diff --git a/core/modules/migrate/src/Entity/Migration.php b/core/modules/migrate/src/Entity/Migration.php
index 66970a6..26a5520 100644
--- a/core/modules/migrate/src/Entity/Migration.php
+++ b/core/modules/migrate/src/Entity/Migration.php
@@ -409,11 +409,6 @@ public function getSystemOfRecord() {
    * {@inheritdoc}
    */
   public function setSystemOfRecord($system_of_record) {
-    if ($system_of_record !== static::SOURCE && $system_of_record !== static::DESTINATION) {
-      throw new \InvalidArgumentException(String::format("The system-of-record '@systemofrecord' is not valid.", [
-        '@systemofrecord' => $system_of_record,
-      ]));
-    }
     $this->systemOfRecord = $system_of_record;
   }