diff --git a/avrdude/avrdude.conf.sample b/avrdude/avrdude.conf.sample
index 6c2853e1..210c7d79 100644
--- a/avrdude/avrdude.conf.sample
+++ b/avrdude/avrdude.conf.sample
@@ -1085,8 +1085,6 @@ part
     pagel            = 0xD7;
     bs2              = 0xA0;
     reset            = dedicated;
-    serial           = yes;
-    parallel         = yes;
     pgm_enable       = "1 0 1 0  1 1 0 0    0 1 0 1  0 0 1 1",
                        "x x x x  x x x x    x x x x  x x x x";