diff --git a/airflow/utils/trigger_rule.py b/airflow/utils/trigger_rule.py
index 6ec37cba81870..ebd773fa932af 100644
--- a/airflow/utils/trigger_rule.py
+++ b/airflow/utils/trigger_rule.py
@@ -33,7 +33,6 @@ class TriggerRule(str, Enum):
     NONE_FAILED = "none_failed"
     NONE_FAILED_OR_SKIPPED = "none_failed_or_skipped"
     NONE_SKIPPED = "none_skipped"
-    DUMMY = "dummy"
     ALWAYS = "always"
     NONE_FAILED_MIN_ONE_SUCCESS = "none_failed_min_one_success"
     ALL_SKIPPED = "all_skipped"
diff --git a/tests/utils/test_trigger_rule.py b/tests/utils/test_trigger_rule.py
index f1e4c5990c939..44eea6a8f7d47 100644
--- a/tests/utils/test_trigger_rule.py
+++ b/tests/utils/test_trigger_rule.py
@@ -34,11 +34,10 @@ def test_valid_trigger_rules(self):
         assert TriggerRule.is_valid(TriggerRule.NONE_FAILED)
         assert TriggerRule.is_valid(TriggerRule.NONE_FAILED_OR_SKIPPED)
         assert TriggerRule.is_valid(TriggerRule.NONE_SKIPPED)
-        assert TriggerRule.is_valid(TriggerRule.DUMMY)
         assert TriggerRule.is_valid(TriggerRule.ALWAYS)
         assert TriggerRule.is_valid(TriggerRule.NONE_FAILED_MIN_ONE_SUCCESS)
         assert TriggerRule.is_valid(TriggerRule.ALL_DONE_SETUP_SUCCESS)
-        assert len(TriggerRule.all_triggers()) == 14
+        assert len(TriggerRule.all_triggers()) == 13
 
         with pytest.raises(ValueError):
             TriggerRule("NOT_EXIST_TRIGGER_RULE")