diff --git a/sys/dev/mpi3mr/mpi3mr.h b/sys/dev/mpi3mr/mpi3mr.h
--- a/sys/dev/mpi3mr/mpi3mr.h
+++ b/sys/dev/mpi3mr/mpi3mr.h
@@ -456,19 +456,13 @@
 	union ccb			*ccb;
 	void				*data;
 	u_int				length;
-	u_int				out_len;
-	struct uio			uio;
-	struct iovec			iovec[MPI3MR_IOVEC_COUNT];
-	u_int				max_segs;
 	struct mpi3mr_target		*targ;
-	u_int	                	lun;
 	u_int				data_dir;
 	u_int				state;
 	bus_dmamap_t			dmamap;
 	struct scsi_sense_data		*sense;
 	struct callout			callout;
 	bool				callout_owner;
-	mpi3mr_cmd_callback_t		*timeout_handler;
 	U16				hosttag;
 	U8				req_qidx;
 	Mpi3SCSIIORequest_t		io_request;
diff --git a/sys/dev/mpi3mr/mpi3mr.c b/sys/dev/mpi3mr/mpi3mr.c
--- a/sys/dev/mpi3mr/mpi3mr.c
+++ b/sys/dev/mpi3mr/mpi3mr.c
@@ -4985,12 +4985,9 @@
 	cmd->data_dir = 0;
 	cmd->ccb = NULL;
 	cmd->targ = NULL;
-	cmd->max_segs = 0;
-	cmd->lun = 0;
 	cmd->state = MPI3MR_CMD_STATE_BUSY;
 	cmd->data = NULL;
 	cmd->length = 0;
-	cmd->out_len = 0;
 out:
 	mtx_unlock(&sc->cmd_pool_lock);
 	return cmd;