diff --git a/.gitignore b/.gitignore
index 67dd6be3342..177dc2a4ee4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@
 __pycache__/
 
 # Build and tool-generated files
+arm_test/
 buck-out/
 buck2-bin/
 cmake-android-out/