diff --git a/unix/syscall_linux_riscv64.go b/unix/syscall_linux_riscv64.go
index 925a748..8ff7adb 100644
--- a/unix/syscall_linux_riscv64.go
+++ b/unix/syscall_linux_riscv64.go
@@ -22,7 +22,6 @@
 //sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
 //sysnb	Getuid() (uid int)
 //sys	Listen(s int, n int) (err error)
-//sys	MemfdSecret(flags int) (fd int, err error)
 //sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
 //sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
diff --git a/unix/zsyscall_linux_riscv64.go b/unix/zsyscall_linux_riscv64.go
index 1239cc2..a1a9bcb 100644
--- a/unix/zsyscall_linux_riscv64.go
+++ b/unix/zsyscall_linux_riscv64.go
@@ -180,17 +180,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func MemfdSecret(flags int) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_MEMFD_SECRET, uintptr(flags), 0, 0)
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func pread(fd int, p []byte, offset int64) (n int, err error) {
 	var _p0 unsafe.Pointer
 	if len(p) > 0 {