diff --git a/CUETools.Codecs.TTA/AssemblyInfo.cpp b/CUETools.Codecs.TTA/AssemblyInfo.cpp
index 8451d72..643cd67 100644
--- a/CUETools.Codecs.TTA/AssemblyInfo.cpp
+++ b/CUETools.Codecs.TTA/AssemblyInfo.cpp
@@ -1,5 +1,3 @@
-#include "stdafx.h"
-
 using namespace System;
 using namespace System::Reflection;
 using namespace System::Runtime::CompilerServices;
diff --git a/CUETools.Codecs.TTA/CUETools.Codecs.TTA.cpp b/CUETools.Codecs.TTA/CUETools.Codecs.TTA.cpp
index 25e2f62..f3d7a6c 100644
--- a/CUETools.Codecs.TTA/CUETools.Codecs.TTA.cpp
+++ b/CUETools.Codecs.TTA/CUETools.Codecs.TTA.cpp
@@ -1,14 +1,12 @@
 // This is the main DLL file.
 
-#include "stdafx.h"
-
 #include "CUETools.Codecs.TTA.h"
 
 typedef void * HANDLE;
 
-#include "../TTALib-1.1/TTAReader.h"
-#include "../TTALib-1.1/TTAWriter.h"
-#include "../TTALib-1.1/TTAError.h"
+#include "../ttalib-1.1/TTAReader.h"
+#include "../ttalib-1.1/TTAWriter.h"
+#include "../ttalib-1.1/TTAError.h"
 
 namespace CUETools { 
 namespace Codecs { 
diff --git a/CUETools.Codecs.TTA/CUETools.Codecs.TTA.vcxproj b/CUETools.Codecs.TTA/CUETools.Codecs.TTA.vcxproj
index e23a385..4aa1db7 100644
--- a/CUETools.Codecs.TTA/CUETools.Codecs.TTA.vcxproj
+++ b/CUETools.Codecs.TTA/CUETools.Codecs.TTA.vcxproj
@@ -100,7 +100,6 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
-      <PrecompiledHeader>Use</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
     </ClCompile>
@@ -123,7 +122,6 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
-      <PrecompiledHeader>Use</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
     </ClCompile>
@@ -142,7 +140,6 @@
     <ClCompile>
       <PreprocessorDefinitions>WIN32;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
-      <PrecompiledHeader>Use</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
     </ClCompile>
@@ -163,7 +160,6 @@
     <ClCompile>
       <PreprocessorDefinitions>WIN32;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
-      <PrecompiledHeader>Use</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
     </ClCompile>
@@ -212,17 +208,10 @@
   <ItemGroup>
     <ClCompile Include="AssemblyInfo.cpp" />
     <ClCompile Include="CUETools.Codecs.TTA.cpp" />
-    <ClCompile Include="Stdafx.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Create</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Create</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
-    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="CUETools.Codecs.TTA.h" />
     <ClInclude Include="resource.h" />
-    <ClInclude Include="Stdafx.h" />
   </ItemGroup>
   <ItemGroup>
     <None Include="app.ico" />
diff --git a/CUETools.Codecs.TTA/Stdafx.cpp b/CUETools.Codecs.TTA/Stdafx.cpp
deleted file mode 100644
index 44a182d..0000000
--- a/CUETools.Codecs.TTA/Stdafx.cpp
+++ /dev/null
@@ -1,5 +0,0 @@
-// stdafx.cpp : source file that includes just the standard includes
-// CUETools.Codecs.TTA.pch will be the pre-compiled header
-// stdafx.obj will contain the pre-compiled type information
-
-#include "stdafx.h"
diff --git a/CUETools.Codecs.TTA/Stdafx.h b/CUETools.Codecs.TTA/Stdafx.h
deleted file mode 100644
index 2e525d4..0000000
--- a/CUETools.Codecs.TTA/Stdafx.h
+++ /dev/null
@@ -1,7 +0,0 @@
-// stdafx.h : include file for standard system include files,
-// or project specific include files that are used frequently,
-// but are changed infrequently
-
-#pragma once
-
-
diff --git a/ttalib-1.1/Stdafx.cpp b/ttalib-1.1/Stdafx.cpp
deleted file mode 100644
index 3220eb3..0000000
--- a/ttalib-1.1/Stdafx.cpp
+++ /dev/null
@@ -1,5 +0,0 @@
-// stdafx.cpp : source file that includes just the standard includes
-// TTALib.pch will be the pre-compiled header
-// stdafx.obj will contain the pre-compiled type information
-
-#include "stdafx.h"
diff --git a/ttalib-1.1/Stdafx.h b/ttalib-1.1/Stdafx.h
deleted file mode 100644
index a1e5342..0000000
--- a/ttalib-1.1/Stdafx.h
+++ /dev/null
@@ -1,8 +0,0 @@
-// stdafx.h : include file for standard system include files,
-// or project specific include files that are used frequently,
-// but are changed infrequently
-
-#pragma once
-
-//#using <mscorlib.dll>
-
diff --git a/ttalib-1.1/ttacommon.h b/ttalib-1.1/TTACommon.h
similarity index 100%
rename from ttalib-1.1/ttacommon.h
rename to ttalib-1.1/TTACommon.h
diff --git a/ttalib-1.1/TTALib.cpp b/ttalib-1.1/TTALib.cpp
index b4aebe7..ffe2721 100644
--- a/ttalib-1.1/TTALib.cpp
+++ b/ttalib-1.1/TTALib.cpp
@@ -27,14 +27,13 @@
  * information.
  */
 
