2.2.46 [HTML5:2014] Section 5.7.8 Disk space
C0062: Deletion of specific application caches is not supported
The specification states:
... Disk space ... User agents should allow users to see how much space each domain is using, and may offer the user the ability to delete specific application caches.
All document modes (All versions)
Deletion of specific application caches is not supported. The application cache API provides no method to delete specific items.