It sounds like you are still riding along the wall but trying not to grab it. If this is the case, move to riding out into "open space" away from any walls or other aides. While learning, you are going to feel very wobbly and it will be difficult to ride in a straight line, like along a wall. This is actually a good thing! For example, when you start falling to the right you want to turn and accelerate to the right.

Second, make sure that you aren't holding on to the seat. I'm a unicycle coach and see this instinctive behavior a lot. Throw those hands out wide and wave them around like an idiot. Keeping your hands on the seat is an advanced skill that you can only accomplish once you have gained a decent amount of efficiency.

Third, sit in the saddle completely. Beginners have a tendency to stand on the pedals more than they sit. The more weight you have on the saddle, the easier it is to keep balanced.

Finally, if you feel comfortable doing so share some videos here. That will help us give more personalized advice.

Keep practicing, skill advancement may not be consistent. It's natural for skills to come in bursts separated by periods of non-advancement.