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diff --git a/src/ceph/src/erasure-code/isa/xor_op.h b/src/ceph/src/erasure-code/isa/xor_op.h
deleted file mode 100644
index 978b9a9..0000000
--- a/src/ceph/src/erasure-code/isa/xor_op.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2014 CERN (Switzerland)
- *                                                                                                                                                                                                           \
- * Author: Andreas-Joachim Peters <Andreas.Joachim.Peters@cern.ch>                                                                                                                                           \
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- */
-
-#ifndef EC_ISA_XOR_OP_H
-#define EC_ISA_XOR_OP_H
-
-// -----------------------------------------------------------------------------
-#include <assert.h>
-#include <stdint.h>
-// -----------------------------------------------------------------------------
-
-// -------------------------------------------------------------------------
-// declaration of 64/128-bit vector operations depending on availability
-// -------------------------------------------------------------------------
-// -------------------------------------------------------------------------
-
-#define EC_ISA_ADDRESS_ALIGNMENT 32u
-#define EC_ISA_VECTOR_SSE2_WORDSIZE 64u
-
-#if __GNUC__ > 4 || \
-  ( (__GNUC__ == 4) && (__GNUC_MINOR__ >= 4) ) ||\
-  (__clang__ == 1 )
-#ifdef EC_ISA_VECTOR_OP_DEBUG
-#pragma message "* using 128-bit vector operations in " __FILE__
-#endif
-
-// -------------------------------------------------------------------------
-// use 128-bit pointer
-// -------------------------------------------------------------------------
-typedef long vector_op_t __attribute__((vector_size(16)));
-#define EC_ISA_VECTOR_OP_WORDSIZE 16
-#else
-// -------------------------------------------------------------------------
-// use 64-bit pointer
-// -------------------------------------------------------------------------
-typedef unsigned long long vector_op_t;
-#define EC_ISA_VECTOR_OP_WORDSIZE 8
-#endif
-
-
-// -------------------------------------------------------------------------
-// check if a pointer is aligend to byte_count
-// -------------------------------------------------------------------------
-#define is_aligned(POINTER, BYTE_COUNT) \
-  (((uintptr_t)(const void *)(POINTER)) % (BYTE_COUNT) == 0)
-
-// -------------------------------------------------------------------------
-// compute byte-wise XOR of cw and dw block, ew contains the end address of cw
-// -------------------------------------------------------------------------
-void
-byte_xor(unsigned char* cw, unsigned char* dw, unsigned char* ew);
-
-// -------------------------------------------------------------------------
-// compute word-wise XOR of cw and dw block, ew contains the end address of cw
-// -------------------------------------------------------------------------
-void
-vector_xor(vector_op_t* cw, vector_op_t* dw, vector_op_t* ew);
-
-// -------------------------------------------------------------------------
-// compute region XOR like parity = src[0] ^ src[1] ... ^ src[src_size-]
-// -------------------------------------------------------------------------
-void
-region_xor(unsigned char** src, unsigned char* parity, int src_size, unsigned size);
-
-// -------------------------------------------------------------------------
-// compute region XOR like parity = src[0] ^ src[1] ... ^ src[src_size-]
-// using SSE2 64-byte operations
-// -------------------------------------------------------------------------
-void
-region_sse2_xor(char** src /* array of 64-byte aligned source pointer to xor */,
-                char* parity /* 64-byte aligned output pointer containing the parity */,
-                int src_size /* size of the source pointer array */,
-                unsigned size /* size of the region to xor */);
-
-
-#endif // EC_ISA_XOR_OP_H