diff --git a/core/modules/migrate/tests/modules/migrate_cache_counts_test/src/Plugin/migrate/source/CacheableEmbeddedDataSource.php b/core/modules/migrate/tests/modules/migrate_cache_counts_test/src/Plugin/migrate/source/CacheableEmbeddedDataSource.php
index 47dd1b7330..648377954c 100644
--- a/core/modules/migrate/tests/modules/migrate_cache_counts_test/src/Plugin/migrate/source/CacheableEmbeddedDataSource.php
+++ b/core/modules/migrate/tests/modules/migrate_cache_counts_test/src/Plugin/migrate/source/CacheableEmbeddedDataSource.php
@@ -9,8 +9,7 @@
  * A copy of embedded_data which allows caching the count.
  *
  * @MigrateSource(
- *   id = "cacheable_embedded_data",
- *   source_module = "migrate"
+ *   id = "cacheable_embedded_data"
  * )
  */
 class CacheableEmbeddedDataSource extends EmbeddedDataSource {
diff --git a/core/modules/migrate/tests/modules/migrate_external_translated_test/src/Plugin/migrate/source/MigrateExternalTranslatedTestSource.php b/core/modules/migrate/tests/modules/migrate_external_translated_test/src/Plugin/migrate/source/MigrateExternalTranslatedTestSource.php
index 8edaeccdea..ceda6d82e4 100644
--- a/core/modules/migrate/tests/modules/migrate_external_translated_test/src/Plugin/migrate/source/MigrateExternalTranslatedTestSource.php
+++ b/core/modules/migrate/tests/modules/migrate_external_translated_test/src/Plugin/migrate/source/MigrateExternalTranslatedTestSource.php
@@ -8,8 +8,7 @@
  * A simple migrate source for our tests.
  *
  * @MigrateSource(
- *   id = "migrate_external_translated_test",
- *   source_module = "migrate_external_translated_test"
+ *   id = "migrate_external_translated_test"
  * )
  */
 class MigrateExternalTranslatedTestSource extends SourcePluginBase {