The latter part definitely did. See Konigsberg (now Kaliningrad, a Russian exclave) and all the parts of Germany that were ceded to Poland.
And the expulsion of ethnic Germans living in non-German lands across Europe postwar was certainly a form of ethnic cleansing, even if you believe it was justified to remove the justification Germany had for prewar annexations like the Sudetenland.
The latter part definitely did. See Konigsberg (now Kaliningrad, a Russian exclave) and all the parts of Germany that were ceded to Poland.
And the expulsion of ethnic Germans living in non-German lands across Europe postwar was certainly a form of ethnic cleansing, even if you believe it was justified to remove the justification Germany had for prewar annexations like the Sudetenland.