For exemple I have 2 packages

PackageA
��- ClassA
PackageB
��- ClassB
�� ��#iDependToClassA
�� ��#otherMethod

I delete ClassA from the PackageA, so Pharo tell me that the method #iDependToClassA use the content of the ClassA.
I delete the #iDependToClassA method but on the Browser, the method is not deleted. I remove the method on the Browser and then,
At this moment, I see the methods was not deleted because it stay on the metaclass when I want get the method references of the ClassB (with RPackage>>methodReferences).

Same think was happen after with a Class