diff --git a/Makefile b/Makefile
index 0fafbfc33..9f6639e67 100644
--- a/Makefile
+++ b/Makefile
@@ -39,7 +39,6 @@ endif
 
 vet:
 	GOOS=darwin GOARCH=amd64 go vet ./...
-	GOOS=darwin GOARCH=386 go vet ./...
 	GOOS=darwin GOARCH=arm64 go vet ./...
 
 	GOOS=dragonfly GOARCH=amd64 go vet ./...
diff --git a/README.md b/README.md
index 8e4e937f1..840c353f1 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ can be skipped.
 - FreeBSD i386/amd64/arm
 - Linux i386/amd64/arm(raspberry pi)
 - Windows i386/amd64/arm/arm64
-- Darwin i386/amd64
+- Darwin amd64/arm64
 - OpenBSD amd64 (Thank you @mpfz0r!)
 - Solaris amd64 (developed and tested on SmartOS/Illumos, Thank you
   @jen20!)
diff --git a/host/host_darwin_386.go b/host/host_darwin_386.go
deleted file mode 100644
index 8caeed2e8..000000000
--- a/host/host_darwin_386.go
+++ /dev/null
@@ -1,20 +0,0 @@
-// Created by cgo -godefs - DO NOT EDIT
-// cgo -godefs types_darwin.go
-
-package host
-
-type Utmpx struct {
-	User      [256]int8
-	ID        [4]int8
-	Line      [32]int8
-	Pid       int32
-	Type      int16
-	Pad_cgo_0 [6]byte
-	Tv        Timeval
-	Host      [256]int8
-	Pad       [16]uint32
-}
-
-type Timeval struct {
-	Sec int32
-}
diff --git a/process/process_darwin_386.go b/process/process_darwin_386.go
deleted file mode 100644
index b353e5eac..000000000
--- a/process/process_darwin_386.go
+++ /dev/null
@@ -1,236 +0,0 @@
-// Created by cgo -godefs - DO NOT EDIT
-// cgo -godefs types_darwin.go
-
-package process
-
-const (
-	sizeofPtr      = 0x8
-	sizeofShort    = 0x2
-	sizeofInt      = 0x4
-	sizeofLong     = 0x8
-	sizeofLongLong = 0x8
-)
-
-type (
-	_C_short     int16
-	_C_int       int32
-	_C_long      int64
-	_C_long_long int64
-)
-
-type Timespec struct {
-	Sec  int64
-	Nsec int64
-}
-
-type Timeval struct {
-	Sec       int64
-	Usec      int32
-	Pad_cgo_0 [4]byte
-}
-
-type Rusage struct {
-	Utime    Timeval
-	Stime    Timeval
-	Maxrss   int64
-	Ixrss    int64
-	Idrss    int64
-	Isrss    int64
-	Minflt   int64
-	Majflt   int64
-	Nswap    int64
-	Inblock  int64
-	Oublock  int64
-	Msgsnd   int64
-	Msgrcv   int64
-	Nsignals int64
-	Nvcsw    int64
-	Nivcsw   int64
-}
-
-type Rlimit struct {
-	Cur uint64
-	Max uint64
-}
-
-type UGid_t uint32
-
-type KinfoProc struct {
-	Proc  ExternProc
-	Eproc Eproc
-}
-
-type Eproc struct {
-	Paddr     *uint64
-	Sess      *Session
-	Pcred     Upcred
-	Ucred     Uucred
-	Pad_cgo_0 [4]byte
-	Vm        Vmspace
-	Ppid      int32
-	Pgid      int32
-	Jobc      int16
-	Pad_cgo_1 [2]byte
-	Tdev      int32
-	Tpgid     int32
-	Pad_cgo_2 [4]byte
-	Tsess     *Session
-	Wmesg     [8]int8
-	Xsize     int32
