Precise_srcs is no longer used when vendoring is false
diff --git a/third-party/reindeer.toml b/third-party/reindeer.toml
index 2ff1a15..b5a5c3c 100644
--- a/third-party/reindeer.toml
+++ b/third-party/reindeer.toml
@@ -1,4 +1,3 @@
-precise_srcs = true
 rustc_flags = ["--cap-lints=allow"]
 vendor = false