diff --git a/EgtNumKernel.vcxproj b/EgtNumKernel.vcxproj
index 366ad25..38570f3 100644
--- a/EgtNumKernel.vcxproj
+++ b/EgtNumKernel.vcxproj
@@ -91,7 +91,7 @@
       <PrecompiledHeader>Use</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;I_AM_ENK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;I_AM_ENK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <OpenMPSupport>true</OpenMPSupport>
     </ClCompile>
     <Link>
@@ -112,7 +112,7 @@ copy $(TargetPath) \EgtProg\Dll32</Command>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;I_AM_ENK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;I_AM_ENK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <OpenMPSupport>true</OpenMPSupport>
     </ClCompile>
     <Link>
@@ -132,10 +132,10 @@ copy $(TargetPath) \EgtProg\Dll64</Command>
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
       <PrecompiledHeader>Use</PrecompiledHeader>
-      <Optimization>MaxSpeed</Optimization>
+      <Optimization>Full</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;I_AM_ENK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;I_AM_ENK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <OpenMPSupport>true</OpenMPSupport>
     </ClCompile>
     <Link>
@@ -156,10 +156,10 @@ copy $(TargetPath) \EgtProg\Dll32</Command>
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
       <PrecompiledHeader>Use</PrecompiledHeader>
-      <Optimization>MaxSpeed</Optimization>
+      <Optimization>Full</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;I_AM_ENK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;I_AM_ENK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <OpenMPSupport>true</OpenMPSupport>
     </ClCompile>
     <Link>