DropDownList don't close at game paused

Hello! I found problem with UI element DropDown (Unity 5.2.3). When I open DropDown there two elements create in iererchy: "Blocker" and "DropDownList". After I select a new value both of them deleting an all is nice. But if I do this at game paused mode (TimeScale=0) then after value changing only "Blocker" is destroying. "DropDownList" element is still at canvas. The reason is then DropDown try to wait some time befor deleting it but time is stopped.

I read some discussion about this bug at Unity's blogs link text but can't understand can I do something to fix at my own project. I try to create the inheritor class from base DropDown element but method DelayedDestroyDropDownList is not virtual. Is there any ways to destroy it without waiting or override DelayedDestroyDropDownList ?