diff --git a/configure b/configure
index bc62691..2214b5a 100755
--- a/configure
+++ b/configure
@@ -9026,7 +9026,7 @@ return clock_gettime ();
   return 0;
 }
 _ACEOF
-for ac_lib in '' rt posix4; do
+for ac_lib in '' posix4; do
   if test -z "$ac_lib"; then
     ac_res="none required"
   else