diff --git a/google/api/servicemanagement/v1/BUILD.bazel b/google/api/servicemanagement/v1/BUILD.bazel
index 681dd641..996b7435 100644
--- a/google/api/servicemanagement/v1/BUILD.bazel
+++ b/google/api/servicemanagement/v1/BUILD.bazel
@@ -156,59 +156,17 @@ go_gapic_assembly_pkg(
 
 ##############################################################################
 # Python
-# DO NOT OVERRIDE with autogenerated rules if NOT migrated to Python Microgen
 ##############################################################################
 load(
     "@com_google_googleapis_imports//:imports.bzl",
-    "moved_proto_library",
-    "py_grpc_library",
-    "py_proto_library",
-    py_gapic_assembly_pkg = "py_gapic_assembly_pkg_legacy",
-    py_gapic_library = "py_gapic_library_legacy",
-)
-
-moved_proto_library(
-    name = "servicemanagement_moved_proto",
-    srcs = [":servicemanagement_proto"],
-    deps = [
-        "//google/api:annotations_proto",
-        "//google/api:client_proto",
-        "//google/api:config_change_proto",
-        "//google/api:field_behavior_proto",
-        "//google/api:metric_proto",
-        "//google/api:quota_proto",
-        "//google/api:service_proto",
-        "//google/longrunning:operations_proto",
-        "//google/rpc:status_proto",
-        "@com_google_protobuf//:any_proto",
-        "@com_google_protobuf//:field_mask_proto",
-        "@com_google_protobuf//:timestamp_proto",
-    ],
-)
-
-py_proto_library(
-    name = "servicemanagement_py_proto",
-    plugin = "@protoc_docs_plugin//:docs_plugin",
-    deps = [":servicemanagement_moved_proto"],
-)
-
-py_grpc_library(
-    name = "servicemanagement_py_grpc",
-    srcs = [":servicemanagement_moved_proto"],
-    deps = [":servicemanagement_py_proto"],
+    "py_gapic_assembly_pkg",
+    "py_gapic_library",
 )
 
 py_gapic_library(
     name = "servicemanagement_py_gapic",
-    src = ":servicemanagement_proto_with_info",
-    gapic_yaml = "servicemanagement_gapic.yaml",
+    srcs = [":servicemanagement_proto"],
     grpc_service_config = "servicemanagement_grpc_service_config.json",
-    package = "google.api.servicemanagement.v1",
-    service_yaml = "servicemanagement_v1.yaml",
-    deps = [
-        ":servicemanagement_py_grpc",
-        ":servicemanagement_py_proto",
-    ],
 )
 
 # Open Source Packages
@@ -216,8 +174,6 @@ py_gapic_assembly_pkg(
     name = "api-servicemanagement-v1-py",
     deps = [
         ":servicemanagement_py_gapic",
-        ":servicemanagement_py_grpc",
-        ":servicemanagement_py_proto",
     ],
 )