diff --git a/windows/Makefile.am b/windows/Makefile.am
index 5cf45a8f..5242fc5f 100644
--- a/windows/Makefile.am
+++ b/windows/Makefile.am
@@ -1,3 +1,3 @@
-dist_noinst_DATA = netgen.sln netgen.suo netgen.vcproj netgen_MSVC2005.sln netgen_MSVC2005.suo  netgen_MSVC2005.vcproj postBuild_Install.bat
+dist_noinst_DATA = netgen.sln  netgen.vcproj netgen_MSVC2005.sln netgen_MSVC2005.vcproj postBuild_Install.bat