diff --git a/airflow/www/views.py b/airflow/www/views.py
index 8fef6aea588a1..fc65e066470ed 100644
--- a/airflow/www/views.py
+++ b/airflow/www/views.py
@@ -5450,7 +5450,6 @@ class TaskInstanceModelView(AirflowModelView):
         "action_clear": "edit",
         "action_clear_downstream": "edit",
         "action_muldelete": "delete",
-        "action_set_running": "edit",
         "action_set_failed": "edit",
         "action_set_success": "edit",
         "action_set_retry": "edit",
@@ -5727,15 +5726,6 @@ def set_task_instance_state(
         except Exception:
             flash("Failed to set state", "error")
 
-    @action("set_running", "Set state to 'running'", "", single=False)
-    @auth.has_access_dag_entities("PUT", DagAccessEntity.TASK_INSTANCE)
-    @action_logging
-    def action_set_running(self, tis):
-        """Set state to 'running'."""
-        self.set_task_instance_state(tis, TaskInstanceState.RUNNING)
-        self.update_redirect()
-        return redirect(self.get_redirect())
-
     @action("set_failed", "Set state to 'failed'", "", single=False)
     @auth.has_access_dag_entities("PUT", DagAccessEntity.TASK_INSTANCE)
     @action_logging
diff --git a/tests/www/views/test_views_tasks.py b/tests/www/views/test_views_tasks.py
index 8cd257d89e600..ae8ecfb78f2dc 100644
--- a/tests/www/views/test_views_tasks.py
+++ b/tests/www/views/test_views_tasks.py
@@ -943,13 +943,12 @@ def test_task_instance_clear_failure(admin_client):
 @pytest.mark.parametrize(
     "action, expected_state",
     [
-        ("set_running", State.RUNNING),
         ("set_failed", State.FAILED),
         ("set_success", State.SUCCESS),
         ("set_retry", State.UP_FOR_RETRY),
         ("set_skipped", State.SKIPPED),
     ],
-    ids=["running", "failed", "success", "retry", "skipped"],
+    ids=["failed", "success", "retry", "skipped"],
 )
 def test_task_instance_set_state(session, admin_client, action, expected_state):
     task_id = "runme_0"
@@ -972,7 +971,6 @@ def test_task_instance_set_state(session, admin_client, action, expected_state):
 @pytest.mark.parametrize(
     "action",
     [
-        "set_running",
         "set_failed",
         "set_success",
         "set_retry",