diff --git a/arch/arm/src/nrf53/nrf53_rptun.c b/arch/arm/src/nrf53/nrf53_rptun.c
index ba63ab092b0..9e7ba8c20db 100644
--- a/arch/arm/src/nrf53/nrf53_rptun.c
+++ b/arch/arm/src/nrf53/nrf53_rptun.c
@@ -93,7 +93,6 @@ struct nrf53_rptun_dev_s
   bool                        master;
   struct nrf53_rptun_shmem_s *shmem;
   char                        cpuname[RPMSG_NAME_SIZE + 1];
-  char                        shmemname[RPMSG_NAME_SIZE + 1];
 };
 
 /****************************************************************************
@@ -456,7 +455,7 @@ static int nrf53_rptun_thread(int argc, char *argv[])
  * Public Functions
  ****************************************************************************/
 
-int nrf53_rptun_init(const char *shmemname, const char *cpuname)
+int nrf53_rptun_init(const char *cpuname)
 {
   struct nrf53_rptun_dev_s *dev = &g_rptun_dev;
   int                       ret = OK;
@@ -488,7 +487,6 @@ int nrf53_rptun_init(const char *shmemname, const char *cpuname)
 
   dev->rptun.ops = &g_nrf53_rptun_ops;
   strncpy(dev->cpuname, cpuname, RPMSG_NAME_SIZE);
-  strncpy(dev->shmemname, shmemname, RPMSG_NAME_SIZE);
 
   ret = rptun_initialize(&dev->rptun);
   if (ret < 0)
diff --git a/arch/arm/src/nrf53/nrf53_rptun.h b/arch/arm/src/nrf53/nrf53_rptun.h
index db5eecdb3a2..038dfaf2c61 100644
--- a/arch/arm/src/nrf53/nrf53_rptun.h
+++ b/arch/arm/src/nrf53/nrf53_rptun.h
@@ -50,7 +50,7 @@ extern "C"
  * Name: nrf53_rptun_init
  ****************************************************************************/
 
-int nrf53_rptun_init(const char *shmemname, const char *cpuname);
+int nrf53_rptun_init(const char *cpuname);
 
 #undef EXTERN
 #if defined(__cplusplus)
diff --git a/arch/arm/src/stm32h7/stm32_rptun.c b/arch/arm/src/stm32h7/stm32_rptun.c
index a879ddd54c7..46a66789efc 100644
--- a/arch/arm/src/stm32h7/stm32_rptun.c
+++ b/arch/arm/src/stm32h7/stm32_rptun.c
@@ -99,7 +99,6 @@ struct stm32_rptun_dev_s
   bool                        master;
   struct stm32_rptun_shmem_s *shmem;
   char                        cpuname[RPMSG_NAME_SIZE + 1];
-  char                        shmemname[RPMSG_NAME_SIZE + 1];
 };
 
 /****************************************************************************
@@ -452,7 +451,7 @@ static int stm32_rptun_thread(int argc, char *argv[])
  * Public Functions
  ****************************************************************************/
 
-int stm32_rptun_init(const char *shmemname, const char *cpuname)
+int stm32_rptun_init(const char *cpuname)
 {
   struct stm32_rptun_dev_s *dev = &g_rptun_dev;
   int                       ret = OK;
@@ -482,7 +481,6 @@ int stm32_rptun_init(const char *shmemname, const char *cpuname)
 
   dev->rptun.ops = &g_stm32_rptun_ops;
   strncpy(dev->cpuname, cpuname, RPMSG_NAME_SIZE);
-  strncpy(dev->shmemname, shmemname, RPMSG_NAME_SIZE);
 
   ret = rptun_initialize(&dev->rptun);
   if (ret < 0)
diff --git a/arch/arm/src/stm32h7/stm32_rptun.h b/arch/arm/src/stm32h7/stm32_rptun.h
index 40e5e5f6878..9f9e12f2d78 100644
--- a/arch/arm/src/stm32h7/stm32_rptun.h
+++ b/arch/arm/src/stm32h7/stm32_rptun.h
@@ -50,7 +50,7 @@ extern "C"
  * Name: stm32_rptun_init
  ****************************************************************************/
 
-int stm32_rptun_init(const char *shmemname, const char *cpuname);
+int stm32_rptun_init(const char *cpuname);
 
 #undef EXTERN
 #if defined(__cplusplus)
diff --git a/arch/risc-v/src/mpfs/mpfs_ihc.c b/arch/risc-v/src/mpfs/mpfs_ihc.c
index 7c33bebfaea..6778cd2aa13 100644
--- a/arch/risc-v/src/mpfs/mpfs_ihc.c
+++ b/arch/risc-v/src/mpfs/mpfs_ihc.c
@@ -80,7 +80,6 @@
 /* rptun initialization names */
 
 #define MPFS_RPTUN_CPU_NAME      "mpfs-ihc"
-#define MPFS_RPTUN_SHMEM_NAME    "mpfs-shmem"
 
