diff --git a/include/types/global.h b/include/types/global.h
index 542abfe..5c6e982 100644
--- a/include/types/global.h
+++ b/include/types/global.h
@@ -42,7 +42,6 @@
 #define LSTCHK_CAP_BIND	0x00000001	/* check that we can bind to any port */
 #define LSTCHK_CTTPROXY	0x00000002	/* check that tproxy is enabled */
 #define LSTCHK_NETADM	0x00000004	/* check that we have CAP_NET_ADMIN */
-#define LSTCHK_TCPSPLICE	0x00000008	/* check that linux tcp_splice is enabled */
 
 /* Global tuning options */
 /* available polling mechanisms */
diff --git a/include/types/proxy.h b/include/types/proxy.h
index c9bd0a9..19d1b04 100644
--- a/include/types/proxy.h
+++ b/include/types/proxy.h
@@ -101,7 +101,7 @@
 #define PR_O_TPXY_CLI	0x06000000	/* bind to the client's IP+port when connect()ing */
 #define PR_O_TPXY_MASK	0x06000000	/* bind to a non-local address when connect()ing */
 
-#define PR_O_TCPSPLICE	0x08000000      /* delegate data transfer to linux kernel's tcp_splice */
+/* unused : tcpsplice   0x08000000 */
 #define PR_O_CONTSTATS	0x10000000	/* continous counters */
 #define PR_O_HTTP_PROXY 0x20000000	/* Enable session to use HTTP proxy operations */
 #define PR_O_DISABLE404 0x40000000      /* Disable a server on a 404 response to a health-check */