diff --git a/core/modules/aggregator/aggregator.module b/core/modules/aggregator/aggregator.module
index bd65f4f..0ed022c 100644
--- a/core/modules/aggregator/aggregator.module
+++ b/core/modules/aggregator/aggregator.module
@@ -291,7 +291,7 @@ function aggregator_cron() {
     ':time' => REQUEST_TIME,
     ':never' => AGGREGATOR_CLEAR_NEVER
   ));
-  $queue = Drupal::queue('aggregator_feeds');
+  $queue = \Drupal::queue('aggregator_feeds');
   foreach ($result->fetchCol() as $fid) {
     $feed = aggregator_feed_load($fid);
     if ($queue->createItem($feed)) {
@@ -381,7 +381,7 @@ function aggregator_save_category($edit) {
 function aggregator_remove(Feed $feed) {
   // Call \Drupal\aggregator\Plugin\ProcessorInterface::remove() on all
   // processors.
-  $manager = Drupal::service('plugin.manager.aggregator.processor');
+  $manager = \Drupal::service('plugin.manager.aggregator.processor');
   foreach ($manager->getDefinitions() as $id => $definition) {
     $manager->createInstance($id)->remove($feed);
   }
@@ -415,7 +415,7 @@ function aggregator_refresh(Feed $feed) {
   }
 
   // Retrieve processor manager now.
-  $processor_manager = Drupal::service('plugin.manager.aggregator.processor');
+  $processor_manager = \Drupal::service('plugin.manager.aggregator.processor');
   // Store instances in an array so we dont have to instantiate new objects.
   $processor_instances = array();
   foreach ($config->get('processors') as $processor) {