diff --git a/codec/processing/build/win32/WelsVP_2008.vcproj b/codec/processing/build/win32/WelsVP_2008.vcproj
index 2c2439ed..8b2197be 100644
--- a/codec/processing/build/win32/WelsVP_2008.vcproj
+++ b/codec/processing/build/win32/WelsVP_2008.vcproj
@@ -53,7 +53,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="../../../common/inc;../../interface;../../src/common"
-				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;WELSVP_EXPORTS;X86_ASM"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;X86_ASM"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
@@ -138,7 +138,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="../../../common/inc;../../interface;../../src/common"
-				PreprocessorDefinitions="WIN64;_DEBUG;_WINDOWS;_USRDLL;WELSVP_EXPORTS;X86_ASM"
+				PreprocessorDefinitions="WIN64;_DEBUG;_WINDOWS;_USRDLL;X86_ASM"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
@@ -225,7 +225,7 @@
 				EnableIntrinsicFunctions="false"
 				FavorSizeOrSpeed="1"
 				AdditionalIncludeDirectories="../../../common/inc/;../../interface;../../src/common"
-				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;WELSVP_EXPORTS;X86_ASM"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;X86_ASM"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="false"
 				UsePrecompiledHeader="0"
@@ -315,7 +315,7 @@
 				EnableIntrinsicFunctions="false"
 				FavorSizeOrSpeed="1"
 				AdditionalIncludeDirectories="../../../common/inc/;../../interface;../../src/common"
-				PreprocessorDefinitions="WIN64;NDEBUG;_WINDOWS;_USRDLL;WELSVP_EXPORTS;X86_ASM"
+				PreprocessorDefinitions="WIN64;NDEBUG;_WINDOWS;_USRDLL;X86_ASM"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="false"
 				UsePrecompiledHeader="0"