diff --git a/config/schema/facets.widgets.schema.yml b/config/schema/facets.widgets.schema.yml
index 5e960b3..e230db8 100644
--- a/config/schema/facets.widgets.schema.yml
+++ b/config/schema/facets.widgets.schema.yml
@@ -38,19 +38,3 @@ facet.widget.config.links:
 # "soft limit" and "show counts".
 facet.widget.config.checkbox:
   type: facet.widget.config.links
-
-# Config schema for datebasic, you can find the implementation in
-# Drupal\facets\Plugin\facets\widget\DateBasicWidget.
-facet.widget.config.datebasic:
-  type: facet.widget.default_config
-  label: 'List of dates configuration'
-  mapping:
-    display_relative:
-      type: boolean
-      label: 'Display relative'
-    granularity:
-      type: integer
-      label: 'Granularity'
-    date_display:
-      type: string
-      label: 'Date display'
diff --git a/tests/src/Functional/IntegrationTest.php b/tests/src/Functional/IntegrationTest.php
index 89527e6..3e6e7d4 100644
--- a/tests/src/Functional/IntegrationTest.php
+++ b/tests/src/Functional/IntegrationTest.php
@@ -472,41 +472,40 @@ public function testExcludeFacetDate() {
 
     $this->indexItems($this->indexId);
 
-    $facet_name = "Created";
     $facet_id = "created";
 
     // Create facet.
     $facet_edit_page = 'admin/config/search/facets/' . $facet_id . '/edit';
-    $this->createFacet($facet_name, $facet_id, $field_name);
+    $this->createFacet("Created", $facet_id, $field_name);
 
     $form = [
-      'widget' => 'datebasic',
-      'widget_config[granularity]' => SearchApiDate::FACETAPI_DATE_MONTH,
-      'widget_config[display_relative]' => 0,
+      'widget' => 'links',
+      'facet_settings[date_item][status]' => TRUE,
+      'facet_settings[date_item][settings][display_relative]' => FALSE,
+      'facet_settings[date_item][settings][granularity]' => SearchApiDate::FACETAPI_DATE_MONTH,
     ];
     $this->drupalGet($facet_edit_page);
-    $this->drupalPostForm(NULL, ['widget' => 'datebasic'], 'Configure widget');
     $this->drupalPostForm(NULL, $form, 'Save');
 
     $this->drupalGet('search-api-test-fulltext');
-    $this->assertText('foo old');
-    $this->assertText('foo new');
-    $this->clickLink('March 2017');
-    $this->checkFacetIsActive('March 2017');
-    $this->assertText('foo new');
-    $this->assertNoText('foo old');
+    $this->assertSession()->pageTextContains('foo old');
+    $this->assertSession()->pageTextContains('foo new');
+    $this->clickLink('1490000000');
+    $this->checkFacetIsActive('1490000000');
+    $this->assertSession()->pageTextContains('foo new');
+    $this->assertSession()->pageTextNotContains('foo old');
 
     $this->drupalGet($facet_edit_page);
-    $this->assertNoFieldChecked('edit-facet-settings-exclude');
+    $this->assertSession()->checkboxNotChecked('edit-facet-settings-exclude');
     $form['facet_settings[exclude]'] = TRUE;
     $this->drupalPostForm(NULL, $form, 'Save');
-    $this->assertFieldChecked('edit-facet-settings-exclude');
+    $this->assertSession()->checkboxChecked('edit-facet-settings-exclude');
 
     $this->drupalGet('search-api-test-fulltext');
-    $this->clickLink('March 2017');
-    $this->checkFacetIsActive('March 2017');
-    $this->assertText('foo old');
-    $this->assertNoText('foo new');
+    $this->clickLink('1490000000');
+    $this->checkFacetIsActive('1490000000');
+    $this->assertSession()->pageTextContains('foo old');
+    $this->assertSession()->pageTextNotContains('foo new');
   }
 
   /**