diff --git a/include/uapi/linux/nvsciipc_ioctl.h b/include/uapi/linux/nvsciipc_ioctl.h
index cfebdf08..942485d4 100644
--- a/include/uapi/linux/nvsciipc_ioctl.h
+++ b/include/uapi/linux/nvsciipc_ioctl.h
@@ -46,11 +46,6 @@ struct nvsciipc_get_vuid {
 	uint64_t vuid;
 };
 
-struct nvsciipc_get_db_by_id {
-	uint32_t id; // IVC qid
-	struct nvsciipc_config_entry entry;
-};
-
 struct nvsciipc_get_db_by_name {
 	char ep_name[NVSCIIPC_MAX_EP_NAME];
 	struct nvsciipc_config_entry entry;
diff --git a/include/uapi/linux/tegra-ivc-dev.h b/include/uapi/linux/tegra-ivc-dev.h
index 29967707..c8d99cf5 100644
--- a/include/uapi/linux/tegra-ivc-dev.h
+++ b/include/uapi/linux/tegra-ivc-dev.h
@@ -1,7 +1,5 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * SPDX-FileCopyrightText: Copyright (c) 2022-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2022-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 
 #ifndef __UAPI_TEGRA_IVC_DEV_H
 #define __UAPI_TEGRA_IVC_DEV_H
@@ -31,15 +29,7 @@ struct nvipc_ivc_info {
 #define NVIPC_IVC_IOCTL_GET_INFO \
 	_IOWR(NVIPC_IVC_IOCTL_MAGIC, 1, struct nvipc_ivc_info)
 
-/* notify remote */
-#define NVIPC_IVC_IOCTL_NOTIFY_REMOTE \
-	_IO(NVIPC_IVC_IOCTL_MAGIC, 2)
-
-/* query vmid */
-#define NVIPC_IVC_IOCTL_GET_VMID \
-	_IOR(NVIPC_IVC_IOCTL_MAGIC, 3, uint32_t)
-
-#define NVIPC_IVC_IOCTL_NUMBER_MAX 3
+#define NVIPC_IVC_IOCTL_NUMBER_MAX 1
 
 int ivc_cdev_get_peer_vmid(uint32_t qid, uint32_t *peer_vmid);
 int ivc_cdev_get_noti_type(uint32_t qid, uint32_t *noti_type);