diff --git a/deps/7zip/7zCrc.c b/deps/7zip/7zCrc.c
index 4f081fbe77..6e2f47c90b 100644
--- a/deps/7zip/7zCrc.c
+++ b/deps/7zip/7zCrc.c
@@ -7,10 +7,10 @@
 
 #define kCrcPoly 0xEDB88320
 
-#ifdef MY_CPU_LE
-#define CRC_NUM_TABLES 8
-#else
+#ifdef MSB_FIRST
 #define CRC_NUM_TABLES 1
+#else
+#define CRC_NUM_TABLES 8
 #endif
 
 typedef uint32_t (MY_FAST_CALL *CRC_FUNC)(uint32_t v, const void *data, size_t size, const uint32_t *table);
diff --git a/deps/7zip/7zCrcOpt.c b/deps/7zip/7zCrcOpt.c
index ba7699e54b..d2f18b372b 100644
--- a/deps/7zip/7zCrcOpt.c
+++ b/deps/7zip/7zCrcOpt.c
@@ -4,7 +4,7 @@
 #include <stdint.h>
 #include "CpuArch.h"
 
-#ifdef MY_CPU_LE
+#ifndef MSB_FIRST
 
 #define CRC_UPDATE_BYTE_2(crc, b) (table[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))
 
diff --git a/deps/7zip/CpuArch.h b/deps/7zip/CpuArch.h
index 97dc50d1d7..b820e0ae02 100644
--- a/deps/7zip/CpuArch.h
+++ b/deps/7zip/CpuArch.h
@@ -11,9 +11,6 @@ extern "C" {
 #endif
 
 /*
-MY_CPU_LE means that CPU is LITTLE ENDIAN.
-If MY_CPU_LE is not defined, we don't know about that property of platform (it can be LITTLE ENDIAN).
-
 MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned memory accesses.
 If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of platform.
 */
@@ -50,18 +47,6 @@ If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of pla
 #define MY_CPU_LE_UNALIGN
 #endif
 
-#if defined(MY_CPU_X86_OR_AMD64) || defined(MY_CPU_ARM_LE)  || defined(MY_CPU_IA64_LE) || defined(__ARMEL__) || defined(__MIPSEL__) || defined(__LITTLE_ENDIAN__)
-#define MY_CPU_LE
-#endif
-
-#if defined(__BIG_ENDIAN__)
-#define MY_CPU_BE
-#endif
-
-#if defined(MY_CPU_LE) && defined(MY_CPU_BE)
-Stop_Compiling_Bad_Endian
-#endif
-
 #ifdef MY_CPU_LE_UNALIGN
 
 #define GetUi16(p) (*(const uint16_t *)(p))