diff --git a/libc/kernel/arch-mips/asm/fpregdef.h b/libc/kernel/arch-mips/asm/fpregdef.h
deleted file mode 100644
index b6d3351..0000000
--- a/libc/kernel/arch-mips/asm/fpregdef.h
+++ /dev/null
@@ -1,110 +0,0 @@
-/****************************************************************************
- ****************************************************************************
- ***
- ***   This header was automatically generated from a Linux kernel header
- ***   of the same name, to make information necessary for userspace to
- ***   call into the kernel available to libc.  It contains only constants,
- ***   structures, and macros generated from the original header, and thus,
- ***   contains no copyrightable information.
- ***
- ***   To edit the content of this header, modify the corresponding
- ***   source file (e.g. under external/kernel-headers/original/) then
- ***   run bionic/libc/kernel/tools/update_all.py
- ***
- ***   Any manual change here will be lost the next time this script will
- ***   be run. You've been warned!
- ***
- ****************************************************************************
- ****************************************************************************/
-#ifndef _ASM_FPREGDEF_H
-#define _ASM_FPREGDEF_H
-#include <asm/sgidefs.h>
-#if _MIPS_SIM == _MIPS_SIM_ABI32
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define fv0 $f0
-#define fv0f $f1
-#define fv1 $f2
-#define fv1f $f3
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define fa0 $f12
-#define fa0f $f13
-#define fa1 $f14
-#define fa1f $f15
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define ft0 $f4
-#define ft0f $f5
-#define ft1 $f6
-#define ft1f $f7
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define ft2 $f8
-#define ft2f $f9
-#define ft3 $f10
-#define ft3f $f11
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define ft4 $f16
-#define ft4f $f17
-#define ft5 $f18
-#define ft5f $f19
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define fs0 $f20
-#define fs0f $f21
-#define fs1 $f22
-#define fs1f $f23
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define fs2 $f24
-#define fs2f $f25
-#define fs3 $f26
-#define fs3f $f27
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define fs4 $f28
-#define fs4f $f29
-#define fs5 $f30
-#define fs5f $f31
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define fcr31 $31
-#endif
-#if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32
-#define fv0 $f0
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define fv1 $f2
-#define fa0 $f12
-#define fa1 $f13
-#define fa2 $f14
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define fa3 $f15
-#define fa4 $f16
-#define fa5 $f17
-#define fa6 $f18
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define fa7 $f19
-#define ft0 $f4
-#define ft1 $f5
-#define ft2 $f6
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define ft3 $f7
-#define ft4 $f8
-#define ft5 $f9
-#define ft6 $f10
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define ft7 $f11
-#define ft8 $f20
-#define ft9 $f21
-#define ft10 $f22
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define ft11 $f23
-#define ft12 $f1
-#define ft13 $f3
-#define fs0 $f24
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define fs1 $f25
-#define fs2 $f26
-#define fs3 $f27
-#define fs4 $f28
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define fs5 $f29
-#define fs6 $f30
-#define fs7 $f31
-#define fcr31 $31
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#endif
-#endif
diff --git a/libc/kernel/arch-mips/asm/regdef.h b/libc/kernel/arch-mips/asm/regdef.h
deleted file mode 100644
index 8700325..0000000
--- a/libc/kernel/arch-mips/asm/regdef.h
+++ /dev/null
@@ -1,118 +0,0 @@
-/****************************************************************************
- ****************************************************************************
- ***
- ***   This header was automatically generated from a Linux kernel header
- ***   of the same name, to make information necessary for userspace to
- ***   call into the kernel available to libc.  It contains only constants,
- ***   structures, and macros generated from the original header, and thus,
- ***   contains no copyrightable information.
- ***
- ***   To edit the content of this header, modify the corresponding
- ***   source file (e.g. under external/kernel-headers/original/) then
- ***   run bionic/libc/kernel/tools/update_all.py
- ***
- ***   Any manual change here will be lost the next time this script will
- ***   be run. You've been warned!
- ***
- ****************************************************************************
- ****************************************************************************/
-#ifndef _ASM_REGDEF_H
-#define _ASM_REGDEF_H
-#include <asm/sgidefs.h>
-#if _MIPS_SIM == _MIPS_SIM_ABI32
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define zero $0
-#define AT $1
-#define v0 $2
-#define v1 $3
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define a0 $4
-#define a1 $5
-#define a2 $6
-#define a3 $7
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define t0 $8
-#define t1 $9
-#define t2 $10
-#define t3 $11
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define t4 $12
-#define t5 $13
-#define t6 $14
-#define t7 $15
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define s0 $16
-#define s1 $17
-#define s2 $18
-#define s3 $19
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define s4 $20
-#define s5 $21
-#define s6 $22
-#define s7 $23
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define t8 $24
-#define t9 $25
-#define jp $25
-#define k0 $26
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define k1 $27
-#define gp $28
-#define sp $29
-#define fp $30
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define s8 $30
-#define ra $31
-#endif
-#if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define zero $0
-#define AT $at
-#define v0 $2
-#define v1 $3
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define a0 $4
-#define a1 $5
-#define a2 $6
-#define a3 $7
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define a4 $8
-#define ta0 $8
-#define a5 $9
-#define ta1 $9
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define a6 $10
-#define ta2 $10
-#define a7 $11
-#define ta3 $11
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define t0 $12
-#define t1 $13
-#define t2 $14
-#define t3 $15
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define s0 $16
-#define s1 $17
-#define s2 $18
-#define s3 $19
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define s4 $20
-#define s5 $21
-#define s6 $22
-#define s7 $23
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define t8 $24
-#define t9 $25
-#define jp $25
-#define k0 $26
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define k1 $27
-#define gp $28
-#define sp $29
-#define fp $30
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define s8 $30
-#define ra $31
-#endif
-#endif
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */