Genshin Impact has a handy feature for mobile players that allows them to delete the game's previous mission resources. This feature was introduced back in version 3.1 but is often overlooked by players. Version 4.8 adds a one-time notification about this feature for players who have never used it, as revealed in the last developer discussion. Genshin Impact is a huge game and you can easily use this feature to free up some much needed space. Here is a complete guide on how to remove previous Quest Resources in Genshin Impact.

Deleting previous Quest resources is quite simple, but it is only available for mobile platforms, such as Android and iOS. Here's how to delete and manage past mission resources on your mobile:

You can install the previous mission resources back by selecting the Download Resources option again from the same menu.

Deleting previous Quest resources is completely safe in Genshin Impact and is recommended even if you are low on space on your device. This feature only removes the required resources for old quests that you have already completed. It does not delete your game's save files.