diff --git a/source/texk/web2c/mplibdir/mpmathbinary.h b/source/texk/web2c/mplibdir/mpmathbinary.h
deleted file mode 100644
index 3b74a2645ec3d1fa8040e2c61ab3d339d347801e..0000000000000000000000000000000000000000
--- a/source/texk/web2c/mplibdir/mpmathbinary.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*3:*/
-#line 35 "mpmathinterval_new.w"
-
-#ifndef MPMATHBINARY_H
-#define MPMATHBINARY_H 1
-#include "mplib.h"
-#include "mpmp.h"
-#include <gmp.h>
-#include <mpfr.h>
-
-#ifdef HAVE_CONFIG_H
-#define MP_STR_HELPER(x) #x
-#define MP_STR(x) MP_STR_HELPER(x)
-const char*const COMPILED_gmp_version= MP_STR(__GNU_MP_VERSION)"."MP_STR(__GNU_MP_VERSION_MINOR)"."MP_STR(__GNU_MP_VERSION_PATCHLEVEL);
-#else
-const char*const COMPILED_gmp_version= "unknown";
-#endif
-
-const char*COMPILED_MPFR_VERSION_STRING= MPFR_VERSION_STRING;
-int COMPILED__GNU_MP_VERSION= __GNU_MP_VERSION;
-int COMPILED__GNU_MP_VERSION_MINOR= __GNU_MP_VERSION_MINOR;
-int COMPILED__GNU_MP_VERSION_PATCHLEVEL= __GNU_MP_VERSION_PATCHLEVEL;
-
-/*8:*/
-#line 198 "mpmathinterval_new.w"
-
-void*mp_initialize_binary_math(MP mp);
-
-/*:8*/
-#line 56 "mpmathinterval_new.w"
-;
-#endif
-
-/*:3*/
diff --git a/source/texk/web2c/synctexdir/am/synctex.am.std.1 b/source/texk/web2c/synctexdir/am/synctex.am.std.1
deleted file mode 100644
index fa223285ef853436c1c1f6df0de45279ec759f4d..0000000000000000000000000000000000000000
--- a/source/texk/web2c/synctexdir/am/synctex.am.std.1
+++ /dev/null
@@ -1,292 +0,0 @@
-## texk/web2c/synctexdir/am/synctex.am: Makefile fragment for SyncTeX.
-##
-## Copyright (C) 2009-2015 Peter Breitenlohner <tex-live@tug.org>
-## You may freely use, modify and/or distribute this file.
-
-## The SyncTeX tool
-
-if SYNCTEX
-bin_PROGRAMS += synctex
-lib_LTLIBRARIES += $(LTLIBSYNCTEX)
-lib_LIBRARIES += $(LIBSYNCTEX)
-endif SYNCTEX
-EXTRA_PROGRAMS += synctex
-EXTRA_LTLIBRARIES += libsynctex.la
-EXTRA_LIBRARIES += libsynctex.a
-
-synctex_SOURCES = \
- synctexdir/synctex_main.c
-
-synctex_CPPFLAGS = -I$(srcdir)/synctexdir
-if MINGW32
-synctex_CPPFLAGS += $(KPATHSEA_INCLUDES)
-endif MINGW32
-
-
-synctex_LDADD = $(libsynctex) $(ZLIB_LIBS)
-if MINGW32
-synctex_LDADD += -lshlwapi $(KPATHSEA_LIBS)
-endif MINGW32
-
-$(synctex_OBJECTS): $(libsynctex)
-
-## The (shared or nonshared) SyncTeX parser library
-libsynctex = $(LTLIBSYNCTEX) $(LIBSYNCTEX)
-
-libsynctex_la_CPPFLAGS = -I$(srcdir)/synctexdir $(ZLIB_INCLUDES) -DSYNCTEX_USE_LOCAL_HEADER
-libsynctex_a_CPPFLAGS = $(libsynctex_la_CPPFLAGS)
-
-libsynctex_la_LDFLAGS = -rpath @libdir@ -bindir @bindir@ -no-undefined -version-info $(SYNCTEX_LT_VERSINFO)
-
-libsynctex_la_LIBADD = $(ZLIB_LIBS)
-if MINGW32
-libsynctex_la_LIBADD += -lshlwapi
-endif MINGW32
-
-libsynctex_la_SOURCES = \
- synctexdir/synctex_parser.c \
- synctexdir/synctex_parser_local.h \
- synctexdir/synctex_parser_utils.c
