diff --git a/libretro/libretro.c b/libretro/libretro.c
index 393a34d..a9ab3c6 100644
--- a/libretro/libretro.c
+++ b/libretro/libretro.c
@@ -2847,8 +2847,6 @@ void retro_run(void)
       }
    }
 
-   bmdoffset = 0;
-   vwoffset = 0;
    if ((config.left_border != 0) && (reg[0] & 0x20) && ((system_hw == SYSTEM_MARKIII) || (system_hw & SYSTEM_SMS) || (system_hw == SYSTEM_PBC)))
    {
 	   bmdoffset = 16;