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diff --git a/snappy/snappy-sinksource.h b/snappy/snappy-sinksource.h
deleted file mode 100644
index faabfa1e..00000000
--- a/snappy/snappy-sinksource.h
+++ /dev/null
@@ -1,137 +0,0 @@
-// Copyright 2011 Google Inc. All Rights Reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef UTIL_SNAPPY_SNAPPY_SINKSOURCE_H_
-#define UTIL_SNAPPY_SNAPPY_SINKSOURCE_H_
-
-#include <stddef.h>
-
-
-namespace snappy {
-
-// A Sink is an interface that consumes a sequence of bytes.
-class Sink {
- public:
-  Sink() { }
-  virtual ~Sink();
-
-  // Append "bytes[0,n-1]" to this.
-  virtual void Append(const char* bytes, size_t n) = 0;
-
-  // Returns a writable buffer of the specified length for appending.
-  // May return a pointer to the caller-owned scratch buffer which
-  // must have at least the indicated length.  The returned buffer is
-  // only valid until the next operation on this Sink.
-  //
-  // After writing at most "length" bytes, call Append() with the
-  // pointer returned from this function and the number of bytes
-  // written.  Many Append() implementations will avoid copying
-  // bytes if this function returned an internal buffer.
-  //
-  // If a non-scratch buffer is returned, the caller may only pass a
-  // prefix of it to Append().  That is, it is not correct to pass an
-  // interior pointer of the returned array to Append().
-  //
-  // The default implementation always returns the scratch buffer.
-  virtual char* GetAppendBuffer(size_t length, char* scratch);
-
-
- private:
-  // No copying
-  Sink(const Sink&);
-  void operator=(const Sink&);
-};
-
-// A Source is an interface that yields a sequence of bytes
-class Source {
- public:
-  Source() { }
-  virtual ~Source();
-
-  // Return the number of bytes left to read from the source
-  virtual size_t Available() const = 0;
-
-  // Peek at the next flat region of the source.  Does not reposition
-  // the source.  The returned region is empty iff Available()==0.
-  //
-  // Returns a pointer to the beginning of the region and store its
-  // length in *len.
-  //
-  // The returned region is valid until the next call to Skip() or
-  // until this object is destroyed, whichever occurs first.
-  //
-  // The returned region may be larger than Available() (for example
-  // if this ByteSource is a view on a substring of a larger source).
-  // The caller is responsible for ensuring that it only reads the
-  // Available() bytes.
-  virtual const char* Peek(size_t* len) = 0;
-
-  // Skip the next n bytes.  Invalidates any buffer returned by
-  // a previous call to Peek().
-  // REQUIRES: Available() >= n
-  virtual void Skip(size_t n) = 0;
-
- private:
-  // No copying
-  Source(const Source&);
-  void operator=(const Source&);
-};
-
-// A Source implementation that yields the contents of a flat array
-class ByteArraySource : public Source {
- public:
-  ByteArraySource(const char* p, size_t n) : ptr_(p), left_(n) { }
-  virtual ~ByteArraySource();
-  virtual size_t Available() const;
-  virtual const char* Peek(size_t* len);
-  virtual void Skip(size_t n);
- private:
-  const char* ptr_;
-  size_t left_;
-};
-
-// A Sink implementation that writes to a flat array without any bound checks.
-class UncheckedByteArraySink : public Sink {
- public:
-  explicit UncheckedByteArraySink(char* dest) : dest_(dest) { }
-  virtual ~UncheckedByteArraySink();
-  virtual void Append(const char* data, size_t n);
-  virtual char* GetAppendBuffer(size_t len, char* scratch);
-
-  // Return the current output pointer so that a caller can see how
-  // many bytes were produced.
-  // Note: this is not a Sink method.
-  char* CurrentDestination() const { return dest_; }
- private:
-  char* dest_;
-};
-
-
-}
-
-#endif  // UTIL_SNAPPY_SNAPPY_SINKSOURCE_H_