This is superfluous because there is only One God - period. See:
IS 46:9 For I am God, and there is no other;
I am God, and there is no one like Me..."
"You are My witnesses," declares the LORD, "And My servant whom I have chosen, So that you may know and believe Me And understand that I am He. Before Me there was no God formed, And there will be none after Me.
Blessings,
MacG