diff --git a/proposed-api-sample/.gitignore b/proposed-api-sample/.gitignore
index 5fe00fea..ab143046 100644
--- a/proposed-api-sample/.gitignore
+++ b/proposed-api-sample/.gitignore
@@ -2,3 +2,6 @@ out
 node_modules
 .vscode-test/
 *.vsix
+
+vscode.d.ts
+vscode.proposed.d.ts