Algea growing on my sump walls

[Dee tre]

I have what seems to be cheato algea growing on the glass of my sump. Didn't know it was possible. I got rid of the cheato i had i guess a few strands stuck around not sure but it feels wiry like cheato

 

[KrisReef]

Looks like green hair algae to me?
If you remove the light source it should stop.