diff -u b/core/modules/taxonomy/tests/src/Unit/Plugin/migrate/cckfield/TaxonomyTermReferenceCckTest.php b/core/modules/taxonomy/tests/src/Unit/Plugin/migrate/cckfield/TaxonomyTermReferenceCckTest.php
--- b/core/modules/taxonomy/tests/src/Unit/Plugin/migrate/cckfield/TaxonomyTermReferenceCckTest.php
+++ b/core/modules/taxonomy/tests/src/Unit/Plugin/migrate/cckfield/TaxonomyTermReferenceCckTest.php
@@ -44,9 +44,6 @@
     $this->migration = $migration->reveal();
   }
 
-  /**
-   * @expectedDeprecation TaxonomyTermReference is deprecated in Drupal 8.4.x and will be removed before Drupal 9.0.x. Use \Drupal\taxonomy\Plugin\migrate\field\TaxonomyTermReference instead.
-   */
   public function testProcessCckFieldValues() {
     $this->testDefineValueProcessPipeline('processCckFieldValues');
   }