diff --git a/core/modules/forum/forum.install b/core/modules/forum/forum.install
index 1f75055..267f014 100644
--- a/core/modules/forum/forum.install
+++ b/core/modules/forum/forum.install
@@ -111,6 +111,18 @@ function forum_enable() {
 }
 
 /**
+ * Implements hook_modules_preinstall().
+ */
+function forum_modules_preinstall($modules) {
+  $list_boolean = Drupal::service('plugin.manager.entity.field.field_type')->getDefinition('list_boolean');
+  if (empty($list_boolean) && in_array('forum', $modules)) {
+    // Make sure that the list_boolean field type is available before our
+    // default config is installed.
+    field_info_cache_clear();
+  }
+}
+
+/**
  * Implements hook_uninstall().
  */
 function forum_uninstall() {
@@ -128,8 +140,11 @@ function forum_uninstall() {
     $field->delete();
   }
 
-  // Purge field data now to allow taxonomy module to be uninstalled
-  // if this is the only field remaining.
+  // Purge field data now to allow taxonomy and options module to be uninstalled
+  // if this is the only field remaining. We need to run it twice because
+  // field_purge_batch() will not remove the instance and the field in the same
+  // pass.
+  field_purge_batch(10);
   field_purge_batch(10);
   // Allow to delete a forum's node type.
   $locked = Drupal::state()->get('node.type.locked');