diff --git a/tools/elf2rpl/elf2rpl.vcxproj b/tools/elf2rpl/elf2rpl.vcxproj
index a30e1ab..d034791 100644
--- a/tools/elf2rpl/elf2rpl.vcxproj
+++ b/tools/elf2rpl/elf2rpl.vcxproj
@@ -72,18 +72,22 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <LinkIncremental>true</LinkIncremental>
     <OutDir>$(SolutionDir)\bin\</OutDir>
+    <IncludePath>$(SolutionDir)\ext\zlib;$(IncludePath)</IncludePath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <LinkIncremental>true</LinkIncremental>
     <OutDir>$(SolutionDir)\bin\</OutDir>
+    <IncludePath>$(SolutionDir)\ext\zlib;$(IncludePath)</IncludePath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <LinkIncremental>false</LinkIncremental>
     <OutDir>$(SolutionDir)\bin\</OutDir>
+    <IncludePath>$(SolutionDir)\ext\zlib;$(IncludePath)</IncludePath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <LinkIncremental>false</LinkIncremental>
     <OutDir>$(SolutionDir)\bin\</OutDir>
+    <IncludePath>$(SolutionDir)\ext\zlib;$(IncludePath)</IncludePath>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
@@ -154,6 +158,7 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClCompile Include="..\ext\zlib\crc32.c" />
     <ClCompile Include="main.cpp" />
   </ItemGroup>
   <ItemGroup>
diff --git a/tools/elf2rpl/elf2rpl.vcxproj.filters b/tools/elf2rpl/elf2rpl.vcxproj.filters
index a770f47..bd1de7e 100644
--- a/tools/elf2rpl/elf2rpl.vcxproj.filters
+++ b/tools/elf2rpl/elf2rpl.vcxproj.filters
@@ -13,11 +13,17 @@
       <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
       <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
     </Filter>
+    <Filter Include="Source Files\ext">
+      <UniqueIdentifier>{36d55ffd-f33d-437b-abc1-6e26a832efb3}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="main.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\ext\zlib\crc32.c">
+      <Filter>Source Files\ext</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\common\be_val.h">
diff --git a/tools/implcheck/implcheck.vcxproj b/tools/implcheck/implcheck.vcxproj
index 87fcb92..da7e152 100644
--- a/tools/implcheck/implcheck.vcxproj
+++ b/tools/implcheck/implcheck.vcxproj
@@ -125,7 +125,7 @@
       <SubSystem>Console</SubSystem>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
-      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <GenerateDebugInformation>No</GenerateDebugInformation>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@@ -142,7 +142,7 @@
       <SubSystem>Console</SubSystem>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
-      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <GenerateDebugInformation>No</GenerateDebugInformation>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>