Barbaros Hayreddin returned to Constantinople on 11 March 1915; the Ottoman high command had decided that both ships were not needed at all times.
巴巴罗萨·海雷丁号于1915年3月11日返回君士坦丁堡；奥斯曼帝国的高级指挥官认为这两艘舰在任何情况下都已不再需要。