diff --git a/vendor/golang.org/x/sys/unix/ztypes_darwin_arm.go b/vendor/golang.org/x/sys/unix/ztypes_darwin_arm.go
index 4fe4c9c..04e344b 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_darwin_arm.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_darwin_arm.go
@@ -60,24 +60,24 @@
 type _Gid_t uint32
 
 type Stat_t struct {
-	Dev     int32
-	Mode    uint16
-	Nlink   uint16
-	Ino     uint64
-	Uid     uint32
-	Gid     uint32
-	Rdev    int32
-	Atim    Timespec
-	Mtim    Timespec
-	Ctim    Timespec
-	Btim    Timespec
-	Size    int64
-	Blocks  int64
-	Blksize int32
-	Flags   uint32
-	Gen     uint32
-	Lspare  int32
-	Qspare  [2]int64
+	Dev           int32
+	Mode          uint16
+	Nlink         uint16
+	Ino           uint64
+	Uid           uint32
+	Gid           uint32
+	Rdev          int32
+	Atimespec     Timespec
+	Mtimespec     Timespec
+	Ctimespec     Timespec
+	Birthtimespec Timespec
+	Size          int64
+	Blocks        int64
+	Blksize       int32
+	Flags         uint32
+	Gen           uint32
+	Lspare        int32
+	Qspare        [2]int64
 }
 
 type Statfs_t struct {
@@ -488,13 +488,3 @@
 	Version  [256]byte
 	Machine  [256]byte
 }
-
-const SizeofClockinfo = 0x14
-
-type Clockinfo struct {
-	Hz      int32
-	Tick    int32
-	Tickadj int32
-	Stathz  int32
-	Profhz  int32
-}