diff --git a/.gitignore b/.gitignore
index 9995f35..22edf10 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@
 /jsonl-sync/sessions.db
 /jsonl-sync/state.json
 
+core
diff --git a/core b/core
deleted file mode 100644
index 4e11a5a..0000000
Binary files a/core and /dev/null differ