Filter Outgoing Links in Linked References

It would be very helpful to have the option to exclude Outgoing Links in the Linked References.

Use case:
The page “Collection” has 2 Linked References:

… but as soon as I start to integrate the Linked References
I would like to have the option to exclude the used Links:

(Now there should be only 1 Linked Referece because I already used the other one)