diff --git a/starboard/win/win32/cobalt/configuration.py b/starboard/win/win32/cobalt/configuration.py
index ccaee042d3d1..831e13502ba5 100644
--- a/starboard/win/win32/cobalt/configuration.py
+++ b/starboard/win/win32/cobalt/configuration.py
@@ -39,6 +39,8 @@ def GetWebPlatformTestFilters(self):
       'base_unittests': [
           '*TaskScheduler*',
           'TaskTraits*',
+          'FileTest.Length',
+          'All/SequenceManagerTest.DelayedTasksDontBadlyStarveNonDelayedWork_SameQueue/WithMessagePumpAlignedWakeUps',  # pylint: disable=line-too-long
       ],
       'renderer_test': [
           # Flaky test is still being counted as a fail.
@@ -51,6 +53,5 @@ def GetWebPlatformTestFilters(self):
       'net_unittests': [
           # Flaky test to be re-enabled after b/271006511 is fixed.
           'CookieMonsterTest.PredicateSeesAllCookies',
-          'All/SequenceManagerTest.DelayedTasksDontBadlyStarveNonDelayedWork_SameQueue/WithMessagePumpAlignedWakeUps',  # pylint: disable=line-too-long
       ],
   }