diff --git a/configure.in b/configure.in
index 1771005..ab82a74 100644
--- a/configure.in
+++ b/configure.in
@@ -1,7 +1,4 @@
 # $Id$
-DISTCHECK_CONFIG_FLAGS="$(env | sed 's/ /\\ /g')"
-AC_SUBST(DISTCHECK_CONFIG_FLAGS)
-
 m4_include(ax_cxx_compile_stdcxx_11.m4)
 AC_ALIAS([AC_DEFINE_DIR], [AX_DEFINE_DIR])
 AC_DEFUN([AX_DEFINE_DIR], [