diff --git a/src/video/vid_cl54xx.c b/src/video/vid_cl54xx.c
index 2ee6ef9ed..5725d8914 100644
--- a/src/video/vid_cl54xx.c
+++ b/src/video/vid_cl54xx.c
@@ -901,8 +901,6 @@ gd54xx_out(uint16_t addr, uint8_t val, void *p)
 						svga->adv_flags |= FLAG_EXT_WRITE;
 					if (svga->gdcreg[0xb] & 0x08)
 						svga->adv_flags |= FLAG_LATCH8;
-					if (svga->gdcreg[0xb] & 0x10)
-						svga->adv_flags |= FLAG_ADDR_BY16;
 					gd54xx_recalc_banking(gd54xx);
 					break;