diff --git a/configure.ac b/configure.ac
index f6486ea1de8316cfb984f1ba0b3da73ec6fae929..a3c39bd06ddf7b2bf54f20213b5494b04c7b63ff 100644
--- a/configure.ac
+++ b/configure.ac
@@ -957,7 +957,6 @@ case "$LIBIDN" in
                       CPPFLAGS="$CPPFLAGS -I$LIBIDN/include"
                       AC_CHECK_LIB(idn, idna_to_ascii_4i, ,
                                    nolibidn="true"
-                                   AC_MSG_WARN([no libidn found in $LIBIDN])
                                    LDFLAGS=$oldLDFLAGS
                                    CPPFLAGS=$oldCPPFLAGS)
                     fi