diff --git a/metropolis/node/core/curator/proto/api/BUILD.bazel b/metropolis/node/core/curator/proto/api/BUILD.bazel
index 4b79f05..ef826f3 100644
--- a/metropolis/node/core/curator/proto/api/BUILD.bazel
+++ b/metropolis/node/core/curator/proto/api/BUILD.bazel
@@ -7,7 +7,7 @@
     name = "api_proto_lint_test",
     except_rules = [
         "PACKAGE_VERSION_SUFFIX",
-        "ENUM_ZERO_VALUE_SUFFIX",  # TODO: evaluate correctness
+        "ENUM_ZERO_VALUE_SUFFIX",
         "RPC_REQUEST_STANDARD_NAME",  # TODO: evaluate correctness
         "RPC_RESPONSE_STANDARD_NAME",  # TODO: evaluate correctness
         "SERVICE_SUFFIX",  # TODO: evaluate correctness
diff --git a/metropolis/node/core/curator/proto/private/BUILD.bazel b/metropolis/node/core/curator/proto/private/BUILD.bazel
index 98d2acf..2290e1d 100644
--- a/metropolis/node/core/curator/proto/private/BUILD.bazel
+++ b/metropolis/node/core/curator/proto/private/BUILD.bazel
@@ -7,7 +7,7 @@
     name = "private_proto_lint_test",
     except_rules = [
         "PACKAGE_VERSION_SUFFIX",
-        "ENUM_ZERO_VALUE_SUFFIX",  # TODO: evaluate correctness
+        "ENUM_ZERO_VALUE_SUFFIX",
     ],
     protos = [":private_proto"],
     use_rules = [