diff --git a/.gitignore b/.gitignore
index 36fdc05534..62d9ea064c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,6 +28,7 @@
 /dev/benchmarks/mega_gallery/
 /dev/bots/.recipe_deps
 /dev/bots/android_tools/
+/dev/devicelab/ABresults*.json
 /dev/docs/doc/
 /dev/docs/flutter.docs.zip
 /dev/docs/lib/