diff --git a/google/bigtable/admin/v2/BUILD.bazel b/google/bigtable/admin/v2/BUILD.bazel
index 7f75c938..9a9d7c07 100644
--- a/google/bigtable/admin/v2/BUILD.bazel
+++ b/google/bigtable/admin/v2/BUILD.bazel
@@ -382,4 +382,22 @@ csharp_gapic_assembly_pkg(
 ##############################################################################
 # C++
 ##############################################################################
-# Put your C++ rules here
+#
+# PLEASE DO NOT DELETE
+# These rules are not auto-generated, but they are used by OSS C++ projects.
+load(
+    "@com_google_googleapis_imports//:imports.bzl",
+    "cc_grpc_library",
+    "cc_proto_library")
+
+cc_proto_library(
+    name = "admin_cc_proto",
+    deps = [":admin_proto"],
+)
+
+cc_grpc_library(
+    name = "admin_cc_grpc",
+    srcs = [":admin_proto"],
+    grpc_only = True,
+    deps = [":admin_cc_proto"],
+)