diff --git a/deps/7zip/CpuArch.h b/deps/7zip/CpuArch.h
index b820e0ae02..d0b56d7451 100644
--- a/deps/7zip/CpuArch.h
+++ b/deps/7zip/CpuArch.h
@@ -52,12 +52,7 @@ If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of pla
 #define GetUi16(p) (*(const uint16_t *)(p))
 #define GetUi32(p) (*(const uint32_t *)(p))
 #define GetUi64(p) (*(const uint64_t *)(p))
-#define SetUi16(p, d) *(uint16_t *)(p) = (d);
-#define SetUi32(p, d) *(uint32_t *)(p) = (d);
-#define SetUi64(p, d) *(uint64_t *)(p) = (d);
-
 #else
-
 #define GetUi16(p) (((const uint8_t *)(p))[0] | ((uint16_t)((const uint8_t *)(p))[1] << 8))
 
 #define GetUi32(p) ( \
@@ -67,44 +62,8 @@ If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of pla
     ((uint32_t)((const uint8_t *)(p))[3] << 24))
 
 #define GetUi64(p) (GetUi32(p) | ((uint64_t)GetUi32(((const uint8_t *)(p)) + 4) << 32))
-
-#define SetUi16(p, d) { uint32_t _x_ = (d); \
-    ((uint8_t *)(p))[0] = (uint8_t)_x_; \
-    ((uint8_t *)(p))[1] = (uint8_t)(_x_ >> 8); }
-
-#define SetUi32(p, d) { uint32_t _x_ = (d); \
-    ((uint8_t *)(p))[0] = (uint8_t)_x_; \
-    ((uint8_t *)(p))[1] = (uint8_t)(_x_ >> 8); \
-    ((uint8_t *)(p))[2] = (uint8_t)(_x_ >> 16); \
-    ((uint8_t *)(p))[3] = (uint8_t)(_x_ >> 24); }
-
-#define SetUi64(p, d) { uint64_t _x64_ = (d); \
-    SetUi32(p, (uint32_t)_x64_); \
-    SetUi32(((uint8_t *)(p)) + 4, (uint32_t)(_x64_ >> 32)); }
-
 #endif
 
-#if defined(MY_CPU_LE_UNALIGN) && defined(_WIN64) && (_MSC_VER >= 1300)
-
-#pragma intrinsic(_byteswap_ulong)
-#pragma intrinsic(_byteswap_uint64)
-#define GetBe32(p) _byteswap_ulong(*(const uint32_t *)(const uint8_t *)(p))
-#define GetBe64(p) _byteswap_uint64(*(const uint64_t *)(const uint8_t *)(p))
-
-#else
-
-#define GetBe32(p) ( \
-    ((uint32_t)((const uint8_t *)(p))[0] << 24) | \
-    ((uint32_t)((const uint8_t *)(p))[1] << 16) | \
-    ((uint32_t)((const uint8_t *)(p))[2] <<  8) | \
-             ((const uint8_t *)(p))[3] )
-
-#define GetBe64(p) (((uint64_t)GetBe32(p) << 32) | GetBe32(((const uint8_t *)(p)) + 4))
-
-#endif
-
-#define GetBe16(p) (((uint16_t)((const uint8_t *)(p))[0] << 8) | ((const uint8_t *)(p))[1])
-
 #ifdef __cplusplus
 }
 #endif