diff --git a/include/linux/poison.h b/include/linux/poison.h
index 253c9b4198ef..317e16de09e5 100644
--- a/include/linux/poison.h
+++ b/include/linux/poison.h
@@ -69,10 +69,6 @@
 #define ATM_POISON_FREE		0x12
 #define ATM_POISON		0xdeadbeef
 
-/********** net/ **********/
-#define NEIGHBOR_DEAD		0xdeadbeef
-#define NETFILTER_LINK_POISON	0xdead57ac
-
 /********** kernel/mutexes **********/
 #define MUTEX_DEBUG_INIT	0x11
 #define MUTEX_DEBUG_FREE	0x22
@@ -83,7 +79,4 @@
 /********** security/ **********/
 #define KEY_DESTROY		0xbd
 
-/********** sound/oss/ **********/
-#define OSS_POISON_FREE		0xAB
-
 #endif