diff --git a/code/arguments.c b/code/arguments.c
deleted file mode 100644
index 82dfbb1..0000000
--- a/code/arguments.c
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- *	afficher les arguments.
- */
-
-#include  <stdio.h>
-
-int main(int argc, char *argv[])
-{
-int    foo;
-
-for (foo=0; foo<argc; foo++) {
-	printf("  %3d    %s\n", foo, argv[foo]);
-	}
-
-return 0;
-}
diff --git a/code/awk/README.md b/code/awk/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/code/hello.c b/code/hello.c
deleted file mode 100644
index 8702dbb..0000000
--- a/code/hello.c
+++ /dev/null
@@ -1,7 +0,0 @@
-#include  <stdio.h>
-
-int main(int argc, char *argv[])
-{
-puts("hello world.");
-return 0;
-}
diff --git a/code/listen-osc.c b/code/listen-osc.c
deleted file mode 100644
index f142ded..0000000
--- a/code/listen-osc.c
+++ /dev/null
@@ -1,15 +0,0 @@
-/*	LISTEN OSC				*/
-
-#include  <stdio.h>
-#include  <lo/lo.h>
-
-#define LOCAL_PORT	"9000"
-
-int main(int argc, char *argv[])
-{
-lo_server_thread st;
-
-st = lo_server_thread_new(LOCAL_PORT, NULL);
-
-return 0;
-}
diff --git a/code/send-osc.c b/code/send-osc.c
deleted file mode 100644
index 0968036..0000000
--- a/code/send-osc.c
+++ /dev/null
@@ -1,18 +0,0 @@
-/*	SEND OSC				*/
-
-#include  <stdio.h>
-#include  <lo/lo.h>
-
-#define REMOTE_HOST	"localhost"
-#define REMOTE_PORT	"9000"
-
-int main(int argc, char *argv[])
-{
-lo_address	loana;
-int		foo;
-
-loana = lo_address_new(REMOTE_HOST, REMOTE_PORT);
-foo = lo_send(loana, "/dev/kmem", "is", 61, "meg, efface !");
-fprintf(stderr, "foo %d\n", foo);
-return 0;
-}