diff --git a/lib/src/processor/memory/mmio/gpu.rs b/lib/src/processor/memory/mmio/gpu.rs
index 3114e32..82bb9d0 100644
--- a/lib/src/processor/memory/mmio/gpu.rs
+++ b/lib/src/processor/memory/mmio/gpu.rs
@@ -320,11 +320,6 @@ where
         for e in &mut self.is_bg_zero {
             *e = true;
         }
-        for x in 0..WIDTH {
-            self.buffer[(scanline as usize * WIDTH) + x] = ColourInner::Error
-                .rgb_bytes(None, self.cgb_data.is_some())
-                .into();
-        }
         if self.lcdc.bg_window_enable {
             self.render_scanline_bg(scanline);
             if self.lcdc.window_enable {
@@ -457,7 +452,6 @@ where
             let x_addr = if object.flags.x_flip { px_x } else { 7 - px_x };
             let lsb = get_bit(lsbs, x_addr);
             let msb = get_bit(msbs, x_addr);
-            // maybe have to change this for cgb mode
             let (colour, is_zero) = if self.is_cgb_mode() {
                 (ColourInner::from_bits(lsb, msb), !lsb && !msb)
             } else {