diff --git a/content/browser/security_exploit_browsertest.cc b/content/browser/security_exploit_browsertest.cc
index 6adbafeff6184..45117a39d96ff 100644
--- a/content/browser/security_exploit_browsertest.cc
+++ b/content/browser/security_exploit_browsertest.cc
@@ -554,6 +554,7 @@ IN_PROC_BROWSER_TEST_F(SecurityExploitBrowserTest, MismatchedOriginOnCommit) {
 
   exit_observer.Wait();
   EXPECT_FALSE(exit_observer.did_exit_normally());
+  ResourceDispatcherHost::Get()->SetDelegate(nullptr);
 }
 
 }  // namespace content
diff --git a/testing/buildbot/filters/browser-side-navigation.linux.content_browsertests.filter b/testing/buildbot/filters/browser-side-navigation.linux.content_browsertests.filter
index f0a3a31abc021..3d89a769e283f 100644
--- a/testing/buildbot/filters/browser-side-navigation.linux.content_browsertests.filter
+++ b/testing/buildbot/filters/browser-side-navigation.linux.content_browsertests.filter
@@ -6,7 +6,6 @@
 -RenderViewImplTest.GetCompositionCharacterBoundsTest
 -RenderViewImplTest.OnNavigationHttpPost
 -RenderViewImplTest.TestBackForward
--SecurityExploitBrowserTest.MismatchedOriginOnCommit
 -ServiceWorkerBrowserTest.FetchPageWithSaveData
 -ServiceWorkerBrowserTest.FetchPageWithSaveDataPassThroughOnFetch
 -SessionHistoryTest.FrameBackForward