diff --git a/sbin/idmapd/idmapd.c b/sbin/idmapd/idmapd.c
index 809f7b4fbe94..e32c38330a29 100644
--- a/sbin/idmapd/idmapd.c
+++ b/sbin/idmapd/idmapd.c
@@ -215,7 +215,7 @@ idmap_service(struct idmap_e * e)
 	}
 
 	if (e->msg.msg_len != sizeof(struct idmap_msg)) {
-		fprintf(stderr, "bad message length: %d/%d\n", e->msg.msg_len,
+		fprintf(stderr, "bad message length: %zd/%zd\n", e->msg.msg_len,
 	    	sizeof(struct idmap_msg));
 		return -1;
 	}
@@ -355,9 +355,6 @@ main(int argc, char ** argv)
 	if (!verbose)
 		daemon(0,0);
 
-	if (verbose)
-		printf("sizeof nfs4dev_msg: %d\n", sizeof(struct nfs4dev_msg));
-
 	maxfd = fd;
 	for (;;) {
 	  	struct timeval timo = {1, 0};
diff --git a/sys/nfs4client/nfs4_dev.h b/sys/nfs4client/nfs4_dev.h
index 218f1de3206d..4d4817c544c9 100644
--- a/sys/nfs4client/nfs4_dev.h
+++ b/sys/nfs4client/nfs4_dev.h
@@ -47,7 +47,7 @@ struct nfs4dev_msg {
 	uint8_t msg_data[NFS4DEV_MSG_MAX_DATALEN];
 };
 
-#define NFS4DEV_VERSION  (0x3 << 16 | sizeof(struct nfs4dev_msg))
+#define NFS4DEV_VERSION  (0x3 << 16 | (int) sizeof(struct nfs4dev_msg))
 
 /* ioctl commands */
 #define NFS4DEVIOCGET _IOR('A', 0x200, struct nfs4dev_msg)