-	Xrssize   int16
-	Xccount   int16
-	Xswrss    int16
-	Pad_cgo_3 [2]byte
-	Flag      int32
-	Login     [12]int8
-	Spare     [4]int32
-	Pad_cgo_4 [4]byte
-}
-
-type Proc struct{}
-
-type Session struct{}
-
-type ucred struct {
-	Link  _Ctype_struct___0
-	Ref   uint64
-	Posix Posix_cred
-	Label *Label
-	Audit Au_session
-}
-
-type Uucred struct {
-	Ref       int32
-	UID       uint32
-	Ngroups   int16
-	Pad_cgo_0 [2]byte
-	Groups    [16]uint32
-}
-
-type Upcred struct {
-	Pc_lock   [72]int8
-	Pc_ucred  *ucred
-	P_ruid    uint32
-	P_svuid   uint32
-	P_rgid    uint32
-	P_svgid   uint32
-	P_refcnt  int32
-	Pad_cgo_0 [4]byte
-}
-
-type Vmspace struct {
-	Dummy     int32
-	Pad_cgo_0 [4]byte
-	Dummy2    *int8
-	Dummy3    [5]int32
-	Pad_cgo_1 [4]byte
-	Dummy4    [3]*int8
-}
-
-type Sigacts struct{}
-
-type ExternProc struct {
-	P_un        [16]byte
-	P_vmspace   uint64
-	P_sigacts   uint64
-	Pad_cgo_0   [3]byte
-	P_flag      int32
-	P_stat      int8
-	P_pid       int32
-	P_oppid     int32
-	P_dupfd     int32
-	Pad_cgo_1   [4]byte
-	User_stack  uint64
-	Exit_thread uint64
-	P_debugger  int32
-	Sigwait     int32
-	P_estcpu    uint32
-	P_cpticks   int32
-	P_pctcpu    uint32
-	Pad_cgo_2   [4]byte
-	P_wchan     uint64
-	P_wmesg     uint64
-	P_swtime    uint32
-	P_slptime   uint32
-	P_realtimer Itimerval
-	P_rtime     Timeval
-	P_uticks    uint64
-	P_sticks    uint64
-	P_iticks    uint64
-	P_traceflag int32
-	Pad_cgo_3   [4]byte
-	P_tracep    uint64
-	P_siglist   int32
-	Pad_cgo_4   [4]byte
-	P_textvp    uint64
-	P_holdcnt   int32
-	P_sigmask   uint32
-	P_sigignore uint32
-	P_sigcatch  uint32
-	P_priority  uint8
-	P_usrpri    uint8
-	P_nice      int8
-	P_comm      [17]int8
-	Pad_cgo_5   [4]byte
-	P_pgrp      uint64
-	P_addr      uint64
-	P_xstat     uint16
-	P_acflag    uint16
-	Pad_cgo_6   [4]byte
-	P_ru        uint64
-}
-
-type Itimerval struct {
-	Interval Timeval
-	Value    Timeval
-}
-
-type Vnode struct{}
-
-type Pgrp struct{}
-
-type UserStruct struct{}
-
-type Au_session struct {
-	Aia_p *AuditinfoAddr
-	Mask  AuMask
-}
-
-type Posix_cred struct {
-	UID       uint32
-	Ruid      uint32
-	Svuid     uint32
-	Ngroups   int16
-	Pad_cgo_0 [2]byte
-	Groups    [16]uint32
-	Rgid      uint32
-	Svgid     uint32
-	Gmuid     uint32
-	Flags     int32
-}
-
-type Label struct{}
-
-type AuditinfoAddr struct {
-	Auid   uint32
-	Mask   AuMask
-	Termid AuTidAddr
-	Asid   int32
-	Flags  uint64
-}
-
-type AuMask struct {
-	Success uint32
-	Failure uint32
-}
-
-type AuTidAddr struct {
-	Port int32
-	Type uint32
-	Addr [4]uint32
-}
-
-type UcredQueue struct {
-	Next *ucred
-	Prev **ucred
-}