diff --git a/core/modules/migrate/src/Plugin/MigrateSourceInterface.php b/core/modules/migrate/src/Plugin/MigrateSourceInterface.php
index de3eed2..d320c4b 100644
--- a/core/modules/migrate/src/Plugin/MigrateSourceInterface.php
+++ b/core/modules/migrate/src/Plugin/MigrateSourceInterface.php
@@ -62,12 +62,4 @@ public function __toString();
    */
   public function getIds();
 
-  /**
-   * Run the query that generates the rows for the migration.
-   *
-   * @return \Iterator
-   *   The iterator containing the source results.
-   */
-  public function runQuery();
-
 }