Authors:

The moment you become aware of the ego in you, it is strictly speaking no longer the ego, but just an old, conditioned mind-pattern. Ego implies unawareness. Awareness and ego cannot coexist.

Eckhart Tolle (2006). “A New Earth (Oprah #61): Awakening to Your Life's Purpose”, p.51, Penguin
The moment you become aware of the ego in you, it is strictly speaking no longer the ego, but just an old, conditioned mind-pattern. Ego implies unawareness. Awareness and ego cannot coexist.