diff --git a/include/Support/.cvsignore b/include/Support/.cvsignore
new file mode 100644
index 00000000000..29a630c2c2b
--- /dev/null
+++ b/include/Support/.cvsignore
@@ -0,0 +1,5 @@
+ThreadSupport.h
+DataTypes.h
+hash_map
+hash_set
+iterator