diff --git a/mps/.p4ignore b/mps/.p4ignore
index 04531d440b8..2c1380fbfb8 100644
--- a/mps/.p4ignore
+++ b/mps/.p4ignore
@@ -1,3 +1,5 @@
+# Personal Perforce configurations
+.p4config
 # Mac OS X Finder turds
 .DS_Store
 # Patch results
diff --git a/mps/code/w3mv/.p4ignore b/mps/code/w3mv/.p4ignore
new file mode 100755
index 00000000000..4f1821ab272
--- /dev/null
+++ b/mps/code/w3mv/.p4ignore
@@ -0,0 +1,8 @@
+# Subproject build results
+*/Debug
+*/Release
+# Temporary user preferences
+*.vcxproj.user
+# Mystery rubbish
+*.sdf
+*.opensdf