Knots didn't filter it either. Turns out the lead maintainer doesn't even know what code he's slurping from upstream 😬
https://github.com/bitcoinknots/bitcoin/blob/29.x-knots/src/wallet/dump.cpp#L289-L292
https://github.com/bitcoinknots/bitcoin/blob/29.x-knots/src/wallet/dump.cpp#L289-L292