Keep the cues that still carry a truthful meaning
The strongest parts of a current corporate identity are the cues that employees recognise as a genuine reflection of the organisation and its future direction. A visual identity should not be judged only on whether it looks current. It also needs to express what the organisation does, the qualities it wants to be associated with and the opportunities it is pursuing.
Start by listening across the business, from leadership to customer-facing teams. Ask what people are proud of, where they see challenges and opportunities, and what they understand about customer needs. That inside view helps separate a familiar asset with real meaning from a familiar asset that is simply old. The result should be a clear creative brief: preserve what still helps people understand the brand, and evolve what no longer does.
Sources: The inside story: why your people shouldn't be just passengers on your brand journey