In the long-running debate about “push” versus “pull” in manufacturing planning and management, the two sides are typically exemplified by MRP on the push side and lean representing pull.
Dropping inventory below the optimum amount causes shortages, whereas holding more inventory than necessary will result in waste. The main reason for keeping inventory is to save time, so lowering it will adversely affect the condition that the inventory is there to manage. You should go back to why you made those decisions in the first place.
It is generally accepted that inventory records should be at least 95-to-98 percent accurate in order to enable successful enterprise resources planning and provide good customer service. But your information system and the plans, recommendations, and alerts it gives you are only as good as your data. While many companies are able to achieve and maintain inventory accuracy, many more continue to struggle.