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In my scene I have 2 with the following textures. 1) Water Well base color texture - normal map texture 2) Basic Quad no textures when calling draw primitives with the Water Well I am binding to index 0 and 1 the 'base color texture', and the 'normal map texture'. when calling draw primitives with the Basic Quad I am not binding any textures. In fact I specifically called these 2 functions before rendering the quad (setting nil as the texture). renderCommandEncoder.setFragmentTexture(nil, 0) renderCommandEncoder.setFragmentTexture(nil, 1) The Problem: Even though there is no texture bound to index 0 or 1 when drawing the Basic Quad, It is still using both of the textures from the Water Well. I cannot seem to clear the textures from the texture buffers. This seems like a bug with apple, but I need to be sure. Thank you