diff --git a/configure.ac b/configure.ac
index 4803fe4..bc33fec 100644
--- a/configure.ac
+++ b/configure.ac
@@ -47,17 +47,6 @@ AC_CHECK_HEADERS([samplerate.h], [have_samplerate="yes"], [have_samplerate="no"]
   [#include <samplerate.h>])
 
 AC_CHECK_LIB([asound], [snd_seq_client_info_get_card], [HAVE_SEQ_CLIENT_INFO_GET_CARD="yes"])
-if test "$HAVE_SEQ_CLIENT_INFO_GET_CARD" = "yes" ; then
-    AC_DEFINE([HAVE_SEQ_CLIENT_INFO_GET_CARD], 1, [alsa-lib supports snd_seq_client_info_get_card])
-fi
-AC_CHECK_LIB([asound], [snd_seq_client_info_get_pid], [HAVE_SEQ_CLIENT_INFO_GET_PID="yes"])
-if test "$HAVE_SEQ_CLIENT_INFO_GET_PID" = "yes" ; then
-    AC_DEFINE([HAVE_SEQ_CLIENT_INFO_GET_PID], 1, [alsa-lib supports snd_seq_client_info_get_pid])
-fi
-AC_CHECK_LIB([asound], [snd_seq_client_info_get_midi_version], [HAVE_SEQ_CLIENT_INFO_GET_MIDI_VERSION="yes"])
-if test "$HAVE_SEQ_CLIENT_INFO_GET_MIDI_VERSION" = "yes" -a "$have_rawmidi" = "yes"; then
-    AC_DEFINE([HAVE_SEQ_CLIENT_INFO_GET_MIDI_VERSION], 1, [alsa-lib supports snd_seq_client_info_get_midi_version])
-fi
 AC_CHECK_LIB([atopology], [snd_tplg_save], [have_topology="yes"], [have_topology="no"])
 
 #