diff --git a/.buckconfig b/.buckconfig
index de91633a32013..30bcec4961204 100644
--- a/.buckconfig
+++ b/.buckconfig
@@ -15,7 +15,10 @@ ignore = \
     app_dep_graph_rules, \
     examples, \
     integrations/rust-project/tests, \
-    tests
+    tests, \
+    .jj, \
+    .git, \
+    target
 
 [rust]
 default_edition = 2024
diff --git a/.watchmanconfig b/.watchmanconfig
index 3633b3459fa6b..edb79549d372f 100644
--- a/.watchmanconfig
+++ b/.watchmanconfig
@@ -1,3 +1,3 @@
 {
-    "ignore_dirs": ["buck-out", ".git", ".sl"]
+    "ignore_dirs": ["buck-out", ".git", ".sl", ".jj", "target"]
 }