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diff --git a/clang-tools-extra/clang-modernize/Core/FileOverrides.h b/clang-tools-extra/clang-modernize/Core/FileOverrides.h
deleted file mode 100644
index f1c43e34215..00000000000
--- a/clang-tools-extra/clang-modernize/Core/FileOverrides.h
+++ /dev/null
@@ -1,129 +0,0 @@
-//===-- Core/FileOverrides.h ------------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-///
-/// \file
-/// \brief This file provides types and functionality for dealing with source
-/// and header file content overrides.
-///
-//===----------------------------------------------------------------------===//
-
-#ifndef CLANG_MODERNIZE_FILE_OVERRIDES_H
-#define CLANG_MODERNIZE_FILE_OVERRIDES_H
-
-#include "Core/Refactoring.h"
-#include "clang-apply-replacements/Tooling/ApplyReplacements.h"
-#include "clang/Tooling/ReplacementsYaml.h"
-#include "llvm/ADT/StringMap.h"
-
-// Forward Declarations
-namespace llvm {
-template <typename T>
-class SmallVectorImpl;
-} // namespace llvm
-namespace clang {
-class SourceManager;
-class Rewriter;
-} // namespace clang
-
-/// \brief Class encapsulating a list of \c tooling::Range with some
-/// convenience methods.
-///
-/// The ranges stored are used to keep track of the overriden parts of a file.
-class ChangedRanges {
-  typedef std::vector<clang::tooling::Range> RangeVec;
-
-public:
-  typedef RangeVec::const_iterator const_iterator;
-
-  /// \brief Create new ranges from the replacements and adjust existing one
-  /// to remove replaced parts.
-  ///
-  /// Note that all replacements should come from the same file.
-  void adjustChangedRanges(const clang::tooling::ReplacementsVec &Replaces);
-
-  /// \brief Iterators.
-  /// \{
-  const_iterator begin() const { return Ranges.begin(); }
-  const_iterator end() const { return Ranges.end(); }
-  /// \}
-
-private:
-  void coalesceRanges();
-
-  RangeVec Ranges;
-};
-
-/// \brief Maintains current state of transformed files and tracks source ranges
-/// where changes have been made.
-class FileOverrides {
-public:
-  /// \brief Maps file names to file contents.
-  typedef llvm::StringMap<std::string> FileStateMap;
-
-  /// \brief Maps file names to change tracking info for a file.
-  typedef llvm::StringMap<ChangedRanges> ChangeMap;
-
-
-  /// \brief Override file contents seen by \c SM for all files stored by this
-  /// object.
-  void applyOverrides(clang::SourceManager &SM) const;
-
-  /// \brief Update change tracking information based on replacements stored in
-  /// \c Replaces.
-  void
-  adjustChangedRanges(const clang::replace::FileToReplacementsMap &Replaces);
-
-  /// \brief Accessor for change tracking information.
-  const ChangeMap &getChangedRanges() const {
-    return ChangeTracking;
-  }
-
-  /// \brief Coalesce changes stored in \c Rewrites and replace file contents 
-  /// overrides stored in this object.
-  ///
-  /// \param Rewrites Rewriter containing changes to files.
-  void updateState(const clang::Rewriter &Rewrites);
-
-  /// \brief Accessor for current file state.
-  const FileStateMap &getState() const { return FileStates; }
-
-  /// \brief Write all file contents overrides to disk.
-  ///
-  /// \param Diagnostics DiagnosticsEngine for error output.
-  ///
-  /// \returns \li true if all files with overridden file contents were written
-  ///              to disk successfully.
-  ///          \li false if any failure occurred.
-  bool writeToDisk(clang::DiagnosticsEngine &Diagnostics) const;
-
-private:
-  FileStateMap FileStates;
-  ChangeMap ChangeTracking;
-};
-
-/// \brief Generate a unique filename to store the replacements.
-///
-/// Generates a unique filename in the same directory as \c MainSourceFile. The
-/// filename is generated following this pattern:
-///
-/// MainSourceFile_%%_%%_%%_%%_%%_%%.yaml
-///
-/// where all '%' will be replaced by a randomly chosen hex number.
-///
-/// \param[in] MainSourceFile Full path to the source file.
-/// \param[out] Result The resulting unique filename in the same directory as
-///             the \c MainSourceFile.
-/// \param[out] Error If an error occurs a description of that error is
-///             placed in this string.
-/// \returns true on success, false if a unique file name could not be created.
-bool generateReplacementsFileName(const llvm::StringRef MainSourceFile,
-                                  llvm::SmallVectorImpl<char> &Result,
-                                  llvm::SmallVectorImpl<char> &Error);
-
-#endif // CLANG_MODERNIZE_FILE_OVERRIDES_H