Index: head/sys/fs/nfs/nfs_commonport.c
===================================================================
--- head/sys/fs/nfs/nfs_commonport.c
+++ head/sys/fs/nfs/nfs_commonport.c
@@ -541,16 +541,15 @@
 			    i < NFSV42_NOPS + NFSV4OP_FAKENOPS; i++, j++)
 				oldnfsstats.srvrpccnt[j] =
 				    nfsstatsv1.srvrpccnt[i];
-			oldnfsstats.srvrpc_errs = nfsstatsv1.srvrpc_errs;
-			oldnfsstats.srv_errs = nfsstatsv1.srv_errs;
+			oldnfsstats.reserved_0 = 0;
+			oldnfsstats.reserved_1 = 0;
 			oldnfsstats.rpcrequests = nfsstatsv1.rpcrequests;
 			oldnfsstats.rpctimeouts = nfsstatsv1.rpctimeouts;
 			oldnfsstats.rpcunexpected = nfsstatsv1.rpcunexpected;
 			oldnfsstats.rpcinvalid = nfsstatsv1.rpcinvalid;
 			oldnfsstats.srvcache_inproghits =
 			    nfsstatsv1.srvcache_inproghits;
-			oldnfsstats.srvcache_idemdonehits =
-			    nfsstatsv1.srvcache_idemdonehits;
+			oldnfsstats.reserved_2 = 0;
 			oldnfsstats.srvcache_nonidemdonehits =
 			    nfsstatsv1.srvcache_nonidemdonehits;
 			oldnfsstats.srvcache_misses =
@@ -636,10 +635,8 @@
 					     i++, j++)
 						nfsstatsov1.srvrpccnt[j] =
 						    nfsstatsv1.srvrpccnt[i];
-					nfsstatsov1.srvrpc_errs =
-					    nfsstatsv1.srvrpc_errs;
-					nfsstatsov1.srv_errs =
-					    nfsstatsv1.srv_errs;
+					nfsstatsov1.reserved_0 = 0;
+					nfsstatsov1.reserved_1 = 0;
 					nfsstatsov1.rpcrequests =
 					    nfsstatsv1.rpcrequests;
 					nfsstatsov1.rpctimeouts =
@@ -650,8 +647,7 @@
 					    nfsstatsv1.rpcinvalid;
 					nfsstatsov1.srvcache_inproghits =
 					    nfsstatsv1.srvcache_inproghits;
-					nfsstatsov1.srvcache_idemdonehits =
-					    nfsstatsv1.srvcache_idemdonehits;
+					nfsstatsov1.reserved_2 = 0;
 					nfsstatsov1.srvcache_nonidemdonehits =
 					    nfsstatsv1.srvcache_nonidemdonehits;
 					nfsstatsov1.srvcache_misses =
@@ -750,10 +746,7 @@
 				    sizeof(nfsstatsv1.rpccnt));
 			}
 			if ((uap->flag & NFSSVC_ZEROSRVSTATS) != 0) {
-				nfsstatsv1.srvrpc_errs = 0;
-				nfsstatsv1.srv_errs = 0;
 				nfsstatsv1.srvcache_inproghits = 0;
-				nfsstatsv1.srvcache_idemdonehits = 0;
 				nfsstatsv1.srvcache_nonidemdonehits = 0;
 				nfsstatsv1.srvcache_misses = 0;
 				nfsstatsv1.srvcache_tcppeak = 0;
Index: head/sys/fs/nfs/nfsport.h
===================================================================
--- head/sys/fs/nfs/nfsport.h
+++ head/sys/fs/nfs/nfsport.h
@@ -447,14 +447,14 @@
 	uint64_t	rpccnt[NFSV42_NPROCS + 15];
 	uint64_t	rpcretries;
 	uint64_t	srvrpccnt[NFSV42_NOPS + NFSV4OP_FAKENOPS + 15];
-	uint64_t	srvrpc_errs;
-	uint64_t	srv_errs;
+	uint64_t	reserved_0;
+	uint64_t	reserved_1;
 	uint64_t	rpcrequests;
 	uint64_t	rpctimeouts;
 	uint64_t	rpcunexpected;
 	uint64_t	rpcinvalid;
 	uint64_t	srvcache_inproghits;
-	uint64_t	srvcache_idemdonehits;
+	uint64_t	reserved_2;
 	uint64_t	srvcache_nonidemdonehits;
 	uint64_t	srvcache_misses;
 	uint64_t	srvcache_tcppeak;
@@ -512,14 +512,14 @@
 	uint64_t	rpccnt[NFSV42_NPROCS + 4];
 	uint64_t	rpcretries;
 	uint64_t	srvrpccnt[NFSV42_PURENOPS + NFSV4OP_FAKENOPS];
-	uint64_t	srvrpc_errs;
-	uint64_t	srv_errs;
+	uint64_t	reserved_0;
+	uint64_t	reserved_1;
 	uint64_t	rpcrequests;
 	uint64_t	rpctimeouts;
 	uint64_t	rpcunexpected;
 	uint64_t	rpcinvalid;
 	uint64_t	srvcache_inproghits;
-	uint64_t	srvcache_idemdonehits;
+	uint64_t	reserved_2;
 	uint64_t	srvcache_nonidemdonehits;
 	uint64_t	srvcache_misses;
 	uint64_t	srvcache_tcppeak;
@@ -574,14 +574,14 @@
 	int	rpccnt[NFSV4_NPROCS];
 	int	rpcretries;
 	int	srvrpccnt[NFSV4OP_NOPS + NFSV4OP_FAKENOPS];
-	int	srvrpc_errs;
-	int	srv_errs;
+	int	reserved_0;
+	int	reserved_1;
 	int	rpcrequests;
 	int	rpctimeouts;
 	int	rpcunexpected;
 	int	rpcinvalid;
 	int	srvcache_inproghits;
-	int	srvcache_idemdonehits;
+	int	reserved_2;
 	int	srvcache_nonidemdonehits;
 	int	srvcache_misses;
 	int	srvcache_tcppeak;
Index: head/sys/nfsserver/nfsrvstats.h
===================================================================
--- head/sys/nfsserver/nfsrvstats.h
+++ head/sys/nfsserver/nfsrvstats.h
@@ -42,10 +42,10 @@
  * Server stats structure
  */
 struct nfsrvstats {
-	int	srvrpc_errs;
-	int	srv_errs;
+	int	reserved_0;
+	int	reserved_1;
 	int	srvcache_inproghits;
-	int	srvcache_idemdonehits;
+	int	reserved_2;
 	int	srvcache_nonidemdonehits;
 	int	srvcache_misses;
 	int	srvvop_writes;