diff --git a/core/modules/block/lib/Drupal/block/Tests/BlockTestBase.php b/core/modules/block/lib/Drupal/block/Tests/BlockTestBase.php
index 3dbbf90..39aa634 100644
--- a/core/modules/block/lib/Drupal/block/Tests/BlockTestBase.php
+++ b/core/modules/block/lib/Drupal/block/Tests/BlockTestBase.php
@@ -19,7 +19,7 @@
    *
    * @var array
    */
-  public static $modules = array('block', 'test_page_test');
+  public static $modules = array('block', 'filter', 'test_page_test');
 
   /**
    * A list of theme regions to test.
diff --git a/core/modules/edit/edit.info.yml b/core/modules/edit/edit.info.yml
index 4f07cdf..5963e75 100644
--- a/core/modules/edit/edit.info.yml
+++ b/core/modules/edit/edit.info.yml
@@ -7,3 +7,4 @@ version: VERSION
 dependencies:
   - contextual
   - field
+  - filter
diff --git a/core/modules/filter/filter.info.yml b/core/modules/filter/filter.info.yml
index 888f545..ebdafc3 100644
--- a/core/modules/filter/filter.info.yml
+++ b/core/modules/filter/filter.info.yml
@@ -4,5 +4,4 @@ description: 'Filters content in preparation for display.'
 package: Core
 version: VERSION
 core: 8.x
-required: true
 configure: filter.admin_overview
diff --git a/core/modules/node/node.info.yml b/core/modules/node/node.info.yml
index 181830e..e61b363 100644
--- a/core/modules/node/node.info.yml
+++ b/core/modules/node/node.info.yml
@@ -5,3 +5,5 @@ package: Core
 version: VERSION
 core: 8.x
 configure: node.overview_types
+dependencies:
+  - text
diff --git a/core/modules/text/text.info.yml b/core/modules/text/text.info.yml
index beb45e4..71f45bd 100644
--- a/core/modules/text/text.info.yml
+++ b/core/modules/text/text.info.yml
@@ -6,4 +6,4 @@ version: VERSION
 core: 8.x
 dependencies:
   - field
-required: true
+  - filter
diff --git a/core/modules/user/lib/Drupal/user/AccountFormController.php b/core/modules/user/lib/Drupal/user/AccountFormController.php
index 4983b0f..5cd0f9d 100644
--- a/core/modules/user/lib/Drupal/user/AccountFormController.php
+++ b/core/modules/user/lib/Drupal/user/AccountFormController.php
@@ -194,21 +194,23 @@ public function form(array $form, array &$form_state) {
       '#access' => $register && $admin,
     );
 
-    // Signature.
-    $form['signature_settings'] = array(
-      '#type' => 'details',
-      '#title' => $this->t('Signature settings'),
-      '#weight' => 1,
-      '#access' => (!$register && $config->get('signatures')),
-    );
+    if ($this->moduleHandler->moduleExists('filter')) {
+      // Signature.
+      $form['signature_settings'] = array(
+        '#type' => 'details',
+        '#title' => $this->t('Signature settings'),
+        '#weight' => 1,
+        '#access' => (!$register && $config->get('signatures')),
+      );
 
-    $form['signature_settings']['signature'] = array(
-      '#type' => 'text_format',
-      '#title' => $this->t('Signature'),
-      '#default_value' => $account->getSignature(),
-      '#description' => $this->t('Your signature will be publicly displayed at the end of your comments.'),
-      '#format' => $account->getSignatureFormat(),
-    );
+      $form['signature_settings']['signature'] = array(
+        '#type' => 'text_format',
+        '#title' => $this->t('Signature'),
+        '#default_value' => $account->getSignature(),
+        '#description' => $this->t('Your signature will be publicly displayed at the end of your comments.'),
+        '#format' => $account->getSignatureFormat(),
+      );
+    }
 
