diff --git a/.clang-tidy.ignore b/.clang-tidy.ignore
new file mode 100644
index 00000000..dba559d6
--- /dev/null
+++ b/.clang-tidy.ignore
@@ -0,0 +1 @@
+.*third_party/.*
diff --git a/include/benchmark/benchmark.h b/include/benchmark/benchmark.h
index 4ea085ad..d2b024a4 100644
--- a/include/benchmark/benchmark.h
+++ b/include/benchmark/benchmark.h
@@ -1438,10 +1438,10 @@ class Fixture : public internal::Benchmark {
 #define BENCHMARK_PRIVATE_CONCAT_NAME(BaseClass, Method) \
   BaseClass##_##Method##_Benchmark
 
-#define BENCHMARK_PRIVATE_DECLARE(n)                                 \
-  /* NOLINTNEXTLINE(misc-use-anonymous-namespace) */                 \
-  static ::benchmark::internal::Benchmark* BENCHMARK_PRIVATE_NAME(n) \
-      [[maybe_unused]]
+#define BENCHMARK_PRIVATE_DECLARE(n)                                           \
+  /* NOLINTNEXTLINE(misc-use-anonymous-namespace) */                           \
+  static ::benchmark::internal::Benchmark const* const BENCHMARK_PRIVATE_NAME( \
+      n) [[maybe_unused]]
 
 #define BENCHMARK(...)                                               \
   BENCHMARK_PRIVATE_DECLARE(_benchmark_) =                           \