diff --git a/PC/bdist_wininst/wininst-7.1.vcproj b/PC/bdist_wininst/wininst-7.1.vcproj
index 80fcdebaea9..b73cf34a8ed 100644
--- a/PC/bdist_wininst/wininst-7.1.vcproj
+++ b/PC/bdist_wininst/wininst-7.1.vcproj
@@ -58,8 +58,7 @@
 				TypeLibraryName=".\..\..\lib\distutils\command/wininst.tlb"
 				HeaderFileName=""/>
 			<Tool
-				Name="VCPostBuildEventTool"
-				CommandLine="c:\util\upx.exe --force --best &quot;$(TARGETPATH)&quot; || echo &quot;wininst.exe not compressed&quot;"/>
+				Name="VCPostBuildEventTool"/>
 			<Tool
 				Name="VCPreBuildEventTool"/>
 			<Tool
diff --git a/PC/bdist_wininst/wininst.dsp b/PC/bdist_wininst/wininst.dsp
index 3a29a07f925..23a6591d409 100644
--- a/PC/bdist_wininst/wininst.dsp
+++ b/PC/bdist_wininst/wininst.dsp
@@ -54,11 +54,6 @@ BSC32=bscmake.exe
 LINK32=link.exe
 # ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:windows /machine:I386
 # ADD LINK32 ..\..\..\zlib-1.2.1\zlib.lib imagehlp.lib comdlg32.lib ole32.lib comctl32.lib kernel32.lib user32.lib gdi32.lib advapi32.lib shell32.lib /nologo /subsystem:windows /machine:I386 /nodefaultlib:"LIBC" /out:"..\..\lib\distutils\command/wininst-6.exe"
-# Begin Special Build Tool
-TargetPath=\sf\python\dist\src\lib\distutils\command\wininst-6.exe
-SOURCE="$(InputPath)"
-PostBuild_Cmds=upx.exe --best $(TARGETPATH) || echo "wininst.exe not compressed"
-# End Special Build Tool
 
 !ELSEIF  "$(CFG)" == "wininst - Win32 Debug"
 
@@ -74,7 +69,7 @@ PostBuild_Cmds=upx.exe --best $(TARGETPATH) || echo "wininst.exe not compressed"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 # ADD BASE CPP /nologo /W3 /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /YX /FD /GZ /c
-# ADD CPP /nologo /MD /W3 /Z7 /Od /I "..\..\Include" /I "..\..\..\zlib-1.1.4" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /FR /YX /FD /c
+# ADD CPP /nologo /MD /W3 /Z7 /Od /I "..\..\Include" /I "..\..\..\zlib-1.2.1" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /FR /YX /FD /c
 # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
 # ADD BASE RSC /l 0x407 /d "_DEBUG"
@@ -84,7 +79,7 @@ BSC32=bscmake.exe
 # ADD BSC32 /nologo
 LINK32=link.exe
 # ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:windows /debug /machine:I386 /pdbtype:sept
-# ADD LINK32 ..\..\..\zlib-1.1.4\zlib.lib imagehlp.lib comdlg32.lib ole32.lib comctl32.lib kernel32.lib user32.lib gdi32.lib advapi32.lib shell32.lib /nologo /subsystem:windows /pdb:none /debug /machine:I386 /nodefaultlib:"LIBC" /out:"..\..\lib\distutils\command/wininst-6_d.exe"
+# ADD LINK32 ..\..\..\zlib-1.2.1\zlib.lib imagehlp.lib comdlg32.lib ole32.lib comctl32.lib kernel32.lib user32.lib gdi32.lib advapi32.lib shell32.lib /nologo /subsystem:windows /pdb:none /debug /machine:I386 /nodefaultlib:"LIBC" /out:"..\..\lib\distutils\command/wininst-6_d.exe"
 
 !ENDIF