diff --git a/tcmalloc/BUILD b/tcmalloc/BUILD
index ce127b130..5353e47e5 100644
--- a/tcmalloc/BUILD
+++ b/tcmalloc/BUILD
@@ -674,6 +674,7 @@ cc_library(
     srcs = ["mock_transfer_cache.cc"],
     hdrs = ["mock_transfer_cache.h"],
     copts = TCMALLOC_DEFAULT_COPTS,
+    visibility = ["//tcmalloc:__subpackages__"],
     deps = [
         ":common_8k_pages",
         ":mock_central_freelist",
diff --git a/tcmalloc/internal/BUILD b/tcmalloc/internal/BUILD
index 92f0cc582..22932a327 100644
--- a/tcmalloc/internal/BUILD
+++ b/tcmalloc/internal/BUILD
@@ -670,9 +670,7 @@ cc_library(
     srcs = ["numa.cc"],
     hdrs = ["numa.h"],
     copts = TCMALLOC_DEFAULT_COPTS,
-    visibility = [
-        "//tcmalloc:__subpackages__",
-    ],
+    visibility = ["//tcmalloc:__subpackages__"],
     deps = [
         ":config",
         ":cpu_utils",