diff --git a/third_party/nix/.clang-tidy b/third_party/nix/.clang-tidy
index bccfa148c..96fe354fb 100644
--- a/third_party/nix/.clang-tidy
+++ b/third_party/nix/.clang-tidy
@@ -1,3 +1,7 @@
 ---
 WarningsAsErrors: 'abseil-*,clang-analyzer-security.insecureAPI.strcpy'
+LineFilter:
+  - {name: "src/cpptoml/cpptoml.h"}
+  - {name: "include/google/protobuf/metadata_lite.h"}
+  - {name: "generated/lexer-tab.cc"}
 ...