@Omer_Buttt - first of all, I think you may have just entered the Twilight Zone or some other dimension because your post is the exact same wording as this post from 4 days ago.
Anyway, the issue you’re experiencing, though it may feel a little confusing at first, is intended behavior, not a bug. But, I also find it confusing and hope they update how it works.
The short answer is… when you move a project to another team, Asana treats it like you simply sharing the project. After the move, you can click on the Share button and remove permissions from the previous team.
For more detail, here’s where the issue and the confusion is discussed by other users:
And, here’s the feature request post where you can vote for an improved, more intuitive process:
