diff -u b/modules/redirect_404/config/schema/redirect_404.schema.yml b/modules/redirect_404/config/schema/redirect_404.schema.yml
--- b/modules/redirect_404/config/schema/redirect_404.schema.yml
+++ b/modules/redirect_404/config/schema/redirect_404.schema.yml
@@ -14 +14 @@
-      label: '404 logged messages to be suppressed.'
+      label: "Whether to log 'page not found' messages to the standard log or not."
diff -u b/modules/redirect_404/redirect_404.module b/modules/redirect_404/redirect_404.module
--- b/modules/redirect_404/redirect_404.module
+++ b/modules/redirect_404/redirect_404.module
@@ -53,9 +53,9 @@
 
   $form['suppress_404'] = [
     '#type' => 'checkbox',
-    '#title' => t('Suppress 404'),
+    '#title' => t("Suppress 'page not found' log messages"),
     '#default_value' => $config->get('suppress_404'),
-    '#description' => t('404 logged messages to be suppressed, which are not needed for redirect_404 to run. Enable this setting if your site gets a lot of 404 requests.'),
+    '#description' => t("Prevents logging 'page not found' events. Can be safely enabled when redirect_404 module is used, which stores them separately, nothing else relies on those messages."),
   ];
 
   $form['#submit'][] = 'redirect_404_logging_settings_submit';
diff -u b/modules/redirect_404/redirect_404.services.yml b/modules/redirect_404/redirect_404.services.yml
--- b/modules/redirect_404/redirect_404.services.yml
+++ b/modules/redirect_404/redirect_404.services.yml
@@ -12,5 +12,5 @@
   logger.redirect_404:
     public: false
-    class: \Drupal\redirect_404\Render\Redirect404SuppressLogger
+    class: \Drupal\redirect_404\Render\Redirect404LogSuppressor
     decorates: logger.factory
     arguments: ['@logger.redirect_404.inner', '@config.factory']
reverted:
--- b/modules/redirect_404/src/Render/Redirect404SuppressLogger.php
+++ /dev/null
@@ -1,63 +0,0 @@
-<?php
-
-namespace Drupal\redirect_404\Render;
-
-use Drupal\Core\Config\ConfigFactoryInterface;
-use Drupal\Core\Logger\LoggerChannelFactory;
-use Drupal\Core\Logger\LoggerChannelFactoryInterface;
-use Psr\Log\LoggerInterface;
-use Psr\Log\NullLogger;
-
-/**
- * Suppresses logged 404 messages that are not needed for redirect_404 to run.
- */
-class Redirect404SuppressLogger extends LoggerChannelFactory {
-
-  /**
-   * The logger channel factory.
-   *
-   * @var \Drupal\Core\Logger\LoggerChannelFactoryInterface
-   */
-  protected $logger;
-
-  /**
-   * The configuration factory.
-   *
-   * @var \Drupal\Core\Config\ConfigFactoryInterface
-   */
-  protected $config;
-
-  /**
-   * Constructs a Redirect404SuppressLogger object.
-   *
-   * @param \Drupal\Core\Logger\LoggerChannelFactoryInterface $logger
-   *   The logger channel factory.
-   * @param \Drupal\Core\Config\ConfigFactoryInterface $config
-   *   The configuration factory.
-   */
-  public function __construct(LoggerChannelFactoryInterface $logger, ConfigFactoryInterface $config) {
-    $this->logger = $logger;
-    $this->config = $config->get('redirect_404.settings');
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function get($channel) {
-    if ($this->config->get('suppress_404') && $channel == 'page not found') {
-      // Do not log if the suppress_404 is enabled and a 404 error is detected.
-      return new NullLogger();
-    }
-
-    // Call LoggerChannelFactory to let the default logger workflow proceed.
