diff --git a/config/ax_config_header.m4 b/config/ax_config_header.m4
deleted file mode 100644
index 39c6e16..0000000
--- a/config/ax_config_header.m4
+++ /dev/null
@@ -1,63 +0,0 @@
-dnl AX_CONFIG_PRIVATE_HEADER(OUTPUT_HEADER_FILE[,LIBRARY_NAME[,INCLUDE_DEFINE]])
-dnl
-dnl Parameter 1: Output file for private config header (Default: config-private.h)
-dnl Parameter 2: Library name
-dnl Parameter 3: define for header include (Default: HAVE_capitalize(Library name)_CONFIG_H
-dnl              needs to be redefined if library name containes a char that isn't allowed in #define
-dnl
-AC_DEFUN([AX_CONFIG_PRIVATE_HEADER],
-[
-
-if test x$# = x0; then
-	dnl define a fallback output if nothing given
-	CONFIG_HEADER="config-private.h"
-else
-	CONFIG_HEADER=$1
-fi
-
-CF_NAME=`basename $1`
-DATE=`date`
-
-dnl Create new file or empty it
-echo "/* File: $CF_NAME generated on $DATE */" > $CONFIG_HEADER
-
-if test x$# = x2; then
-	echo "" >> $CONFIG_HEADER
-	echo "/* Build configuration for $2  */" >> $CONFIG_HEADER
-fi
-
-echo "" >> $CONFIG_HEADER
-
-if test x$# = x3; then
-	PRIVATE_CFLAGS="-D$3"
-else
-	PRIVATE_CFLAGS="-DHAVE_$2_CONFIG_H"
-fi
-
-AC_SUBST(PRIVATE_CFLAGS)
-
-])dnl
-
-dnl AX_DEFINE_PRIVATE(DEFINE_NAME[,DEFINE_VALUE[,DEFINE_COMENT]])
-dnl
-dnl Parameter 1: Define name
-dnl Parameter 2: Define value (optional)
-dnl Parameter 3: Define coment (optional)
-dnl
-AC_DEFUN([AX_DEFINE_PRIVATE],
-[
-
-if test x$# = x1; then
-	echo "#define $1" >> $CONFIG_HEADER
-	echo "" >> $CONFIG_HEADER
-elif test x$# = x2; then
-	echo "#define $1 $2" >> $CONFIG_HEADER
-	echo "" >> $CONFIG_HEADER
-elif test x$# = x3; then
-	echo "/* $3 */" >> $CONFIG_HEADER
-	echo "#define $1 $2" >> $CONFIG_HEADER
-	echo "" >> $CONFIG_HEADER
-fi
-
-])dnl
-