diff --git a/.cvsignore b/.cvsignore
index 564c1906a7..5528a05ee7 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -20,7 +20,6 @@ linux-gnu.system.cache
 *.opt
 *.d
 *.swp
-*.swo
 Release
 Debug
 ReleaseDLL