     $user_preferred_langcode = $register ? $language_interface->id : $account->getPreferredLangcode();
 
diff --git a/core/modules/user/lib/Drupal/user/AccountSettingsForm.php b/core/modules/user/lib/Drupal/user/AccountSettingsForm.php
index ace1834..69f3ab5 100644
--- a/core/modules/user/lib/Drupal/user/AccountSettingsForm.php
+++ b/core/modules/user/lib/Drupal/user/AccountSettingsForm.php
@@ -151,14 +151,17 @@ public function buildForm(array $form, array &$form_state) {
     }
 
     // Account settings.
+    $filter_exists = $this->moduleHandler->moduleExists('filter');
     $form['personalization'] = array(
       '#type' => 'details',
       '#title' => $this->t('Personalization'),
+      '#access' => $filter_exists,
     );
     $form['personalization']['user_signatures'] = array(
       '#type' => 'checkbox',
       '#title' => $this->t('Enable signatures.'),
-      '#default_value' => $config->get('signatures'),
+      '#default_value' => $filter_exists ? $config->get('signatures') : 0,
+      '#access' => $filter_exists,
     );
 
     // Default notifications address.
diff --git a/core/modules/user/lib/Drupal/user/Tests/UserSignatureTest.php b/core/modules/user/lib/Drupal/user/Tests/UserSignatureTest.php
index 25fd8d9..bceb540 100644
--- a/core/modules/user/lib/Drupal/user/Tests/UserSignatureTest.php
+++ b/core/modules/user/lib/Drupal/user/Tests/UserSignatureTest.php
@@ -19,7 +19,7 @@ class UserSignatureTest extends WebTestBase {
    *
    * @var array
    */
-  public static $modules = array('comment');
+  public static $modules = array('comment', 'filter');
 
   public static function getInfo() {
     return array(
diff --git a/core/modules/user/user.views.inc b/core/modules/user/user.views.inc
index 45a76d0..3e940b8 100644
--- a/core/modules/user/user.views.inc
+++ b/core/modules/user/user.views.inc
@@ -267,18 +267,20 @@ function user_views_data() {
     ),
   );
 
-  $data['users']['signature'] = array(
-    'title' => t('Signature'),
-    'help' => t("The user's signature."),
-    'field' => array(
-      'id' => 'markup',
-      'format' => filter_fallback_format(),
-      'click sortable' => FALSE,
-    ),
-    'filter' => array(
-      'id' => 'string',
-    ),
-  );
+  if (\Drupal::moduleHandler()->moduleExists('filter')) {
+    $data['users']['signature'] = array(
+      'title' => t('Signature'),
+      'help' => t("The user's signature."),
+      'field' => array(
+        'id' => 'markup',
+        'format' => filter_fallback_format(),
+        'click sortable' => FALSE,
+      ),
+      'filter' => array(
+        'id' => 'string',
+      ),
+    );
+  }
 
   if (\Drupal::moduleHandler()->moduleExists('content_translation')) {
     $data['users']['translation_link'] = array(
diff --git a/core/modules/views/views.info.yml b/core/modules/views/views.info.yml
index 6187d3e..9e9b384 100644
--- a/core/modules/views/views.info.yml
+++ b/core/modules/views/views.info.yml
@@ -4,3 +4,5 @@ description: 'Create customized lists and queries from your database.'
 package: Core
 version: VERSION
 core: 8.x
+dependencies:
+  - filter
diff --git a/core/profiles/standard/standard.info.yml b/core/profiles/standard/standard.info.yml
index ba41dd5..dca14d0 100644
--- a/core/profiles/standard/standard.info.yml
+++ b/core/profiles/standard/standard.info.yml
@@ -19,6 +19,7 @@ dependencies:
   - edit
   - editor
   - entity_reference
+  - filter
   - help
   - image
   - menu
@@ -29,6 +30,7 @@ dependencies:
   - dblog
   - search
   - shortcut
+  - text
   - toolbar
   - field_ui
   - file