diff --git a/.gitignore b/.gitignore
index 9e716afc..e9746d99 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
+# symlink to path/to/build/compile_commands.json should be manual
+compile_commands.json
 # lsp keeps state here
 .cache
 # typical build directories