diff -u b/core/modules/workflows/src/Entity/Workflow.php b/core/modules/workflows/src/Entity/Workflow.php
--- b/core/modules/workflows/src/Entity/Workflow.php
+++ b/core/modules/workflows/src/Entity/Workflow.php
@@ -448,7 +448,6 @@
       }
     }
 
-    // Update the stored transitions with the new to state.
     $this->transitions[$transition_id]['to'] = $to_state_id;
 
     return $this;