diff --git a/avrdude/bootstrap b/avrdude/bootstrap
index fa38ff33..9a5ef9d4 100755
--- a/avrdude/bootstrap
+++ b/avrdude/bootstrap
@@ -2,11 +2,6 @@
 
 # autoconf-2.57 is preferred, but >= 2.53 should be ok
 
-AUTOHEADER=autoheader
-AUTOCONF=autoconf
-ACLOCAL=aclocal
-AUTOMAKE=automake
-
 if [ "x${AUTOHEADER}" = "x" ]; then
 	AUTOHEADER="autoheader-2.57"
 fi