Make handling of links to deleted posts consistent with that of follow-post feature.
From end user perspective Saves and Follow-post are much similar because both features provide a way for users to create and edit lists of links to posts.
One noticeable difference is in the way how these lists handle links to deleted posts: Saves automatically delete such links (I would expect that this is complemented by automatic recovery in case of undeletion) while Follow-post list keeps such links and just provides users an option to remove them manually.
For smoother user experience suggest that both features use the same way of handling links to deleted posts. For this, one of them should change its current way to one used in another.
At the moment I don't have strong reasons to tell which of two ways is better. My personal preference goes to the way how it is done in Follow-post feature, primarily because this isit looks less likely to provide smoother interplayinterfere with auto-deletion scripts, as discussed eg in this bug report at MSO: Roomba hasn't run for the past two weeks and over 2800 questions evaded it.