diff --git a/.gitignore b/.gitignore
index c16f7cbe9712d5..cc1cdcd50528b3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -49,9 +49,10 @@ PCbuild/*.suo
 PCbuild/*.*sdf
 PCbuild/*-pgi
 PCbuild/*-pgo
+PCbuild/.vs/
 PCbuild/amd64/
-PCbuild/obj
-PCBuild/win32
+PCbuild/obj/
+PCBuild/win32/
 .purify
 Parser/pgen
 __pycache__
diff --git a/.hgignore b/.hgignore
index 7a5260691dcfd5..806e15606ec104 100644
--- a/.hgignore
+++ b/.hgignore
@@ -73,6 +73,7 @@ PCbuild/*.suo
 PCbuild/*.*sdf
 PCbuild/*-pgi
 PCbuild/*-pgo
+PCbuild/.vs
 PCbuild/amd64
 PCbuild/obj
 PCbuild/win32