-#include "stdafx.h"
 #include <windows.h>
 
 #include "TTALib.h"
-#include "ttacommon.h"
+#include "TTACommon.h"
 #include "filters3.h"
-#include "ttawriter.h"
-#include "ttareader.h"
+#include "TTAWriter.h"
+#include "TTAReader.h"
 #include "WavFile.h"
 #include "TTAError.h"
 #include "TTATester.h"
diff --git a/ttalib-1.1/TTALib.vcproj b/ttalib-1.1/TTALib.vcproj
deleted file mode 100644
index f981002..0000000
--- a/ttalib-1.1/TTALib.vcproj
+++ /dev/null
@@ -1,416 +0,0 @@
-<?xml version="1.0" encoding="windows-1251"?>
-<VisualStudioProject
-	ProjectType="Visual C++"
-	Version="9,00"
-	Name="TTALib"
-	ProjectGUID="{B3DF599C-1C8F-451D-91E4-DD766210DA1F}"
-	RootNamespace="TTALib"
-	Keyword="ManagedCProj"
-	TargetFrameworkVersion="131072"
-	>
-	<Platforms>
-		<Platform
-			Name="Win32"
-		/>
-		<Platform
-			Name="x64"
-		/>
-	</Platforms>
-	<ToolFiles>
-	</ToolFiles>
-	<Configurations>
-		<Configuration
-			Name="Debug|Win32"
-			OutputDirectory="$(SolutionDir)..\bin\$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(SolutionDir)..\obj\$(ProjectName)\$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="4"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC70.vsprops"
-			CharacterSet="2"
-			ManagedExtensions="0"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				AdditionalOptions="/Ze"
-				Optimization="0"
-				PreprocessorDefinitions="WIN32;_DEBUG"
-				MinimalRebuild="false"
-				BasicRuntimeChecks="0"
-				RuntimeLibrary="1"
-				UsePrecompiledHeader="2"
-				WarningLevel="3"
-				DebugInformationFormat="3"
-				CallingConvention="0"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLibrarianTool"
-				OutputFile="$(OutDir)/$(ProjectName).lib"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Debug|x64"
-			OutputDirectory="$(SolutionDir)$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="4"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC70.vsprops"
-			CharacterSet="2"
-			ManagedExtensions="0"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				AdditionalOptions="/Ze"
-				Optimization="0"
-				PreprocessorDefinitions="WIN32;_DEBUG"
-				MinimalRebuild="false"
-				BasicRuntimeChecks="0"
-				RuntimeLibrary="1"
-				UsePrecompiledHeader="2"
-				WarningLevel="3"
-				DebugInformationFormat="3"
-				CallingConvention="0"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLibrarianTool"
-				OutputFile="$(OutDir)/$(ProjectName).lib"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Release|Win32"
-			OutputDirectory="$(SolutionDir)..\bin\$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(SolutionDir)..\obj\$(ProjectName)\$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="4"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC70.vsprops"
-			CharacterSet="2"
-			ManagedExtensions="0"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				AdditionalOptions="/Ze"
-				Optimization="2"
-				InlineFunctionExpansion="1"
-				PreprocessorDefinitions="WIN32;NDEBUG"
-				MinimalRebuild="false"
-				UsePrecompiledHeader="2"
-				WarningLevel="4"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLibrarianTool"
-				OutputFile="$(OutDir)/$(ProjectName).lib"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Release|x64"
-			OutputDirectory="$(SolutionDir)$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="4"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC70.vsprops"
-			CharacterSet="2"
-			ManagedExtensions="0"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				AdditionalOptions="/Ze"
-				Optimization="3"
-				InlineFunctionExpansion="2"
-				EnableIntrinsicFunctions="true"
-				FavorSizeOrSpeed="1"
-				OmitFramePointers="true"
-				WholeProgramOptimization="true"
-				PreprocessorDefinitions="WIN32;NDEBUG"
-				MinimalRebuild="false"
-				RuntimeLibrary="2"
-				BufferSecurityCheck="false"
-				EnableFunctionLevelLinking="false"
-				EnableEnhancedInstructionSet="1"
-				FloatingPointModel="2"
-				UsePrecompiledHeader="2"
-				WarningLevel="4"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLibrarianTool"
-				OutputFile="$(OutDir)/$(ProjectName).lib"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-	</Configurations>
-	<References>
-	</References>
-	<Files>
-		<Filter
-			Name="Source Files"
-			Filter="cpp;c;cxx;def;odl;idl;hpj;bat;asm"
-			>
