diff --git a/.gitignore b/.gitignore
index ba1ba3c1d669..142ce91e4b57 100644
--- a/.gitignore
+++ b/.gitignore
@@ -58,4 +58,5 @@ support/hololens/ServoApp/support/
 support/hololens/ServoApp/Debug/
 support/hololens/ServoApp/Release/
 support/hololens/packages/
+support/hololens/AppPackages/
 support/hololens/.vs/
diff --git a/python/servo/build_commands.py b/python/servo/build_commands.py
index f5ea97393914..9d9f90331d51 100644
--- a/python/servo/build_commands.py
+++ b/python/servo/build_commands.py
@@ -742,6 +742,7 @@ def clean(self, manifest_path=None, params=[], verbose=False):
             "support/hololens/ServoApp/Debug/",
             "support/hololens/ServoApp/Release/",
             "support/hololens/packages/",
+            "support/hololens/AppPackages/",
         ]
 
         for uwp_artifact in uwp_artifacts: