Instant damage/healing cannot be cleared if from splash or lingering

You cannot clear instant effect (damage and healing) coming from splash potion or lingering potion with /effect command

Steps to reproduce
1. Repeating command block with "/effect @p clear" command inside
2. Give yourself splash/lingering potion of harming/healing
3. Throw it to yourself

Observed Result
Effect still applies

Expected Result
Effects cleared by the command