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diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/Bitmap.hpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/Bitmap.hpp
deleted file mode 100644
index f0bba3b41ea..00000000000
--- a/Build/source/texk/dvisvgm/dvisvgm-src/src/Bitmap.hpp
+++ /dev/null
@@ -1,109 +0,0 @@
-/*************************************************************************
-** Bitmap.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 BITMAP_HPP
-#define BITMAP_HPP
-
-#include <ostream>
-#include <vector>
-
-
-class Bitmap {
- public:
- struct Callback {
- virtual ~Callback() =default;
- virtual void pixel (int x, int y, bool set, Bitmap &bm) {}
- virtual void pixel (int x, int y, bool set, const Bitmap &bm) {}
- virtual void finish () {}
- };
-
- public:
- Bitmap () =default;
- Bitmap (int minx, int maxx, int miny , int maxy);
- void resize (int minx, int maxx, int miny , int maxy);
- void setBits(int row, int col, int n);
- const uint8_t* rowPtr (int row) const {return &_bytes[row*_bpr];}
- int height () const {return _rows;}
- int width () const {return _cols;}
- int xshift () const {return _xshift;}
- int yshift () const {return _yshift;}
- int bytesPerRow () const {return _bpr;}
- bool empty () const {return (!_rows && !_cols) || _bytes.empty();}
- bool getBBox (int &minx, int &miny, int &maxx, int &maxy) const;
- void getExtent (int &w, int &h) const;
- void forAllPixels (Callback &callback) const;
-
- template <typename T>
- int copy (std::vector<T> &target, bool vflip=false) const;
-
-// template <typename T>
-// void write (std::ostream &os, const std::vector<T> &v) const;
-
-// std::ostream& write (std::ostream &os) const;
-
- private:
- int _rows=0, _cols=0; ///< number of rows, columns
- int _xshift=0, _yshift=0; ///< horizontal/vertical shift
- int _bpr=0; ///< number of bytes per row
- std::vector<uint8_t> _bytes;
-};
-
-
-/** Copies the bitmap to a new target area and reorganizes the bits.
- * @tparam T component type of target vector
- * @param[out] target points to first T of new bitmap (must be deleted after usage)
- * @param[in] vflip true if the new bitmap should be flipped vertically
- * @return number of Ts per row */
-template <typename T>
-int Bitmap::copy (std::vector<T> &target, bool vflip) const {
- const int s = sizeof(T);
- const int tpr = _bpr/s + (_bpr%s ? 1 : 0); // number of Ts per row
- target.resize(_rows*tpr);
- for (int r=0; r < _rows; r++) {
- int targetrow = vflip ? _rows-r-1 : r;
- for (int b=0; b < _bpr; b++) {
- T &t = target[targetrow*tpr + b/s];
- T chunk = static_cast<T>(_bytes[r*_bpr+b]) << (8*(s-1-b%s));
- if (b % s == 0)
- t = chunk;
- else
- t |= chunk;
- }
- }
- return tpr;
-}
-
-
-/*
-template <typename T>
-void Bitmap::write (std::ostream &os, const std::vector<T> &v) const {
- const int s = sizeof(T);
- const int tpr = _bpr/s + (_bpr%s ? 1 : 0); // number of Ts per row
- for (int r=_rows-1; r >= 0; r--) {
- for (int t=0; t < tpr; t++) {
- for (T b=(T)1<<(8*s-1); b; b>>=1)
- os << ((v[r*tpr+t] & b) ? '*' : '-');
- os << ' ';
- }
- os << std::endl;
- }
-}*/
-
-#endif