Deleting a cookie on asp.net web api -

i'm trying delete session-id cookie, doesn't work.

any guidance completing task using normal controller? httpresponse ( not httpresponsemessage )

below code

   public class logoutcontroller : apicontroller     {          [acceptverbs("get")]         [system.web.http.route("logout/removecookie")]         [system.web.http.httpget]         public httpresponsemessage removecookie()         {             httpresponsemessage response = request.createresponse(httpstatuscode.ok);             cookieheadervalue currentcookie = request.headers.getcookies("session-id").firstordefault();             if (currentcookie != null)             {                 cookieheadervalue cookie = new cookieheadervalue("session-id", "")                 {                     expires = datetimeoffset.now.adddays(-1),                     domain = currentcookie.domain,                     path = currentcookie.path                 };                  response.headers.addcookies(new cookieheadervalue[] { cookie });             }             return response;         }      }