-    return $this->logger->get($channel);
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function addLogger(LoggerInterface $logger, $priority = 0) {
-    parent::addLogger($logger, $priority);
-  }
-
-}
reverted:
--- b/modules/redirect_404/src/Tests/Redirect404SuppressLoggerTest.php
+++ /dev/null
@@ -1,86 +0,0 @@
-<?php
-
-namespace Drupal\redirect_404\Tests;
-
-/**
- * Tests suppressing 404 logs if the suppress_404 setting is enabled.
- *
- * @group redirect_404
- */
-class Redirect404SuppressLoggerTest extends Redirect404TestBase {
-
-  /**
-   * Additional modules to enable.
-   *
-   * @var array
-   */
-  public static $modules = ['dblog'];
-
-  /**
-   * A user with some relevant administrative permissions.
-   *
-   * @var \Drupal\user\UserInterface
-   */
-  protected $adminUser;
-
-  /**
-   * A user without any permissions.
-   *
-   * @var \Drupal\user\UserInterface
-   */
-  protected $webUser;
-
-  /**
-   * {@inheritdoc}
-   */
-  public function setUp() {
-    parent::setUp();
-
-    // Create users with specific permissions.
-    $this->adminUser = $this->drupalCreateUser([
-      'administer redirects',
-      'administer redirect settings',
-      'access site reports',
-      'access content',
-      'bypass node access',
-      'administer site configuration',
-      'access administration pages',
-      'administer users',
-    ]);
-    $this->webUser = $this->drupalCreateUser([]);
-  }
-
-  /**
-   * Tests the suppress_404 service.
-   */
-  public function testSuppress404Events() {
-    // Cause a page not found and an access denied event.
-    $this->drupalGet('page-not-found');
-    $this->assertResponse(404);
-    $this->drupalLogin($this->webUser);
-    $this->drupalGet('admin/reports/dblog');
-    $this->assertResponse(403);
-
-    // Assert the events are logged in the dblog reports.
-    $this->assertEqual(db_query("SELECT COUNT(*) FROM {watchdog} WHERE type LIKE 'page not found'")->fetchField(), 1);
-    $this->assertEqual(db_query("SELECT COUNT(*) FROM {watchdog} WHERE type LIKE 'access denied'")->fetchField(), 1);
-
-    // Login as admin and enable suppress_404 to avoid logging the 404 event.
-    $this->drupalLogin($this->adminUser);
-    $edit = ['suppress_404' => TRUE];
-    $this->drupalPostForm('admin/config/search/redirect/settings', $edit, 'Save configuration');
-
-    // Cause again a page not found and an access denied event.
-    $this->drupalGet('page-not-found');
-    $this->assertResponse(404);
-    $this->drupalLogin($this->webUser);
-    $this->drupalGet('admin/reports/dblog');
-    $this->assertResponse(403);
-
-    // Assert only the new access denied event is logged now.
-    $this->drupalLogin($this->adminUser);
-    $this->assertEqual(db_query("SELECT COUNT(*) FROM {watchdog} WHERE type LIKE 'page not found'")->fetchField(), 1);
-    $this->assertEqual(db_query("SELECT COUNT(*) FROM {watchdog} WHERE type LIKE 'access denied'")->fetchField(), 2);
-
-  }
-}
only in patch2:
unchanged:
--- /dev/null
+++ b/modules/redirect_404/src/Render/Redirect404LogSuppressor.php
@@ -0,0 +1,63 @@
+<?php
+
+namespace Drupal\redirect_404\Render;
+
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\Logger\LoggerChannelFactory;
+use Drupal\Core\Logger\LoggerChannelFactoryInterface;
+use Psr\Log\LoggerInterface;
+use Psr\Log\NullLogger;
+
+/**
+ * Allows 'page not found' events to be suppressed by returning a NullLogger.
+ */
+class Redirect404LogSuppressor implements LoggerChannelFactoryInterface {
+
+  /**
+   * The logger channel factory.
+   *
+   * @var \Drupal\Core\Logger\LoggerChannelFactoryInterface
+   */
+  protected $loggerChannelFactory;
+
+  /**
+   * The configuration factory.
