diff --git a/tools/mkpkg/mkpkg_xbmc b/tools/mkpkg/mkpkg_xbmc
index 43dae07746..c647d6678f 100755
--- a/tools/mkpkg/mkpkg_xbmc
+++ b/tools/mkpkg/mkpkg_xbmc
@@ -38,6 +38,18 @@ echo "cleaning sources..."
     find xbmc-$SVN_REV -name *.$i -exec rm -rf {} ";"
   done
 
+  # remove bundled libraries (including zlib and OSX), saves space and forces using external versions
+  for i in cximage-6.0/zlib libid3tag/zlib zlib
+  do
+    rm -rf xbmc-$SVN_REV/xbmc/lib/$i
+  done
+
+# bundled win32 binaries
+rm -r xbmc/visualizations/XBMCProjectM/win32
+
+# remove various headers 
+rm xbmc/FileSystem/zlib.h
+
 echo "packing sources..."
   tar cvjf xbmc-$SVN_REV.tar.bz2 xbmc-$SVN_REV
   tar cvjf xbmc-theme-Confluence-$SVN_REV.tar.bz2 xbmc-theme-Confluence-$SVN_REV