Should I be worried about this hydroid?

[Dipi]

Hello!

I noticed what it appears to be hydroids on the base of my leather toadstool and anacropora. I just want to know if I can leave them be or should be worried it may harm my coral. They are about 4mm (~1/8in) give or take

 

[Ajayabb]

They are pretty harmless from my experience and they will slowly fade away with time

 

[Dipi]

They are pretty harmless from my experience and they will slowly fade away with time

Thanks!