diff -u b/core/modules/filter/src/Plugin/migrate/source/d7/FilterFormat.php b/core/modules/filter/src/Plugin/migrate/source/d7/FilterFormat.php
--- b/core/modules/filter/src/Plugin/migrate/source/d7/FilterFormat.php
+++ b/core/modules/filter/src/Plugin/migrate/source/d7/FilterFormat.php
@@ -10,7 +10,6 @@
 use Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase;
 use Drupal\migrate\Row;
 
-
 /**
  * Drupal 7 role source from database.
  *
@@ -21,21 +20,11 @@
 class FilterFormat extends DrupalSqlBase {
 
   /**
-   * The format current.
-   *
-   * @var int
-   */
-  protected $format_current;
-
-  /**
    * {@inheritdoc}
    */
   public function query() {
-     return $this->select('filter_format', 'f')
-      ->fields('f')
-      // Ignore the plain text format.
-      ->condition('format', 'plain_text', '<>');
-   }
+    return $this->select('filter_format', 'f')->fields('f');
+  }
 
   /**
    * {@inheritdoc}
@@ -44,7 +33,7 @@
     return array(
       'format' => $this->t('Format ID.'),
       'name' => $this->t('The name of the filter format.'),
-      'cache' => $this->t('Flag to indicate whether format is cacheable. (1 = cacheable, 0 = not cacheable).'),
+      'cache' => $this->t('Flag to indicate whether format is cacheable (1 = cacheable, 0 = not cacheable).'),
       'status'=>$this->t('The status of the filter format'),
       'weight'=>$this->t('The weight of the filter format'),
     );
@@ -58,14 +47,6 @@
     $filters = $this->select('filter', 'f')
       ->fields('f')
       ->condition('format', $row->getSourceProperty('format'))
-      ->condition('name', [
-        'filter_html',
-        'filter_autop',
-        'filter_url',
-        'filter_htmlcorrector',
-        'filter_html_escape',
-        'php_code',
-      ], 'IN')
       ->condition('status', 1)
       ->execute()
       ->fetchAllAssoc('name');
diff -u b/core/modules/filter/src/Tests/Migrate/d7/MigrateFilterFormatTest.php b/core/modules/filter/src/Tests/Migrate/d7/MigrateFilterFormatTest.php
--- b/core/modules/filter/src/Tests/Migrate/d7/MigrateFilterFormatTest.php
+++ b/core/modules/filter/src/Tests/Migrate/d7/MigrateFilterFormatTest.php
@@ -58,9 +58,7 @@
     $this->assertEntity('custom_text_format', 'Custom Text format', ['filter_autop', 'filter_html']);
     $this->assertEntity('filtered_html', 'Filtered HTML', ['filter_autop', 'filter_html', 'filter_htmlcorrector', 'filter_url']);
     $this->assertEntity('full_html', 'Full HTML', ['filter_autop', 'filter_htmlcorrector', 'filter_url']);
-
-    // The plain text format is skipped by the source plugin.
-    $this->assertNull(FilterFormat::load('plain_text'));
+    $this->assertEntity('plain_text', 'Plain text', ['filter_autop', 'filter_html_escape', 'filter_url']);
 
     // Ensure that filter-specific settings were migrated.
     /** @var \Drupal\filter\FilterFormatInterface $format */