Summary

Q. How to erase vertexes?
A. Type command + delete

Select vertexes, and type delete.

But Maya will not be delete vertexes.

Steps

Exec one of the following:

• In the global menu, click Edit Mesh > Delete Edge/Vertex
• Type command + delete or control + delete

The result is here:

References

• Delete edges | Maya 2022 | Autodesk Knowledge Network