diff --git a/.bazelignore b/.bazelignore
index 43a0abec143..d00396c51ef 100644
--- a/.bazelignore
+++ b/.bazelignore
@@ -31,3 +31,6 @@ venv
 
 # This is not run by bazel at the moment
 monguard
+
+# Nested worktrees should be ignored
+.claude/worktrees
diff --git a/.gitignore b/.gitignore
index ff64b44b9b8..01e7dac14b6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -361,4 +361,5 @@ src/mongo/shell/*_gen.d.ts
 # Claude Code local files
 .claude/settings.local.json
 .claude/agent-memory-local/
+.claude/worktrees/
 CLAUDE.local.md