configure.ac epoll.h not used now
diff --git a/configure.ac b/configure.ac
index 79ac8c2..16dc55a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -57,7 +57,6 @@ gl_INIT
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(syslog.h)
-AC_CHECK_HEADERS([sys/epoll.h])
AC_FUNC_ALLOCA