diff --git a/decompress/7zip/CpuArch.c b/decompress/7zip/CpuArch.c
index 36e7680d9f..2c25218855 100755
--- a/decompress/7zip/CpuArch.c
+++ b/decompress/7zip/CpuArch.c
@@ -1,168 +1,6 @@
-/* CpuArch.c -- CPU specific code
-2010-10-26: Igor Pavlov : Public domain */
-
-#include "CpuArch.h"
-
-#ifdef MY_CPU_X86_OR_AMD64
-
-#if (defined(_MSC_VER) && !defined(MY_CPU_AMD64)) || defined(__GNUC__)
-#define USE_ASM
-#endif
-
-#if defined(USE_ASM) && !defined(MY_CPU_AMD64)
-static UInt32 CheckFlag(UInt32 flag)
-{
-  #ifdef _MSC_VER
-  __asm pushfd;
-  __asm pop EAX;
-  __asm mov EDX, EAX;
-  __asm xor EAX, flag;
-  __asm push EAX;
-  __asm popfd;
-  __asm pushfd;
-  __asm pop EAX;
-  __asm xor EAX, EDX;
-  __asm push EDX;
-  __asm popfd;
-  __asm and flag, EAX;
-  #else
-  __asm__ __volatile__ (
-    "pushf\n\t"
-    "pop  %%EAX\n\t"
-    "movl %%EAX,%%EDX\n\t"
-    "xorl %0,%%EAX\n\t"
-    "push %%EAX\n\t"
-    "popf\n\t"
-    "pushf\n\t"
-    "pop  %%EAX\n\t"
-    "xorl %%EDX,%%EAX\n\t"
-    "push %%EDX\n\t"
-    "popf\n\t"
-    "andl %%EAX, %0\n\t":
-    "=c" (flag) : "c" (flag));
-  #endif
-  return flag;
-}
-#define CHECK_CPUID_IS_SUPPORTED if (CheckFlag(1 << 18) == 0 || CheckFlag(1 << 21) == 0) return False;
-#else
-#define CHECK_CPUID_IS_SUPPORTED
-#endif
-
-static void MyCPUID(UInt32 function, UInt32 *a, UInt32 *b, UInt32 *c, UInt32 *d)
-{
-  #ifdef USE_ASM
-
-  #ifdef _MSC_VER
-
-  UInt32 a2, b2, c2, d2;
-  __asm xor EBX, EBX;
-  __asm xor ECX, ECX;
-  __asm xor EDX, EDX;
-  __asm mov EAX, function;
-  __asm cpuid;
-  __asm mov a2, EAX;
-  __asm mov b2, EBX;
-  __asm mov c2, ECX;
-  __asm mov d2, EDX;
-
-  *a = a2;
-  *b = b2;
-  *c = c2;
-  *d = d2;
-
-  #else
-
-  __asm__ __volatile__ (
-    "cpuid"
-    : "=a" (*a) ,
-      "=b" (*b) ,
-      "=c" (*c) ,
-      "=d" (*d)
-    : "0" (function)) ;
-
-  #endif
-  
-  #else
-
-  int CPUInfo[4];
-  __cpuid(CPUInfo, function);
-  *a = CPUInfo[0];
-  *b = CPUInfo[1];
-  *c = CPUInfo[2];
-  *d = CPUInfo[3];
-
-  #endif
-}
-
-Bool x86cpuid_CheckAndRead(Cx86cpuid *p)
-{
-  CHECK_CPUID_IS_SUPPORTED
-  MyCPUID(0, &p->maxFunc, &p->vendor[0], &p->vendor[2], &p->vendor[1]);
-  MyCPUID(1, &p->ver, &p->b, &p->c, &p->d);
-  return True;
-}
-
-static UInt32 kVendors[][3] =
-{
-  { 0x756E6547, 0x49656E69, 0x6C65746E},
-  { 0x68747541, 0x69746E65, 0x444D4163},
-  { 0x746E6543, 0x48727561, 0x736C7561}
-};
-
-int x86cpuid_GetFirm(const Cx86cpuid *p)
-{
-  unsigned i;
-  for (i = 0; i < sizeof(kVendors) / sizeof(kVendors[i]); i++)
-  {
-    const UInt32 *v = kVendors[i];
-    if (v[0] == p->vendor[0] &&
-        v[1] == p->vendor[1] &&
-        v[2] == p->vendor[2])
-      return (int)i;
-  }
-  return -1;
-}
-
-Bool CPU_Is_InOrder()
-{
-  Cx86cpuid p;
-  int firm;
-  UInt32 family, model;
-  if (!x86cpuid_CheckAndRead(&p))
-    return True;
-  family = x86cpuid_GetFamily(&p);
-  model = x86cpuid_GetModel(&p);
-  firm = x86cpuid_GetFirm(&p);
-  switch (firm)
-  {
-    case CPU_FIRM_INTEL: return (family < 6 || (family == 6 && model == 0x100C));
-    case CPU_FIRM_AMD: return (family < 5 || (family == 5 && (model < 6 || model == 0xA)));
-    case CPU_FIRM_VIA: return (family < 6 || (family == 6 && model < 0xF));
-  }
-  return True;
-}
-
-#if !defined(MY_CPU_AMD64) && defined(_WIN32)
-static Bool CPU_Sys_Is_SSE_Supported()
-{
-  OSVERSIONINFO vi;
-  vi.dwOSVersionInfoSize = sizeof(vi);
-  if (!GetVersionEx(&vi))
-    return False;
-  return (vi.dwMajorVersion >= 5);
-}
-#define CHECK_SYS_SSE_SUPPORT if (!CPU_Sys_Is_SSE_Supported()) return False;
-#else
-#define CHECK_SYS_SSE_SUPPORT
-#endif
-
-Bool CPU_Is_Aes_Supported()
-{
-  Cx86cpuid p;
-  CHECK_SYS_SSE_SUPPORT
-  if (!x86cpuid_CheckAndRead(&p))
-    return False;
-  return (p.c >> 25) & 1;
-}
-
-#endif
+#include "CpuArch.h"
+
+Bool CPU_Is_InOrder()
+{
+   return False;
+}
diff --git a/decompress/7zip/CpuArch.h b/decompress/7zip/CpuArch.h
index 0a709bb268..fad3646a0d 100755
--- a/decompress/7zip/CpuArch.h
+++ b/decompress/7zip/CpuArch.h
@@ -118,38 +118,9 @@ Stop_Compiling_Bad_Endian
 
 #define GetBe16(p) (((UInt16)((const Byte *)(p))[0] << 8) | ((const Byte *)(p))[1])
 
-
-#ifdef MY_CPU_X86_OR_AMD64
-
-typedef struct
-{
-  UInt32 maxFunc;
-  UInt32 vendor[3];
-  UInt32 ver;
-  UInt32 b;
-  UInt32 c;
-  UInt32 d;
-} Cx86cpuid;
-
-enum
-{
-  CPU_FIRM_INTEL,
-  CPU_FIRM_AMD,
-  CPU_FIRM_VIA
-};
-
-Bool x86cpuid_CheckAndRead(Cx86cpuid *p);
-int x86cpuid_GetFirm(const Cx86cpuid *p);
-
-#define x86cpuid_GetFamily(p) (((p)->ver >> 8) & 0xFF00F)
-#define x86cpuid_GetModel(p) (((p)->ver >> 4) & 0xF00F)
-#define x86cpuid_GetStepping(p) ((p)->ver & 0xF)
-
 Bool CPU_Is_InOrder();
 Bool CPU_Is_Aes_Supported();
 
-#endif
-
 EXTERN_C_END
 
 #endif