How do I get rid of the white line along my ceiling in eevee

The sun is on the oppsite side of the house.how%20do%20i%20get%20rid%20of%20the%20white%20line%20at%20my%20ceiling%20with%20my%20sunlight%20turned%20on edit…I set sun shadow exponent to 1 but there is still a slight bleed. Does anyone know how to get rid of this slight bleed.

edit…set sun energy from 10 to 1 and that helped some more.