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diff --git a/src/ceph/src/common/SloppyCRCMap.h b/src/ceph/src/common/SloppyCRCMap.h
deleted file mode 100644
index d8d1561..0000000
--- a/src/ceph/src/common/SloppyCRCMap.h
+++ /dev/null
@@ -1,73 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
-// vim: ts=8 sw=2 smarttab
-
-#ifndef CEPH_COMMON_SLOPPYCRCMAP_H
-#define CEPH_COMMON_SLOPPYCRCMAP_H
-
-#include "include/encoding.h"
-#include "common/Formatter.h"
-
-/**
- * SloppyCRCMap
- *
- * Opportunistically track CRCs on any reads or writes that cover full
- * blocks.  Verify read results when we have CRC data available for
- * the given extent.
- */
-class SloppyCRCMap {
-  static const int crc_iv = 0xffffffff;
-
-  std::map<uint64_t, uint32_t> crc_map;  // offset -> crc(-1)
-  uint32_t block_size;
-  uint32_t zero_crc;
-
-public:
-  SloppyCRCMap(uint32_t b=0) {
-    set_block_size(b);
-  }
-
-  void set_block_size(uint32_t b) {
-    block_size = b;
-    //zero_crc = ceph_crc32c(0xffffffff, NULL, block_size);
-    if (b) {
-      bufferlist bl;
-      bl.append_zero(block_size);
-      zero_crc = bl.crc32c(crc_iv);
-    } else {
-      zero_crc = crc_iv;
-    }
-  }
-
-  /// update based on a write
-  void write(uint64_t offset, uint64_t len, const bufferlist& bl,
-	     std::ostream *out = NULL);
-
-  /// update based on a truncate
-  void truncate(uint64_t offset);
-
-  /// update based on a zero/punch_hole
-  void zero(uint64_t offset, uint64_t len);
-
-  /// update based on a zero/punch_hole
-  void clone_range(uint64_t offset, uint64_t len, uint64_t srcoff, const SloppyCRCMap& src,
-		   std::ostream *out = NULL);
-
-  /**
-   * validate a read result
-   *
-   * @param offset offset
-   * @param length length
-   * @param bl data read
-   * @param err option ostream to describe errors in detail
-   * @returns error count, 0 for success
-   */
-  int read(uint64_t offset, uint64_t len, const bufferlist& bl, std::ostream *err);
-
-  void encode(bufferlist& bl) const;
-  void decode(bufferlist::iterator& bl);
-  void dump(Formatter *f) const;
-  static void generate_test_instances(std::list<SloppyCRCMap*>& ls);
-};
-WRITE_CLASS_ENCODER(SloppyCRCMap)
-
-#endif