diff --git a/airflow/models/dagrun.py b/airflow/models/dagrun.py
index 40ac199b574e7..16f537f7626d5 100644
--- a/airflow/models/dagrun.py
+++ b/airflow/models/dagrun.py
@@ -288,24 +288,15 @@ def update_state(self, session=None):
                                     for t in unfinished_tasks)
         if unfinished_tasks:
             scheduleable_tasks = [ut for ut in unfinished_tasks if ut.state in SCHEDULEABLE_STATES]
+            self.log.debug(
+                "number of scheduleable tasks for %s: %s task(s)",
+                self, len(scheduleable_tasks))
+            ready_tis, changed_tis = self._get_ready_tis(scheduleable_tasks, finished_tasks, session)
+            self.log.debug("ready tis length for %s: %s task(s)", self, len(ready_tis))
             if none_depends_on_past and none_task_concurrency:
                 # small speed up
-                self.log.debug(
-                    "number of scheduleable tasks for %s: %s task(s)",
-                    self, len(scheduleable_tasks))
-                ready_tis, changed_tis = self._get_ready_tis(scheduleable_tasks, finished_tasks, session)
-                self.log.debug("ready tis length for %s: %s task(s)", self, len(ready_tis))
                 are_runnable_tasks = ready_tis or self._are_premature_tis(
                     unfinished_tasks, finished_tasks, session) or changed_tis
-            else:
-                # slow path
-                for ti in scheduleable_tasks:
-                    if ti.are_dependencies_met(
-                        dep_context=DepContext(flag_upstream_failed=True),
-                        session=session
-                    ):
-                        self.log.debug('Queuing task: %s', ti)
-                        ready_tis.append(ti)
 
         duration = (timezone.utcnow() - start_dttm)
         Stats.timing("dagrun.dependency-check.{}".format(self.dag_id), duration)