 /* Vring configuration parameters */
 
@@ -131,7 +130,6 @@ struct mpfs_rptun_dev_s
   struct mpfs_rptun_shmem_s *shmem;
   struct simple_addrenv_s    addrenv[VRINGS];
   char                       cpuname[RPMSG_NAME_SIZE + 1];
-  char                       shmemname[RPMSG_NAME_SIZE + 1];
 };
 
 struct mpfs_queue_table_s
@@ -1085,7 +1083,6 @@ static int mpfs_rptun_register_callback(struct rptun_dev_s *dev,
  *   Initializes the rptun device.
  *
  * Input Parameters:
- *   shmemname  - Shared mempory name
  *   cpuname    - Local CPU name
  *
  * Returned Value:
@@ -1093,7 +1090,7 @@ static int mpfs_rptun_register_callback(struct rptun_dev_s *dev,
  *
  ****************************************************************************/
 
-static int mpfs_rptun_init(const char *shmemname, const char *cpuname)
+static int mpfs_rptun_init(const char *cpuname)
 {
   struct mpfs_rptun_dev_s *dev;
   int ret;
@@ -1112,7 +1109,6 @@ static int mpfs_rptun_init(const char *shmemname, const char *cpuname)
 
   dev->rptun.ops = &g_mpfs_rptun_ops;
   strlcpy(dev->cpuname, cpuname, sizeof(dev->cpuname));
-  strlcpy(dev->shmemname, shmemname, sizeof(dev->shmemname));
   list_add_tail(&g_dev_list, &dev->node);
 
   ret = rptun_initialize(&dev->rptun);
@@ -1377,7 +1373,7 @@ int mpfs_ihc_init(void)
       g_shmem.rsc.rpmsg_vdev.status |= VIRTIO_CONFIG_STATUS_DRIVER_OK;
     }
 
-  ret = mpfs_rptun_init(MPFS_RPTUN_SHMEM_NAME, MPFS_RPTUN_CPU_NAME);
+  ret = mpfs_rptun_init(MPFS_RPTUN_CPU_NAME);
   if (ret < 0)
     {
       ihcerr("ERROR: Not able to init RPTUN\n");
diff --git a/boards/arm/nrf53/nrf5340-dk/src/nrf53_bringup.c b/boards/arm/nrf53/nrf5340-dk/src/nrf53_bringup.c
index 785f57931e3..9ec8819969b 100644
--- a/boards/arm/nrf53/nrf5340-dk/src/nrf53_bringup.c
+++ b/boards/arm/nrf53/nrf5340-dk/src/nrf53_bringup.c
@@ -226,9 +226,9 @@ int nrf53_bringup(void)
 
 #ifdef CONFIG_RPTUN
 #ifdef CONFIG_NRF53_APPCORE
-  nrf53_rptun_init("nrf53-shmem", "appcore");
+  nrf53_rptun_init("appcore");
 #else
-  nrf53_rptun_init("nrf53-shmem", "netcore");
+  nrf53_rptun_init("netcore");
 #endif
 #endif
 
diff --git a/boards/arm/nrf53/thingy53/src/nrf53_bringup.c b/boards/arm/nrf53/thingy53/src/nrf53_bringup.c
index 13f0c2df5c3..13a94fd2e00 100644
--- a/boards/arm/nrf53/thingy53/src/nrf53_bringup.c
+++ b/boards/arm/nrf53/thingy53/src/nrf53_bringup.c
@@ -205,9 +205,9 @@ int nrf53_bringup(void)
 
 #ifdef CONFIG_RPTUN
 #ifdef CONFIG_NRF53_APPCORE
-  nrf53_rptun_init("nrf53-shmem", "appcore");
+  nrf53_rptun_init("appcore");
 #else
-  nrf53_rptun_init("nrf53-shmem", "netcore");
+  nrf53_rptun_init("netcore");
 #endif
 #endif
 
diff --git a/boards/arm/stm32h7/nucleo-h745zi/src/stm32_bringup.c b/boards/arm/stm32h7/nucleo-h745zi/src/stm32_bringup.c
index 3331ae7f8c6..e5a4cfed25b 100644
--- a/boards/arm/stm32h7/nucleo-h745zi/src/stm32_bringup.c
+++ b/boards/arm/stm32h7/nucleo-h745zi/src/stm32_bringup.c
@@ -104,9 +104,9 @@ int stm32_bringup(void)
 
 #ifdef CONFIG_RPTUN
 #  ifdef CONFIG_ARCH_CHIP_STM32H7_CORTEXM7
-  stm32_rptun_init("cm4-cm7-shmem", "cm4");
+  stm32_rptun_init("cm4");
 #  else
-  stm32_rptun_init("cm4-cm7-shmem", "cm7");
+  stm32_rptun_init("cm7");
 #  endif
 #endif