-nodist_libsynctex_a_SOURCES = $(libsynctex_la_SOURCES)
-
-$(libsynctex_la_OBJECTS): $(ZLIB_DEPEND)
-$(libsynctex_a_OBJECTS): $(ZLIB_DEPEND)
-
-syncincludedir = ${includedir}/synctex
-
-pkgconfigdir = ${libdir}/pkgconfig
-
-if SYNCTEX
-syncinclude_HEADERS = \
- synctexdir/synctex_parser.h \
- synctexdir/synctex_version.h \
- synctexdir/synctex_parser_utils.h
-
-pkgconfig_DATA = synctexdir/synctex.pc
-endif SYNCTEX
-
-dist_man_MANS += synctexdir/man1/synctex.1 synctexdir/man5/synctex.5
-
-EXTRA_DIST += \
- synctexdir/synctex_parser_c-auto.h \
- synctexdir/ChangeLog \
- synctexdir/README.txt \
- synctexdir/synctex_parser_readme.txt \
- synctexdir/synctex_parser_version.txt \
- synctexdir/tests
-
-## SyncTeX infrastructure: common for all engines
-
-EXTRA_DIST += \
- synctexdir/synctex-common.h \
- synctexdir/synctex.c \
- synctexdir/synctex.defines \
- synctexdir/synctex.h
-
-## SyncTeX infrastructure: TeX
-
-if TEX_SYNCTEX
-
-tex_CPPFLAGS += -I$(srcdir)/synctexdir $(ZLIB_INCLUDES)
-
-tex_LDADD += $(ZLIB_LIBS)
-tex_prereq += $(ZLIB_DEPEND)
-
-tex_ch_synctex = \
- synctexdir/synctex-def.ch0 \
- synctexdir/synctex-mem.ch0 \
- synctexdir/synctex-mem.ch2 \
- synctexdir/synctex-rec.ch0 \
- synctexdir/synctex-rec.ch1 \
- synctexdir/synctex-rec.ch2
-
-dist_tex_SOURCES += \
- synctexdir/synctex.c \
- synctexdir/synctex.h \
- synctexdir/synctex-common.h \
- synctexdir/synctex-tex.h
-
-tex_CPPFLAGS += -D__SyncTeX__ -DSYNCTEX_ENGINE_H=\"synctex-tex.h\"
-
-endif TEX_SYNCTEX
-
-EXTRA_DIST += \
- synctexdir/synctex-def.ch0 \
- synctexdir/synctex-mem.ch0 \
- synctexdir/synctex-mem.ch2 \
- synctexdir/synctex-rec.ch0 \
- synctexdir/synctex-rec.ch1 \
- synctexdir/synctex-rec.ch2
-
-## SyncTeX infrastructure: e-TeX
-
-if ETEX_SYNCTEX
-
-etex_CPPFLAGS += -I$(srcdir)/synctexdir $(ZLIB_INCLUDES)
-
-etex_LDADD += $(ZLIB_LIBS)
-etex_prereq += $(ZLIB_DEPEND)
-
-etex_ch_synctex = \
- synctexdir/synctex-def.ch0 \
- synctexdir/synctex-mem.ch0 \
- synctexdir/synctex-e-mem.ch0 \
- synctexdir/synctex-e-mem.ch1 \
- synctexdir/synctex-rec.ch0 \
- synctexdir/synctex-rec.ch1 \
- synctexdir/synctex-e-rec.ch0
-
-dist_etex_SOURCES += \
- synctexdir/synctex.c \
- synctexdir/synctex.h \
- synctexdir/synctex-common.h \
- synctexdir/synctex-etex.h
-
-etex_CPPFLAGS += -D__SyncTeX__ -DSYNCTEX_ENGINE_H=\"synctex-etex.h\"
-
-endif ETEX_SYNCTEX
-
-EXTRA_DIST += \
- synctexdir/synctex-e-mem.ch0 \
- synctexdir/synctex-e-mem.ch1 \
- synctexdir/synctex-e-rec.ch0
-
-## SyncTeX infrastructure: e-pTeX
-
-if EPTEX_SYNCTEX
-
-eptex_CPPFLAGS += -I$(srcdir)/synctexdir $(ZLIB_INCLUDES)
-
-eptex_LDADD += $(ZLIB_LIBS)
-eptex_prereq += $(ZLIB_DEPEND)
-
-eptex_ch_synctex = \
- synctexdir/synctex-def.ch0 \
- synctexdir/synctex-ep-mem.ch0 \
- synctexdir/synctex-mem.ch0 \
- synctexdir/synctex-e-mem.ch0 \
- synctexdir/synctex-ep-mem.ch1 \
- synctexdir/synctex-p-rec.ch0 \
