diff --git a/libc/kernel/uapi/misc/fastrpc.h b/libc/kernel/uapi/misc/fastrpc.h
index e82b961..62955ec 100644
--- a/libc/kernel/uapi/misc/fastrpc.h
+++ b/libc/kernel/uapi/misc/fastrpc.h
@@ -27,32 +27,11 @@
 #define FASTRPC_IOCTL_MMAP _IOWR('R', 6, struct fastrpc_req_mmap)
 #define FASTRPC_IOCTL_MUNMAP _IOWR('R', 7, struct fastrpc_req_munmap)
 #define FASTRPC_IOCTL_INIT_ATTACH_SNS _IO('R', 8)
-#define FASTRPC_IOCTL_MEM_MAP _IOWR('R', 10, struct fastrpc_mem_map)
-#define FASTRPC_IOCTL_MEM_UNMAP _IOWR('R', 11, struct fastrpc_mem_unmap)
-#define FASTRPC_IOCTL_GET_DSP_INFO _IOWR('R', 13, struct fastrpc_ioctl_capability)
-enum fastrpc_map_flags {
-  FASTRPC_MAP_STATIC = 0,
-  FASTRPC_MAP_RESERVED,
-  FASTRPC_MAP_FD = 2,
-  FASTRPC_MAP_FD_DELAYED,
-  FASTRPC_MAP_FD_NOMAP = 16,
-  FASTRPC_MAP_MAX,
-};
-enum fastrpc_proc_attr {
-  FASTRPC_MODE_DEBUG = (1 << 0),
-  FASTRPC_MODE_PTRACE = (1 << 1),
-  FASTRPC_MODE_CRC = (1 << 2),
-  FASTRPC_MODE_UNSIGNED_MODULE = (1 << 3),
-  FASTRPC_MODE_ADAPTIVE_QOS = (1 << 4),
-  FASTRPC_MODE_SYSTEM_PROCESS = (1 << 5),
-  FASTRPC_MODE_PRIVILEGED = (1 << 6),
-};
-#define FASTRPC_ATTR_SECUREMAP (1)
 struct fastrpc_invoke_args {
   __u64 ptr;
   __u64 length;
   __s32 fd;
-  __u32 attr;
+  __u32 reserved;
 };
 struct fastrpc_invoke {
   __u32 handle;
@@ -78,32 +57,8 @@
   __u64 size;
   __u64 vaddrout;
 };
-struct fastrpc_mem_map {
-  __s32 version;
-  __s32 fd;
-  __s32 offset;
-  __u32 flags;
-  __u64 vaddrin;
-  __u64 length;
-  __u64 vaddrout;
-  __s32 attrs;
-  __s32 reserved[4];
-};
 struct fastrpc_req_munmap {
   __u64 vaddrout;
   __u64 size;
 };
-struct fastrpc_mem_unmap {
-  __s32 vesion;
-  __s32 fd;
-  __u64 vaddr;
-  __u64 length;
-  __s32 reserved[5];
-};
-struct fastrpc_ioctl_capability {
-  __u32 domain;
-  __u32 attribute_id;
-  __u32 capability;
-  __u32 reserved[4];
-};
 #endif