+   *
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $configFactory;
+
+  /**
+   * Constructs a Redirect404LogSuppressor object.
+   *
+   * @param \Drupal\Core\Logger\LoggerChannelFactory $logger_channel_factory
+   *   The logger channel factory.
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+   *   The configuration factory.
+   */
+  public function __construct(LoggerChannelFactory $logger_channel_factory, ConfigFactoryInterface $config_factory) {
+    $this->loggerChannelFactory = $logger_channel_factory;
+    $this->configFactory = $config_factory;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function get($channel) {
+    if ($channel == 'page not found' && $this->configFactory->get('redirect_404.settings')->get('suppress_404')) {
+      // Do not log if a 404 error is detected and the suppress_404 is enabled.
+      return new NullLogger();
+    }
+
+    // Call LoggerChannelFactory to let the default logger workflow proceed.
+    return $this->loggerChannelFactory->get($channel);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function addLogger(LoggerInterface $logger, $priority = 0) {
+    $this->loggerChannelFactory->addLogger($logger, $priority);
+  }
+
+}
only in patch2:
unchanged:
--- /dev/null
+++ b/modules/redirect_404/src/Tests/Redirect404LogSuppressorTest.php
@@ -0,0 +1,80 @@
+<?php
+
+namespace Drupal\redirect_404\Tests;
+
+/**
+ * Tests suppressing 404 logs if the suppress_404 setting is enabled.
+ *
+ * @group redirect_404
+ */
+class Redirect404LogSuppressorTest extends Redirect404TestBase {
+
+  /**
+   * Additional modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = ['dblog'];
+
+  /**
+   * A user with some relevant administrative permissions.
+   *
+   * @var \Drupal\user\UserInterface
+   */
+  protected $adminUser;
+
+  /**
+   * A user without any permissions.
+   *
+   * @var \Drupal\user\UserInterface
+   */
+  protected $webUser;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setUp() {
+    parent::setUp();
+
+    // Create users with specific permissions.
+    $this->adminUser = $this->drupalCreateUser([
+      'administer redirect settings',
+      'access site reports',
+    ]);
+    $this->webUser = $this->drupalCreateUser([]);
+  }
+
+  /**
+   * Tests the suppress_404 service.
+   */
+  public function testSuppress404Events() {
+    // Cause a page not found and an access denied event.
+    $this->drupalGet('page-not-found');
+    $this->assertResponse(404);
+    $this->drupalLogin($this->webUser);
+    $this->drupalGet('admin/reports/dblog');
+    $this->assertResponse(403);
+
+    // Assert the events are logged in the dblog reports.
+    $this->assertEqual(db_query("SELECT COUNT(*) FROM {watchdog} WHERE type = 'page not found'")->fetchField(), 1);
+    $this->assertEqual(db_query("SELECT COUNT(*) FROM {watchdog} WHERE type = 'access denied'")->fetchField(), 1);
+
+    // Login as admin and enable suppress_404 to avoid logging the 404 event.
+    $this->drupalLogin($this->adminUser);
+    $edit = ['suppress_404' => TRUE];
+    $this->drupalPostForm('admin/config/search/redirect/settings', $edit, 'Save configuration');
+
+    // Cause again a page not found and an access denied event.
+    $this->drupalGet('page-not-found');
+    $this->assertResponse(404);
+    $this->drupalLogin($this->webUser);
+    $this->drupalGet('admin/reports/dblog');
+    $this->assertResponse(403);
+
+    // Assert only the new access denied event is logged now.
+    $this->drupalLogin($this->adminUser);
+    $this->assertEqual(db_query("SELECT COUNT(*) FROM {watchdog} WHERE type = 'page not found'")->fetchField(), 1);
+    $this->assertEqual(db_query("SELECT COUNT(*) FROM {watchdog} WHERE type = 'access denied'")->fetchField(), 2);
+
+  }
+}