")
-        self.config.config_test = mock.Mock()
         os.remove(os.path.join(server_root, ".certbot.lock"))
         certbot_test_util.lock_and_call(self._test_prepare_locked, server_root)
 
@@ -379,15 +377,6 @@ class NginxConfiguratorTest(util.NginxTest):
         mock_popen.side_effect = OSError("Can't find program")
         self.assertRaises(errors.MisconfigurationError, self.config.restart)
 
-    @mock.patch("certbot.util.run_script")
-    def test_config_test_bad_process(self, mock_run_script):
-        mock_run_script.side_effect = errors.SubprocessError
-        self.assertRaises(errors.MisconfigurationError, self.config.config_test)
-
-    @mock.patch("certbot.util.run_script")
-    def test_config_test(self, _):
-        self.config.config_test()
-
     @mock.patch("certbot.reverter.Reverter.recovery_routine")
     def test_recovery_routine_throws_error_from_reverter(self, mock_recovery_routine):
         mock_recovery_routine.side_effect = errors.ReverterError("foo")
diff --git a/certbot-nginx/certbot_nginx/tests/util.py b/certbot-nginx/certbot_nginx/tests/util.py
index 6e1b0d8ff..67d3a87bf 100644
--- a/certbot-nginx/certbot_nginx/tests/util.py
+++ b/certbot-nginx/certbot_nginx/tests/util.py
@@ -48,27 +48,25 @@ def get_nginx_configurator(
 
     backups = os.path.join(work_dir, "backups")
 
-    with mock.patch("certbot_nginx.configurator.NginxConfigurator."
-                    "config_test"):
-        with mock.patch("certbot_nginx.configurator.util."
-                        "exe_exists") as mock_exe_exists:
-            mock_exe_exists.return_value = True
-            config = configurator.NginxConfigurator(
-                config=mock.MagicMock(
-                    nginx_server_root=config_path,
-                    le_vhost_ext="-le-ssl.conf",
-                    config_dir=config_dir,
-                    work_dir=work_dir,
-                    logs_dir=logs_dir,
-                    backup_dir=backups,
-                    temp_checkpoint_dir=os.path.join(work_dir, "temp_checkpoints"),
-                    in_progress_dir=os.path.join(backups, "IN_PROGRESS"),
-                    server="https://acme-server.org:443/new",
-                    tls_sni_01_port=5001,
-                ),
-                name="nginx",
-                version=version)
-            config.prepare()
+    with mock.patch("certbot_nginx.configurator.util."
+                    "exe_exists") as mock_exe_exists:
+        mock_exe_exists.return_value = True
+        config = configurator.NginxConfigurator(
+            config=mock.MagicMock(
+                nginx_server_root=config_path,
+                le_vhost_ext="-le-ssl.conf",
+                config_dir=config_dir,
+                work_dir=work_dir,
+                logs_dir=logs_dir,
+                backup_dir=backups,
+                temp_checkpoint_dir=os.path.join(work_dir, "temp_checkpoints"),
+                in_progress_dir=os.path.join(backups, "IN_PROGRESS"),
+                server="https://acme-server.org:443/new",
+                tls_sni_01_port=5001,
+            ),
+            name="nginx",
+            version=version)
+        config.prepare()
 
     # Provide general config utility.
     nsconfig = configuration.NamespaceConfig(config.config)