when I delete fields from a table in oracle 10g and I execute build schema keeps bringing me those same fields that no longer exist.

I have a table in oracle that i was using but I had to change it so i remove some fields and add others when i run the task buils schema it generates the file schema.yml it created the new fields added but continued to bringing those field who had been eliminated and no longer existed in the database, it generates an error because the file schema.yml are those field but the database does not ...