diff --git a/dashboard/.gitignore b/dashboard/.gitignore
deleted file mode 100644
index 08982b693..000000000
--- a/dashboard/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-dashboard.html
-sanitizers
diff --git a/dashboard/README.md b/dashboard/README.md
index 5a6ec036c..37a88c0f6 100644
--- a/dashboard/README.md
+++ b/dashboard/README.md
@@ -2,6 +2,12 @@
 
 The dashboard is automatically built and updated from `master` on the GCE instance via [`start_script.sh`](start_script.sh).
 
+## Local testing
+
+```bash
+go build -o /tmp/sanitizers . && /tmp/sanitizers > /tmp/sanitizers.html && xdg-open /tmp/sanitizers.html
+```
+
 ## Creating the GCE instance
 
 ```bash