Have you considered it a problem of committing? Sometimes, when you have bucketfuls of experience, there doesn't seem to be any good choices, and you are paralysed by the fear that you might incur a technical debt that will be expensive to pay later.

Secondly, is it your development environment. Some tools have gotten very large and can disrupt the flow of reasoning.

Thirdly, try doing as much of the design work away from the computer. Then when you are there, you are just writing code.