diff --git a/CefSharp.Core.Runtime/CefSettingsBase.h b/CefSharp.Core.Runtime/CefSettingsBase.h
index 4e443cc183..36a220bd30 100644
--- a/CefSharp.Core.Runtime/CefSettingsBase.h
+++ b/CefSharp.Core.Runtime/CefSettingsBase.h
@@ -49,11 +49,6 @@ namespace CefSharp
                 _cefCustomSchemes = gcnew List<CefCustomScheme^>();
                 _cefCommandLineArgs = gcnew CommandLineArgDictionary();
 
-                //Disable site isolation trials as this causes problems with frames
-                //being hosted in different render processes.
-                //https://github.com/cefsharp/CefSharp/issues/2967
-                _cefCommandLineArgs->Add("disable-site-isolation-trials");
-
                 //Disable Windows Spellchecker as CEF doesn't support yet
                 //https://bitbucket.org/chromiumembedded/cef/issues/3055/windows-spell-checker-not-working-add
                 _cefCommandLineArgs->Add("disable-features", "CalculateNativeWinOcclusion,WinUseBrowserSpellChecker");