diff --git a/.hgignore b/.hgignore
index dd4e9bba052..bba99a46e97 100644
--- a/.hgignore
+++ b/.hgignore
@@ -64,6 +64,8 @@ PCbuild/*.exp
 PCbuild/*.o
 PCbuild/*.ncb
 PCbuild/*.bsc
+PCbuild/*.user
+PCbuild/*.suo
 PCbuild/Win32-temp-*
 PCbuild/x64-temp-*
 __pycache__