# Duplicated _permit() function Low/Info · Three Sigma · Permissionless lending · 23rd August, 2024 Finding 3S-SY-N03 of the Maple Syrup security review. - Protocol: https://maple.finance/ - Report: /reports/maple-finance-syrup - Source: https://github.com/0xsimao/audits/blob/main/Three%20Sigma/2024-08-23-maple-finance-syrup.pdf --- ### Description The _permit() function, utilized in the MplUserActions, SyrupRouter, and SyrupUserActions contracts, is duplicated across them. ### Recommendation To enhance code reusability and maintainability, this function can be relocated to the utils folder.