Swiftly dropping items out of your inventory with the mouse deletes them.
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Crackers0106
MC-167922
Dropping items out of your inventory deletes the items
Resolved
Duplicate
0
Crackers0106
Etomic
(Unassigned)
Unconfirmed
(Unassigned)
1.15
Retrieved
I'm pretty sure this is an intended feature in Creative mode. Items drop like normal in survival.