According to Section IX of Ukraine’s 1990 Declaration of State Sovereignty:
The Ukrainian SSR solemnly declares its intention of becoming a permanently neutral state that does not participate in military blocs and adheres to three nuclear free principles: to accept, to produce and to purchase no nuclear weapons.
That could very well be the case. Regardless, like comrade Catradora said, they just need to climb down from the cross. It’s clearly not working if that’s what they’re after.