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diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/StreamReader.hpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/StreamReader.hpp
deleted file mode 100644
index 08a4fd36361..00000000000
--- a/Build/source/texk/dvisvgm/dvisvgm-src/src/StreamReader.hpp
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@@ -1,68 +0,0 @@
-/*************************************************************************
-** StreamReader.hpp **
-** **
-** This file is part of dvisvgm -- a fast DVI to SVG converter **
-** Copyright (C) 2005-2021 Martin Gieseking <martin.gieseking@uos.de> **
-** **
-** This program is free software; you can redistribute it and/or **
-** modify it under the terms of the GNU General Public License as **
-** published by the Free Software Foundation; either version 3 of **
-** the License, or (at your option) any later version. **
-** **
-** This program is distributed in the hope that it will be useful, but **
-** WITHOUT ANY WARRANTY; without even the implied warranty of **
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the **
-** GNU General Public License for more details. **
-** **
-** You should have received a copy of the GNU General Public License **
-** along with this program; if not, see <http://www.gnu.org/licenses/>. **
-*************************************************************************/
-
-#ifndef STREAMREADER_HPP
-#define STREAMREADER_HPP
-
-#include <istream>
-#include <string>
-#include <vector>
-#include "MessageException.hpp"
-
-class HashFunction;
-
-class StreamReader {
- public:
- explicit StreamReader (std::istream &is) : _is(&is) {}
- virtual ~StreamReader () =default;
- bool isStreamValid () const {return _is;}
- bool eof () const {return _is->eof();}
- void clearStream () {_is->clear();}
- std::istream& replaceStream (std::istream &s);
- uint32_t readUnsigned (int n);
- uint32_t readUnsigned (int n, HashFunction &hashfunc);
- int32_t readSigned (int n);
- int32_t readSigned (int n, HashFunction &hashfunc);
- std::string readString ();
- std::string readString (HashFunction &hashfunc, bool finalZero=false);
- std::string readString (int length);
- std::string readString (int length, HashFunction &hashfunc);
- std::vector<uint8_t> readBytes (int n);
- std::vector<uint8_t> readBytes (int n, HashFunction &hash);
- int readByte () {return _is->get();}
- int readByte (HashFunction &hashfunc);
- void seek (std::streampos pos, std::ios::seekdir dir) {_is->seekg(pos, dir);}
- void seek (std::streampos pos) {_is->seekg(pos);}
- std::streampos tell () const {return _is->tellg();}
- int peek () const {return _is->peek();}
-
- protected:
- std::istream& getInputStream () {return *_is;}
-
- private:
- std::istream *_is;
-};
-
-
-struct StreamReaderException : public MessageException {
- explicit StreamReaderException (const std::string &msg) : MessageException(msg) {}
-};
-
-#endif