diff --git a/include/client.h b/include/client.h
index d5d15f50..d38b5b7f 100644
--- a/include/client.h
+++ b/include/client.h
@@ -109,15 +109,6 @@ struct Server
 	struct scache_entry *nameinfo;
 };
 
-struct SlinkRpl
-{
-	int command;
-	int datalen;
-	int gotdatalen;
-	int readdata;
-	unsigned char *data;
-};
-
 struct ZipStats
 {
 	unsigned long in;
diff --git a/include/s_serv.h b/include/s_serv.h
index 804569ef..43db9a1a 100644
--- a/include/s_serv.h
+++ b/include/s_serv.h
@@ -94,35 +94,6 @@ struct Capability
 #define NotCapable(x, cap)	(((x)->localClient->caps & (cap)) == 0)
 #define ClearCap(x, cap)        ((x)->localClient->caps &= ~(cap))
 
-#define SLINKCMD_SET_ZIP_OUT_LEVEL           1	/* data */
-#define SLINKCMD_START_ZIP_OUT               2
-#define SLINKCMD_START_ZIP_IN                3
-#define SLINKCMD_INJECT_RECVQ                4	/* data */
-#define SLINKCMD_INJECT_SENDQ                5	/* data */
-#define SLINKCMD_INIT                        6
-#define SLINKCMD_ZIPSTATS                    7
-
-#ifndef HAVE_SOCKETPAIR
-#define LAST_SLINK_FD   7
-#else
-#define LAST_SLINK_FD   5
-#endif
-
-#define SLINKRPL_FLAG_DATA      0x0001	/* reply has data following */
-#define SLINKRPL_ERROR          1
-#define SLINKRPL_ZIPSTATS       2
-
-#define MAX_SLINKRPL            2
-
-typedef void SlinkRplHnd(unsigned int replyid, unsigned int datalen,
-			 unsigned char *data, struct Client *client_p);
-struct SlinkRplDef
-{
-	unsigned int replyid;
-	SlinkRplHnd *handler;
-	unsigned int flags;
-};
-
 /*
  * Globals
  *