-			<File
-				RelativePath="Stdafx.cpp"
-				>
-				<FileConfiguration
-					Name="Debug|Win32"
-					>
-					<Tool
-						Name="VCCLCompilerTool"
-						UsePrecompiledHeader="1"
-					/>
-				</FileConfiguration>
-				<FileConfiguration
-					Name="Debug|x64"
-					>
-					<Tool
-						Name="VCCLCompilerTool"
-						UsePrecompiledHeader="1"
-					/>
-				</FileConfiguration>
-				<FileConfiguration
-					Name="Release|Win32"
-					>
-					<Tool
-						Name="VCCLCompilerTool"
-						UsePrecompiledHeader="1"
-					/>
-				</FileConfiguration>
-				<FileConfiguration
-					Name="Release|x64"
-					>
-					<Tool
-						Name="VCCLCompilerTool"
-						UsePrecompiledHeader="1"
-					/>
-				</FileConfiguration>
-			</File>
-			<File
-				RelativePath="TTALib.cpp"
-				>
-			</File>
-			<File
-				RelativePath="TTAReader.cpp"
-				>
-			</File>
-			<File
-				RelativePath="TTAWriter.cpp"
-				>
-			</File>
-			<File
-				RelativePath="WavFile.cpp"
-				>
-			</File>
-		</Filter>
-		<Filter
-			Name="Header Files"
-			Filter="h;hpp;hxx;hm;inl;inc"
-			>
-			<File
-				RelativePath="BitReader.h"
-				>
-			</File>
-			<File
-				RelativePath="BitWriter.h"
-				>
-			</File>
-			<File
-				RelativePath="crc32.h"
-				>
-			</File>
-			<File
-				RelativePath="filters3.h"
-				>
-			</File>
-			<File
-				RelativePath="Stdafx.h"
-				>
-			</File>
-			<File
-				RelativePath="ttacommon.h"
-				>
-			</File>
-			<File
-				RelativePath="TTAError.h"
-				>
-			</File>
-			<File
-				RelativePath="TTALib.h"
-				>
-			</File>
-			<File
-				RelativePath="TTAReader.h"
-				>
-			</File>
-			<File
-				RelativePath="TTATester.h"
-				>
-			</File>
-			<File
-				RelativePath="TTAWriter.h"
-				>
-			</File>
-			<File
-				RelativePath="WavFile.h"
-				>
-			</File>
-		</Filter>
-		<File
-			RelativePath="COPYING"
-			>
-		</File>
-		<File
-			RelativePath="ReadMe.txt"
-			>
-		</File>
-	</Files>
-	<Globals>
-	</Globals>
-</VisualStudioProject>
diff --git a/ttalib-1.1/TTALib.vcxproj b/ttalib-1.1/TTALib.vcxproj
index c19fd95..440bc43 100644
--- a/ttalib-1.1/TTALib.vcxproj
+++ b/ttalib-1.1/TTALib.vcxproj
@@ -101,7 +101,6 @@
       <MinimalRebuild>false</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
-      <PrecompiledHeader>Use</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <CallingConvention>Cdecl</CallingConvention>
@@ -121,7 +120,6 @@
       <MinimalRebuild>false</MinimalRebuild>
       <BasicRuntimeChecks>Default</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
-      <PrecompiledHeader>Use</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <CallingConvention>Cdecl</CallingConvention>
@@ -137,7 +135,6 @@
       <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
       <PreprocessorDefinitions>WIN32;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>false</MinimalRebuild>
-      <PrecompiledHeader>Use</PrecompiledHeader>
       <WarningLevel>Level4</WarningLevel>
     </ClCompile>
     <Lib>
@@ -163,7 +160,6 @@
       <FunctionLevelLinking>false</FunctionLevelLinking>
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions</EnableEnhancedInstructionSet>
       <FloatingPointModel>Fast</FloatingPointModel>
-      <PrecompiledHeader>Use</PrecompiledHeader>
       <WarningLevel>Level4</WarningLevel>
     </ClCompile>
     <Lib>
@@ -171,12 +167,6 @@
     </Lib>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="Stdafx.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Create</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Create</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
-    </ClCompile>
     <ClCompile Include="TTALib.cpp" />
     <ClCompile Include="TTAReader.cpp" />
     <ClCompile Include="TTAWriter.cpp" />
@@ -187,8 +177,7 @@
     <ClInclude Include="BitWriter.h" />
     <ClInclude Include="crc32.h" />
     <ClInclude Include="filters3.h" />
-    <ClInclude Include="Stdafx.h" />
-    <ClInclude Include="ttacommon.h" />
+    <ClInclude Include="TTACommon.h" />
     <ClInclude Include="TTAError.h" />
     <ClInclude Include="TTALib.h" />
     <ClInclude Include="TTAReader.h" />
diff --git a/ttalib-1.1/TTAReader.cpp b/ttalib-1.1/TTAReader.cpp
index aefd529..cd77cf2 100644
--- a/ttalib-1.1/TTAReader.cpp
+++ b/ttalib-1.1/TTAReader.cpp
@@ -27,7 +27,6 @@
  * information.
  */
 
