You must deal with sexual impurity to be free. Why? Because you do not repent to a stronghold but break it.
Whatever you do not challenge, you will not change. Therefore, you must pray sacrificially for your freedom. It will not just happen.
Caution: Prov 29:1 ―A man who remains stiff-necked after many rebukes will suddenly be destroyed — without remedy. ‖ NIV (sin matures into judgment, Gen 15:16).
The below is a 3-day prayer guide (in PDF) you can use to seek God for your deliverance. You are supposed to fast and pray as instructed.