diff --git a/configure.in b/configure.in
index 54525591..24fa44b1 100644
--- a/configure.in
+++ b/configure.in
@@ -601,7 +601,5 @@ test "$build_seq" = "yes" && echo "#include <alsa/seq_event.h>" >> include/asoun
 test "$build_seq" = "yes" && echo "#include <alsa/seq.h>" >> include/asoundlib.h
 test "$build_seq" = "yes" && echo "#include <alsa/seqmid.h>" >> include/asoundlib.h
 test "$build_seq" = "yes" && echo "#include <alsa/seq_midi_event.h>" >> include/asoundlib.h
-test "$build_instr" = "yes" && echo "#include <alsa/conv.h>" >> include/asoundlib.h
-test "$build_instr" = "yes" && echo "#include <alsa/instr.h>" >> include/asoundlib.h
 cat "$srcdir"/include/asoundlib-tail.h >> include/asoundlib.h