diff --git a/arch/sim/src/sim/sim_rpmsg_virtio.c b/arch/sim/src/sim/sim_rpmsg_virtio.c
index e2f6bcfac9b..3b03626e663 100644
--- a/arch/sim/src/sim/sim_rpmsg_virtio.c
+++ b/arch/sim/src/sim/sim_rpmsg_virtio.c
@@ -91,7 +91,6 @@ sim_rpmsg_virtio_get_resource(struct rpmsg_virtio_lite_s *dev)
   struct sim_rpmsg_virtio_dev_s *priv =
     container_of(dev, struct sim_rpmsg_virtio_dev_s, dev);
   struct rpmsg_virtio_lite_rsc_s *rsc;
-  struct rpmsg_virtio_lite_cmd_s *cmd;
 
   priv->shmem = host_allocshmem(priv->shmemname, sizeof(*priv->shmem));
   if (!priv->shmem)
@@ -100,7 +99,6 @@ sim_rpmsg_virtio_get_resource(struct rpmsg_virtio_lite_s *dev)
     }
 
   rsc = &priv->shmem->rsc;
-  cmd = RPMSG_VIRTIO_LITE_RSC2CMD(rsc);
 
   if (priv->master)
     {
@@ -118,7 +116,6 @@ sim_rpmsg_virtio_get_resource(struct rpmsg_virtio_lite_s *dev)
       rsc->rpmsg_vring1.num         = 8;
       rsc->config.r2h_buf_size      = 2048;
       rsc->config.h2r_buf_size      = 2048;
-      cmd->cmd_slave                = 0;
 
       priv->shmem->base = (uintptr_t)priv->shmem;
     }
@@ -131,7 +128,6 @@ sim_rpmsg_virtio_get_resource(struct rpmsg_virtio_lite_s *dev)
           usleep(1000);
         }
 
-      cmd->cmd_master       = 0;
       priv->addrenv[0].va   = (uintptr_t)priv->shmem;
       priv->addrenv[0].pa   = priv->shmem->base;
       priv->addrenv[0].size = sizeof(*priv->shmem);
diff --git a/arch/sim/src/sim/sim_rptun.c b/arch/sim/src/sim/sim_rptun.c
index f8641146eab..3723183296f 100644
--- a/arch/sim/src/sim/sim_rptun.c
+++ b/arch/sim/src/sim/sim_rptun.c
@@ -105,7 +105,6 @@ sim_rptun_get_resource(struct rptun_dev_s *dev)
 {
   struct sim_rptun_dev_s *priv = container_of(dev,
                                  struct sim_rptun_dev_s, rptun);
-  struct rptun_cmd_s *cmd;
 
   priv->shmem = host_allocshmem(priv->shmemname,
                                 sizeof(*priv->shmem));
@@ -114,8 +113,6 @@ sim_rptun_get_resource(struct rptun_dev_s *dev)
       return NULL;
     }
 
-  cmd = RPTUN_RSC2CMD(&priv->shmem->rsc);
-
   priv->raddrenv[0].da   = 0;
   priv->raddrenv[0].size = sizeof(*priv->shmem);
 
@@ -150,7 +147,6 @@ sim_rptun_get_resource(struct rptun_dev_s *dev)
       rsc->config.r2h_buf_size      = 0x800;
       rsc->config.h2r_buf_size      = 0x800;
 
-      cmd->cmd_slave                = 0;
       priv->shmem->base             = (uintptr_t)priv->shmem;
 
       /* The master notifies its slave when it starts again */
@@ -180,8 +176,6 @@ sim_rptun_get_resource(struct rptun_dev_s *dev)
           usleep(1000);
         }
 
-      cmd->cmd_master       = 0;
-
       priv->raddrenv[0].pa  = (uintptr_t)priv->shmem->base;
 
       priv->shmem->boots    = SIM_RPTUN_STATUS_OK;
diff --git a/drivers/rpmsg/rpmsg_virtio_ivshmem.c b/drivers/rpmsg/rpmsg_virtio_ivshmem.c
index e339dd5eb7b..c5ae98d2f86 100644
--- a/drivers/rpmsg/rpmsg_virtio_ivshmem.c
+++ b/drivers/rpmsg/rpmsg_virtio_ivshmem.c
@@ -165,7 +165,6 @@ rpmsg_virtio_ivshmem_get_resource(FAR struct rpmsg_virtio_lite_s *dev)
           usleep(1000);
         }
 
-      cmd->cmd_master       = 0;
       priv->addrenv[0].va   = (uint64_t)(uintptr_t)priv->shmem;
       priv->addrenv[0].pa   = priv->shmem->basem;
       priv->addrenv[0].size = priv->shmem_size;
diff --git a/drivers/rptun/rptun_ivshmem.c b/drivers/rptun/rptun_ivshmem.c
index 2e2c5a88432..b48e8907567 100644
--- a/drivers/rptun/rptun_ivshmem.c
+++ b/drivers/rptun/rptun_ivshmem.c
@@ -193,7 +193,6 @@ rptun_ivshmem_get_resource(FAR struct rptun_dev_s *dev)
       rsc->config.h2r_buf_size      = CONFIG_RPTUN_IVSHMEM_BUFFSIZE;
 
       priv->shmem->rsc_size         = sizeof(struct rptun_rsc_s);
-      cmd->cmd_master               = 0;
       cmd->cmd_slave                = RPTUN_CMD(RPTUN_CMD_READY, 0);
 
       /* Wait until master is ready, slave needs to use master base to