diff --git a/sys/kern/uipc_shm.c b/sys/kern/uipc_shm.c
index 0ee2147da122..9f556efde3f1 100644
--- a/sys/kern/uipc_shm.c
+++ b/sys/kern/uipc_shm.c
@@ -2033,12 +2033,10 @@ sysctl_posix_shm_list(SYSCTL_HANDLER_ARGS)
 	struct sbuf sb;
 	struct kinfo_file kif;
 	u_long i;
-	ssize_t curlen;
 	int error, error2;
 
 	sbuf_new_for_sysctl(&sb, NULL, sizeof(struct kinfo_file) * 5, req);
 	sbuf_clear_flags(&sb, SBUF_INCLUDENUL);
-	curlen = 0;
 	error = 0;
 	sx_slock(&shm_dict_lock);
 	for (i = 0; i < shm_hash + 1; i++) {
@@ -2056,7 +2054,6 @@ sysctl_posix_shm_list(SYSCTL_HANDLER_ARGS)
 			    0 : ENOMEM;
 			if (error != 0)
 				break;
-			curlen += kif.kf_structsize;
 		}
 	}
 	sx_sunlock(&shm_dict_lock);