diff --git a/ports/double-conversion/mscv_vers.patch b/ports/double-conversion/mscv_vers.patch
deleted file mode 100644
index 911ccee84..000000000
--- a/ports/double-conversion/mscv_vers.patch
+++ /dev/null
@@ -1,46 +0,0 @@
---- a/msvc/double-conversion.vcxproj
-+++ b/msvc/double-conversion.vcxproj
-@@ -1,5 +1,5 @@
- <?xml version="1.0" encoding="utf-8"?>
--<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-+<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-   <ItemGroup Label="ProjectConfigurations">
-     <ProjectConfiguration Include="Debug|Win32">
-       <Configuration>Debug</Configuration>
-@@ -22,31 +22,32 @@
-     <ProjectGuid>{6863544A-0CE8-4CA9-A132-74116FD9D9BB}</ProjectGuid>
-     <Keyword>Win32Proj</Keyword>
-     <RootNamespace>doubleconversion</RootNamespace>
-+    <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
-   </PropertyGroup>
-   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
-   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
-     <ConfigurationType>StaticLibrary</ConfigurationType>
-     <UseDebugLibraries>true</UseDebugLibraries>
--    <PlatformToolset>v120</PlatformToolset>
-+    <PlatformToolset>v140</PlatformToolset>
-     <CharacterSet>MultiByte</CharacterSet>
-   </PropertyGroup>
-   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
-     <ConfigurationType>StaticLibrary</ConfigurationType>
-     <UseDebugLibraries>true</UseDebugLibraries>
--    <PlatformToolset>v120</PlatformToolset>
-+    <PlatformToolset>v140</PlatformToolset>
-     <CharacterSet>MultiByte</CharacterSet>
-   </PropertyGroup>
-   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
-     <ConfigurationType>StaticLibrary</ConfigurationType>
-     <UseDebugLibraries>false</UseDebugLibraries>
--    <PlatformToolset>v120</PlatformToolset>
-+    <PlatformToolset>v140</PlatformToolset>
-     <WholeProgramOptimization>true</WholeProgramOptimization>
-     <CharacterSet>MultiByte</CharacterSet>
-   </PropertyGroup>
-   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
-     <ConfigurationType>StaticLibrary</ConfigurationType>
-     <UseDebugLibraries>false</UseDebugLibraries>
--    <PlatformToolset>v120</PlatformToolset>
-+    <PlatformToolset>v140</PlatformToolset>
-     <WholeProgramOptimization>true</WholeProgramOptimization>
-     <CharacterSet>MultiByte</CharacterSet>
-   </PropertyGroup>