diff --git a/chrome/browser/extensions/extension_browsertests_misc.cc b/chrome/browser/extensions/extension_browsertests_misc.cc
index a0e4c81e89f2b6..48fb0ca7d8ba88 100644
--- a/chrome/browser/extensions/extension_browsertests_misc.cc
+++ b/chrome/browser/extensions/extension_browsertests_misc.cc
@@ -279,9 +279,6 @@ IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest, ParseFeed) {
   EXPECT_STREQ("Not a valid feed", error.c_str());
 }
 
-// TODO(mpcomplete): reenable these tests.
-#if 0
-
 // Tests that message passing between extensions and tabs works.
 IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest, MessagingExtensionTab) {
   ASSERT_TRUE(LoadExtension(