--- a/configure.ac
+++ b/configure.ac
@@ -21,7 +21,6 @@ AC_PROG_MAKE_SET
 AM_PROG_CC_C_O
 
 dnl Allow partial building on systems without xmlto
-AC_CHECK_PROG([have_xmlto], [xmlto], ["yes"],["no"])
 AM_CONDITIONAL([BUILD_DOC], [test "x${have_xmlto}" = "xyes"])
 
 dnl Shared-library version