-#include "stdafx.h"
 #include "BitReader.h"
 #include "TTAReader.h"
 #include "filters3.h"
diff --git a/ttalib-1.1/TTAReader.h b/ttalib-1.1/TTAReader.h
index d680104..742451f 100644
--- a/ttalib-1.1/TTAReader.h
+++ b/ttalib-1.1/TTAReader.h
@@ -29,7 +29,7 @@
 
 #pragma once
 
-#include "ttacommon.h"
+#include "TTACommon.h"
 
 #define WAVE_FORMAT_PCM	1
 #define WAVE_FORMAT_IEEE_FLOAT 3
diff --git a/ttalib-1.1/TTATester.h b/ttalib-1.1/TTATester.h
index c88638a..ea6db76 100644
--- a/ttalib-1.1/TTATester.h
+++ b/ttalib-1.1/TTATester.h
@@ -1,5 +1,5 @@
 #pragma once
-#include "bitreader.h"
+#include "BitReader.h"
 
 namespace TTALib 
 {
diff --git a/ttalib-1.1/TTAWriter.cpp b/ttalib-1.1/TTAWriter.cpp
index 066184b..6d9cb36 100644
--- a/ttalib-1.1/TTAWriter.cpp
+++ b/ttalib-1.1/TTAWriter.cpp
@@ -27,7 +27,6 @@
  * information.
  */
 
-#include "stdafx.h"
 #include "BitWriter.h"
 #include "TTAError.h"
 #include "TTAWriter.h"
diff --git a/ttalib-1.1/WavFile.cpp b/ttalib-1.1/WavFile.cpp
index b66af87..9832a38 100644
--- a/ttalib-1.1/WavFile.cpp
+++ b/ttalib-1.1/WavFile.cpp
@@ -27,7 +27,6 @@
  * information.
  */
 
-#include "stdafx.h"
 #include <windows.h>
 #include "TTACommon.h"
 #include "TTAError.h"