newspaper "The Daily Telegraph": the chancellor Germany urged to revise contracts EU before accession Ukraine

The chancellor Germany Olaf Sholts intends to revise fundamental contracts EU against fears that membership Ukraine can change internal balance of forces to the detriment of Berlin. newspaper "The Daily Telegraph". According to the newspaper, Olaf Sholts wants to change vote system that "to guarantee impossibility of formation of power blocks of the countries of EU for the purpose of providing additional resources against the rich western allies". Also the chancellor wants to get rid of the veto. According to a diplomatic source, the chancellor brought up this question at the last meeting with the European leaders in Brussels...