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diff --git a/src/libs/7zip/unix/C/LzmaUtil/Lzma86Enc.h b/src/libs/7zip/unix/C/LzmaUtil/Lzma86Enc.h
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index 355bf343c..000000000
--- a/src/libs/7zip/unix/C/LzmaUtil/Lzma86Enc.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/* Lzma86Enc.h -- LZMA + x86 (BCJ) Filter Encoder
-2009-02-07 : Igor Pavlov : Public domain */
-
-#ifndef __LZMA86_ENC_H
-#define __LZMA86_ENC_H
-
-#include "../Types.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
-It's an example for LZMA + x86 Filter use.
-You can use .lzma86 extension, if you write that stream to file.
-.lzma86 header adds one additional byte to standard .lzma header.
-.lzma86 header (14 bytes):
- Offset Size Description
- 0 1 = 0 - no filter,
- = 1 - x86 filter
- 1 1 lc, lp and pb in encoded form
- 2 4 dictSize (little endian)
- 6 8 uncompressed size (little endian)
-
-
-Lzma86_Encode
--------------
-level - compression level: 0 <= level <= 9, the default value for "level" is 5.
-
-
-dictSize - The dictionary size in bytes. The maximum value is
- 128 MB = (1 << 27) bytes for 32-bit version
- 1 GB = (1 << 30) bytes for 64-bit version
- The default value is 16 MB = (1 << 24) bytes, for level = 5.
- It's recommended to use the dictionary that is larger than 4 KB and
- that can be calculated as (1 << N) or (3 << N) sizes.
- For better compression ratio dictSize must be >= inSize.
-
-filterMode:
- SZ_FILTER_NO - no Filter
- SZ_FILTER_YES - x86 Filter
- SZ_FILTER_AUTO - it tries both alternatives to select best.
- Encoder will use 2 or 3 passes:
- 2 passes when FILTER_NO provides better compression.
- 3 passes when FILTER_YES provides better compression.
-
-Lzma86Encode allocates Data with MyAlloc functions.
-RAM Requirements for compressing:
- RamSize = dictionarySize * 11.5 + 6MB + FilterBlockSize
- filterMode FilterBlockSize
- SZ_FILTER_NO 0
- SZ_FILTER_YES inSize
- SZ_FILTER_AUTO inSize
-
-
-Return code:
- SZ_OK - OK
- SZ_ERROR_MEM - Memory allocation error
- SZ_ERROR_PARAM - Incorrect paramater
- SZ_ERROR_OUTPUT_EOF - output buffer overflow
- SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version)
-*/
-
-enum ESzFilterMode
-{
- SZ_FILTER_NO,
- SZ_FILTER_YES,
- SZ_FILTER_AUTO
-};
-
-SRes Lzma86_Encode(Byte *dest, size_t *destLen, const Byte *src, size_t srcLen,
- int level, UInt32 dictSize, int filterMode);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif