diff --git a/src/server.c b/src/server.c
index e2534a4d..7d84d39f 100644
--- a/src/server.c
+++ b/src/server.c
@@ -1428,9 +1428,7 @@ void createSharedObjects(void) {
     shared.emptybulk = createObject(OBJ_STRING,sdsnew("$0\r\n\r\n"));
     shared.czero = createObject(OBJ_STRING,sdsnew(":0\r\n"));
     shared.cone = createObject(OBJ_STRING,sdsnew(":1\r\n"));
-    shared.cnegone = createObject(OBJ_STRING,sdsnew(":-1\r\n"));
     shared.emptyarray = createObject(OBJ_STRING,sdsnew("*0\r\n"));
-    shared.null = createObject(OBJ_STRING,sdsnew("_\r\n"));
     shared.pong = createObject(OBJ_STRING,sdsnew("+PONG\r\n"));
     shared.queued = createObject(OBJ_STRING,sdsnew("+QUEUED\r\n"));
     shared.emptyscan = createObject(OBJ_STRING,sdsnew("*2\r\n$1\r\n0\r\n*0\r\n"));
diff --git a/src/server.h b/src/server.h
index 2bb7e365..456d11ca 100644
--- a/src/server.h
+++ b/src/server.h
@@ -781,8 +781,8 @@ struct moduleLoadQueueEntry {
 };
 
 struct sharedObjectsStruct {
-    robj *crlf, *ok, *err, *emptybulk, *czero, *cone, *cnegone, *pong, *space,
-    *colon, *queued, *null,
+    robj *crlf, *ok, *err, *emptybulk, *czero, *cone, *pong, *space,
+    *colon, *queued,
     *emptyarray, *wrongtypeerr, *nokeyerr, *syntaxerr, *sameobjecterr,
     *outofrangeerr, *noscripterr, *loadingerr, *slowscripterr, *bgsaveerr,
     *masterdownerr, *roslaveerr, *execaborterr, *noautherr, *noreplicaserr,
diff --git a/src/t_list.c b/src/t_list.c
index dd4ec953..60c8e9ab 100644
--- a/src/t_list.c
+++ b/src/t_list.c
@@ -298,7 +298,7 @@ void linsertCommand(client *c) {
         server.dirty++;
     } else {
         /* Notify client of a failed insert */
-        addReply(c,shared.cnegone);
+        addReplyLongLong(c,-1);
         return;
     }