diff --git a/configure.ac b/configure.ac
index a08ce67..83bf094 100644
--- a/configure.ac
+++ b/configure.ac
@@ -106,10 +106,6 @@ AS_IF([test "x$with_ncurses" = "xyes"],
 ])
 AM_CONDITIONAL([WITH_CURSES], [test "x$with_ncurses" = xyes])
 
-AC_CHECK_LIB([cap], [cap_set_proc], [],
-  AS_IF([test "$host_os" = linux-gnu],
-    AC_MSG_WARN([Capabilities support is strongly recommended for increased security.  See SECURITY for more information.])))
-
 # Enable ipinfo
 AC_ARG_WITH([ipinfo],
   [AS_HELP_STRING([--without-ipinfo], [Do not try to use ipinfo lookup at all])],