How to reproduce:
Make a watery block
Clear with fill or setblock

Expected behavior:
Blocks and water are cleared

Actual state:
block cleared
but the water remains

Videos using bubble columns
, when the bubble column is cleared, because the water has not been cleared, a new bubble column will be generated immediately. When the soul sand and magma blocks are cleared, the bubble column will disappear and become ordinary water, which can be cleared by command