diff --git a/cf/find-func-no-libs2.m4 b/cf/find-func-no-libs2.m4
index 692001c10..5e5ed0e69 100644
--- a/cf/find-func-no-libs2.m4
+++ b/cf/find-func-no-libs2.m4
@@ -53,7 +53,6 @@ case "$ac_res" in
 	;;
 	*)
 	eval "ac_cv_func_$1=yes"
-	eval "ac_cv_lib_`echo "$ac_res" | sed 's/-l//'`=yes"
 	AC_DEFINE_UNQUOTED($ac_tr_func)
 	AC_DEFINE_UNQUOTED($ac_tr_lib)
 	AC_MSG_RESULT([yes, in $ac_res])