deleted file mode 100644
--- a/build/win32/mozconfig.vs2010-win64
+++ /dev/null
@@ -1,31 +0,0 @@
-
-if [ -d "/c/PROGRA~2/MICROS~2.0" ]; then
-  # /c/Program Files (x86)/Microsoft Visual Studio 10.0
-  _VSPATH="/c/PROGRA~2/MICROS~2.0"
-else
-  _VSPATH="/c/tools/msvs10"
-fi
-
-## SDK redist ##
-export WIN32_REDIST_DIR=${_VSPATH}/VC/redist/x86/Microsoft.VC100.CRT
-
-## includes: win8 sdk includes, msvc 10 std library, directx sdk for d3d9 ##
-export INCLUDE=/c/Program\ Files\ \(x86\)/Windows\ Kits/8.0/include/shared:/c/Program\ Files\ \(x86\)/Windows\ Kits/8.0/include/um:${_VSPATH}/vc/include:${_VSPATH}/vc/atlmfc/include:/c/tools/sdks/dx10/include
-
-## libs: win8 sdk x86 (32-bit) libs, msvc 10 (32-bit) std library, msvc 10 atl libs, directx sdk (32-bit) for d3d9  ##
-export LIBPATH=/c/Program\ Files\ \(x86\)/Windows\ Kits/8.0/Lib/win8/um/x86:${_VSPATH}/vc/lib:${_VSPATH}/vc/atlmfc/lib:/c/tools/sdks/dx10/lib
-export LIB=/c/Program\ Files\ \(x86\)/Windows\ Kits/8.0/Lib/win8/um/x86:${_VSPATH}/vc/lib:${_VSPATH}/vc/atlmfc/lib:/c/tools/sdks/dx10/lib
-
-## paths: win8 sdk x86 (32-bit) tools, msvc 10 (32-bit) build toolchain, moz tools  ##
-export PATH="/c/Program Files (x86)/Windows Kits/8.0/bin/x86:${_VSPATH}/Common7/IDE:${_VSPATH}/VC/BIN:${_VSPATH}/Common7/Tools:${_VSPATH}/VC/VCPackages:/c/mozilla-build/moztools:${PATH}"
-
-## WindowsSDKDir ##
-export WINDOWSSDKDIR="/c/Program Files (x86)/Windows Kits/8.0/"
-
-. $topsrcdir/build/mozconfig.vs-common
-
-mk_export_correct_style LIB
-mk_export_correct_style LIBPATH
-mk_export_correct_style PATH
-mk_export_correct_style INCLUDE
-mk_export_correct_style WIN32_REDIST_DIR

deleted file mode 100644
--- a/build/win64/mozconfig.vs2010
+++ /dev/null
@@ -1,40 +0,0 @@
-
-if [ -d "/c/PROGRA~2/MICROS~2.0" ]; then
-  # /c/Program Files (x86)/Microsoft Visual Studio 10.0
-  _VSPATH="/c/PROGRA~2/MICROS~2.0"
-else
-  _VSPATH="/c/tools/msvs10"
-fi
-
-## SDK redist ##
-export WIN32_REDIST_DIR=${_VSPATH}/VC/redist/x64/Microsoft.VC100.CRT
-
-## includes: win8 sdk includes, msvc 10 std library, directx sdk for d3d9 ##
-export INCLUDE=/c/Program\ Files\ \(x86\)/Windows\ Kits/8.0/include/shared:/c/Program\ Files\ \(x86\)/Windows\ Kits/8.0/include/um:${_VSPATH}/vc/include:${_VSPATH}/vc/atlmfc/include:/c/tools/sdks/dx10/include
-
-## libs: win8 sdk x64 (64-bit) libs, msvc 10 (64-bit) std library, msvc 10 atl libs, directx sdk (64-bit) for d3d9  ##
-export LIBPATH=/c/Program\ Files\ \(x86\)/Windows\ Kits/8.0/Lib/win8/um/x64:${_VSPATH}/vc/lib/amd64:${_VSPATH}/vc/atlmfc/lib/amd64:/c/tools/sdks/dx10/lib/x64
-export LIB=/c/Program\ Files\ \(x86\)/Windows\ Kits/8.0/Lib/win8/um/x64:${_VSPATH}/vc/lib/amd64:${_VSPATH}/vc/atlmfc/lib/amd64:/c/tools/sdks/dx10/lib/x64
-
-## paths: win8 sdk x64 (64-bit) tools, msvc 10 (64-bit) build toolchain, moz tools  ##
-export PATH="/c/Program Files (x86)/Windows Kits/8.0/bin/x64:${_VSPATH}/Common7/IDE:${_VSPATH}/VC/BIN/amd64:${_VSPATH}/VC/BIN/x86_amd64:${_VSPATH}/VC/BIN:${_VSPATH}/Common7/Tools:${_VSPATH}/VC/VCPackages:${PATH}"
-
-## WindowsSDKDir ##
-export WINDOWSSDKDIR="/c/Program Files (x86)/Windows Kits/8.0/"
-
-# Use 32bit linker for PGO crash bug.
-# https://connect.microsoft.com/VisualStudio/feedback/details/686117/
-if [ -f /c/PROGRA~2/MICROS~2.0/VC/BIN/x86_amd64/link.exe ]; then
-  # /c/Program Files (x86)/Microsoft Visual Studio 10.0
-  export LD=c:/PROGRA~2/MICROS~2.0/VC/BIN/x86_amd64/link.exe
-else
-  export LD=c:/tools/msvs10/VC/BIN/x86_amd64/link.exe
-fi
-
-. $topsrcdir/build/mozconfig.vs-common
-
-mk_export_correct_style LIB
-mk_export_correct_style LIBPATH
-mk_export_correct_style PATH
-mk_export_correct_style INCLUDE
-mk_export_correct_style WIN32_REDIST_DIR