diff --git a/3rd-party/ImGui/ImGui.vcxproj b/3rd-party/ImGui/ImGui.vcxproj
index 6688c678..df3c20d9 100644
--- a/3rd-party/ImGui/ImGui.vcxproj
+++ b/3rd-party/ImGui/ImGui.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -33,36 +33,29 @@
     <ClCompile Include="ImGui\imgui_widgets.cpp" />
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <VCProjectVersion>15.0</VCProjectVersion>
     <ProjectGuid>{AA7C72A9-DDBF-4398-A301-8EE157E37D4C}</ProjectGuid>
-    <Keyword>Win32Proj</Keyword>
     <RootNamespace>ImGui</RootNamespace>
-    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v141</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v141</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
@@ -100,8 +93,6 @@
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
@@ -111,11 +102,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
-      <PrecompiledHeader>Use</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
@@ -125,13 +113,10 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
-      <PrecompiledHeader>Use</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
@@ -143,13 +128,10 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
-      <PrecompiledHeader>Use</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
diff --git a/project/Box2DSample/Box2DSample.vcxproj b/project/Box2DSample/Box2DSample.vcxproj
index ee020ceb..a344242d 100644
--- a/project/Box2DSample/Box2DSample.vcxproj
+++ b/project/Box2DSample/Box2DSample.vcxproj
@@ -19,7 +19,6 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <VCProjectVersion>15.0</VCProjectVersion>
     <ProjectGuid>{324CFF47-4EB2-499A-BE5F-53A82E3BA14B}</ProjectGuid>
     <RootNamespace>Box2DSample</RootNamespace>
   </PropertyGroup>
diff --git a/project/ImGuiSample/ImGuiSample.vcxproj b/project/ImGuiSample/ImGuiSample.vcxproj
index e349f2ff..bb82b75f 100644
--- a/project/ImGuiSample/ImGuiSample.vcxproj
+++ b/project/ImGuiSample/ImGuiSample.vcxproj
@@ -19,7 +19,6 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <VCProjectVersion>15.0</VCProjectVersion>
     <ProjectGuid>{6152D36C-EA40-4968-A696-244B6CA58395}</ProjectGuid>
     <RootNamespace>ImGuiSample</RootNamespace>
   </PropertyGroup>
diff --git a/src/dx/TextRenderer.cpp b/src/dx/TextRenderer.cpp
index 71c9017b..614286d8 100644
--- a/src/dx/TextRenderer.cpp
+++ b/src/dx/TextRenderer.cpp
@@ -19,8 +19,6 @@
 // THE SOFTWARE.
 
 #include "TextRenderer.h"
-#include "include-forwards.h"
-#include "render.h"
 
 namespace easy2d
 {