diff --git a/devicemodel/core/vmmapi.c b/devicemodel/core/vmmapi.c
index 88f38068c..6aafb6616 100644
--- a/devicemodel/core/vmmapi.c
+++ b/devicemodel/core/vmmapi.c
@@ -643,61 +643,3 @@ vm_irqfd(struct vmctx *ctx, struct acrn_irqfd *args)
 {
 	return ioctl(ctx->fd, ACRN_IOCTL_IRQFD, args);
 }
-
-int
-vm_get_config(struct vmctx *ctx, struct acrn_vm_config_header *vm_cfg, struct acrn_platform_info *plat_info)
-{
-	int i, err = 0;
-	int configs_size;
-	uint8_t *configs_buff = NULL;
-	struct acrn_vm_config_header *pcfg;
-	struct acrn_platform_info platform_info;
-
-	if ((ctx == NULL) || (vm_cfg == NULL))
-		return -1;
-
-	/* The first IOCTL to get max_vm and vm_config size of a VM */
-	bzero(&platform_info, sizeof(platform_info));
-	err = ioctl(ctx->fd, ACRN_IOCTL_GET_PLATFORM_INFO, &platform_info);
-	if (err) {
-		pr_err("%s: IOCTL first time failed!\n", __func__);
-		goto exit;
-	}
-
-	configs_size = platform_info.sw.max_vms * platform_info.sw.vm_config_size;
-	configs_buff = calloc(1, configs_size);
-	if (configs_buff == NULL) {
-		pr_err("%s, Allocate memory fail.\n", __func__);
-		return -1;
-	}
-
-	platform_info.sw.vm_configs_addr = configs_buff;
-	err = ioctl(ctx->fd, ACRN_IOCTL_GET_PLATFORM_INFO, &platform_info);
-	if (err) {
-		pr_err("%s: IOCTL second time failed!\n", __func__);
-		goto exit;
-	}
-
-	for (i = 0; i < platform_info.sw.max_vms; i++) {
-		pcfg = (struct acrn_vm_config_header *)(configs_buff + (i * platform_info.sw.vm_config_size));
-		if (!strncmp(ctx->name, pcfg->name, strnlen(ctx->name, MAX_VM_NAME_LEN)))
-			break;
-	}
-
-	if (i == platform_info.sw.max_vms) {
-		pr_err("%s, Not found target VM.\n", __func__);
-		err = -1;
-		goto exit;
-	}
-
-	memcpy((void *)vm_cfg, (void *)pcfg, sizeof(struct acrn_vm_config_header));
-	if (plat_info != NULL) {
-		memcpy((void *)plat_info, (void *)&platform_info, sizeof(struct acrn_platform_info));
-		pr_info("%s, l2_cat_shift=%u, l3_cat_shift=%u\n",
-			__func__, platform_info.hw.l2_cat_shift, platform_info.hw.l3_cat_shift);
-	}
-
-exit:
-	free(configs_buff);
-	return err;
-}
diff --git a/devicemodel/include/public/hsm_ioctl_defs.h b/devicemodel/include/public/hsm_ioctl_defs.h
index 3c89f4f21..3a617cc64 100644
--- a/devicemodel/include/public/hsm_ioctl_defs.h
+++ b/devicemodel/include/public/hsm_ioctl_defs.h
@@ -69,9 +69,6 @@
 /*
  * Common IOCTL IDs definition for ACRN userspace
  */
-#define ACRN_IOCTL_GET_PLATFORM_INFO	\
-	_IOR(ACRN_IOCTL_TYPE, 0x03, struct acrn_platform_info)
-
 #define ACRN_IOCTL_CREATE_VM		\
 	_IOWR(ACRN_IOCTL_TYPE, 0x10, struct acrn_vm_creation)
 #define ACRN_IOCTL_DESTROY_VM		\
@@ -223,45 +220,6 @@ struct acrn_ioreq_notify {
 };
 
 #define ACRN_PLATFORM_LAPIC_IDS_MAX	64
-/**
- * @brief - Information of a platform from hypervisor
- *
- * If vm_configs_addr is provided, the driver uses a bounce buffer (kmalloced
- * for continuous memory region) to fetch VM configurations data from the
- * hypervisor.
- */
-struct acrn_platform_info {
-	struct {
-		/** Physical CPU number of the platform */
-		__u16	cpu_num;
-		/** Version of this structure */
-		__u16	version;
-		/** Order of the number of threads sharing L2 cache */
-		__u32	l2_cat_shift;
-		/** Order of the number of threads sharing L3 cache */
-		__u32	l3_cat_shift;
-		/** IDs of LAPICs of all threads */
-		__u8	lapic_ids[ACRN_PLATFORM_LAPIC_IDS_MAX];
-		/** Reserved for alignment and should be 0 */
-		__u8	reserved[52];
-	} hw;
-
-	struct {
-		/** Maximum number of vCPU of a VM */
-		__u16	max_vcpus_per_vm;
-		/** Maximum number of VM */
-		__u16	max_vms;
-		/** Size of configuration of a VM */
-		__u32	vm_config_size;
-
-		/** Memory address which user space provided to
-		 *  store the VM configurations
-		 */
-		void	*vm_configs_addr;
-		__u8	reserved[112];
-	} sw;
-};
-
 struct acrn_ioeventfd {
 #define ACRN_IOEVENTFD_FLAG_PIO		0x01
 #define ACRN_IOEVENTFD_FLAG_DATAMATCH	0x02
diff --git a/devicemodel/include/vmmapi.h b/devicemodel/include/vmmapi.h
index 523c2ef10..fdaa63e2b 100644
--- a/devicemodel/include/vmmapi.h
+++ b/devicemodel/include/vmmapi.h
@@ -150,6 +150,4 @@ void	vm_reset_watchdog(struct vmctx *ctx);
 
 int	vm_ioeventfd(struct vmctx *ctx, struct acrn_ioeventfd *args);
 int	vm_irqfd(struct vmctx *ctx, struct acrn_irqfd *args);
-int	vm_get_config(struct vmctx *ctx, struct acrn_vm_config_header *vm_cfg,
-		      struct acrn_platform_info *plat_info);
 #endif	/* _VMMAPI_H_ */