- synctexdir/synctex-rec.ch0 \
- synctexdir/synctex-rec.ch1 \
- synctexdir/synctex-ep-rec.ch0 \
- synctexdir/synctex-e-rec.ch0 \
- synctexdir/synctex-p-rec.ch1
-
-dist_eptex_SOURCES += \
- synctexdir/synctex.c \
- synctexdir/synctex.h \
- synctexdir/synctex-common.h \
- synctexdir/synctex-eptex.h
-
-eptex_CPPFLAGS += -D__SyncTeX__ -DSYNCTEX_ENGINE_H=\"synctex-eptex.h\"
-
-endif EPTEX_SYNCTEX
-
-EXTRA_DIST += \
- synctexdir/synctex-ep-mem.ch0 \
- synctexdir/synctex-ep-mem.ch1 \
- synctexdir/synctex-ep-rec.ch0
-
-## SyncTeX infrastructure: e-upTeX
-
-if EUPTEX_SYNCTEX
-
-euptex_CPPFLAGS += -I$(srcdir)/synctexdir $(ZLIB_INCLUDES)
-
-euptex_LDADD += $(ZLIB_LIBS)
-euptex_prereq += $(ZLIB_DEPEND)
-
-euptex_ch_synctex = \
- synctexdir/synctex-def.ch0 \
- synctexdir/synctex-ep-mem.ch0 \
- synctexdir/synctex-mem.ch0 \
- synctexdir/synctex-e-mem.ch0 \
- synctexdir/synctex-ep-mem.ch1 \
- synctexdir/synctex-p-rec.ch0 \
- synctexdir/synctex-rec.ch0 \
- synctexdir/synctex-rec.ch1 \
- synctexdir/synctex-ep-rec.ch0 \
- synctexdir/synctex-e-rec.ch0 \
- synctexdir/synctex-p-rec.ch1
-
-dist_euptex_SOURCES += \
- synctexdir/synctex.c \
- synctexdir/synctex.h \
- synctexdir/synctex-common.h \
- synctexdir/synctex-euptex.h
-
-euptex_CPPFLAGS += -D__SyncTeX__ -DSYNCTEX_ENGINE_H=\"synctex-euptex.h\"
-
-endif EUPTEX_SYNCTEX
-
-## SyncTeX infrastructure: pdfTeX
-
-if PDFTEX_SYNCTEX
-
-pdftex_CPPFLAGS += -I$(srcdir)/synctexdir
-
-pdftex_ch_synctex = \
- synctexdir/synctex-def.ch0 \
- synctexdir/synctex-mem.ch0 \
- synctexdir/synctex-e-mem.ch0 \
- synctexdir/synctex-e-mem.ch1 \
- synctexdir/synctex-rec.ch0 \
- synctexdir/synctex-rec.ch1 \
- synctexdir/synctex-e-rec.ch0 \
- synctexdir/synctex-pdf-rec.ch2
-
-dist_pdftex_SOURCES += \
- synctexdir/synctex.c \
- synctexdir/synctex.h \
- synctexdir/synctex-common.h \
- synctexdir/synctex-pdftex.h
-
-pdftex_CPPFLAGS += -D__SyncTeX__ -DSYNCTEX_ENGINE_H=\"synctex-pdftex.h\"
-
-endif PDFTEX_SYNCTEX
-
-EXTRA_DIST += \
- synctexdir/synctex-pdf-rec.ch2
-
-## SyncTeX infrastructure: XeTeX
-
-if XETEX_SYNCTEX
-
-xetex_CPPFLAGS += -I$(srcdir)/synctexdir
-
-xetex_ch_synctex = \
- synctexdir/synctex-xe-def.ch0 \
- synctexdir/synctex-mem.ch0 \
- synctexdir/synctex-e-mem.ch0 \
- synctexdir/synctex-e-mem.ch1 \
- synctexdir/synctex-rec.ch0 \
- synctexdir/synctex-e-rec.ch0
-
-xetex_post_ch_synctex = \
- synctexdir/synctex-xe-rec.ch3
-
-dist_xetex_SOURCES += \
- synctexdir/synctex.c \
- synctexdir/synctex.h \
- synctexdir/synctex-common.h \
- synctexdir/synctex-xetex.h
-
-xetex_CPPFLAGS += -D__SyncTeX__ -DSYNCTEX_ENGINE_H=\"synctex-xetex.h\"
-
-endif XETEX_SYNCTEX
-
-EXTRA_DIST += \
- synctexdir/synctex-xe-rec.ch3
-
-# SyncTeX Tests
-#
-synctex_tests = synctexdir/synctex.test
-synctexdir/synctex.log: synctex$(EXEEXT)
-
-EXTRA_DIST += $(synctex_tests)
-
-if SYNCTEX
-TESTS += $(synctex_tests)
-endif SYNCTEX
-