diff --git a/google/cloud/functions/v1/BUILD.bazel b/google/cloud/functions/v1/BUILD.bazel
index 0b0023d4..0adb574f 100644
--- a/google/cloud/functions/v1/BUILD.bazel
+++ b/google/cloud/functions/v1/BUILD.bazel
@@ -50,66 +50,62 @@ proto_library_with_info(
 ##############################################################################
 # Java
 ##############################################################################
-#
-# NOTE: Java generation is disabled since the resulting code generated by
-# https://github.com/googleapis/gapic-generator does not compile properly.
-# TODO(fenster,miraleung): enable Java when gapic-generator-java is ready.
-#
-# load(
-#     "@com_google_googleapis_imports//:imports.bzl",
-#     "java_gapic_assembly_gradle_pkg",
-#     "java_gapic_library",
-#     "java_gapic_test",
-#     "java_grpc_library",
-#     "java_proto_library",
-# )
 
-# java_proto_library(
-#     name = "functions_java_proto",
-#     deps = [":functions_proto"],
-# )
+load(
+    "@com_google_googleapis_imports//:imports.bzl",
+    "java_gapic_assembly_gradle_pkg",
+    "java_gapic_library",
+    "java_gapic_test",
+    "java_grpc_library",
+    "java_proto_library",
+)
 
-# java_grpc_library(
-#     name = "functions_java_grpc",
-#     srcs = [":functions_proto"],
-#     deps = [":functions_java_proto"],
-# )
+java_proto_library(
+    name = "functions_java_proto",
+    deps = [":functions_proto"],
+)
 
-# java_gapic_library(
-#     name = "functions_java_gapic",
-#     src = ":functions_proto_with_info",
-#     gapic_yaml = "functions_gapic.yaml",
-#     grpc_service_config = "functions_grpc_service_config.json",
-#     package = "google.cloud.functions.v1",
-#     service_yaml = "cloudfunctions_v1.yaml",
-#     test_deps = [
-#         ":functions_java_grpc",
-#         "//google/iam/v1:iam_java_grpc",
-#     ],
-#     deps = [
-#         ":functions_java_proto",
-#         "//google/iam/v1:iam_java_proto",
-#     ],
-# )
+java_grpc_library(
+    name = "functions_java_grpc",
+    srcs = [":functions_proto"],
+    deps = [":functions_java_proto"],
+)
 
-# java_gapic_test(
-#     name = "functions_java_gapic_test_suite",
-#     test_classes = [
-#         "com.google.cloud.functions.v1.CloudFunctionsServiceClientTest",
-#     ],
-#     runtime_deps = [":functions_java_gapic_test"],
-# )
+java_gapic_library(
+    name = "functions_java_gapic",
+    src = ":functions_proto_with_info",
+    gapic_yaml = "functions_gapic.yaml",
+    grpc_service_config = "functions_grpc_service_config.json",
+    package = "google.cloud.functions.v1",
+    service_yaml = "cloudfunctions_v1.yaml",
+    test_deps = [
+        ":functions_java_grpc",
+        "//google/iam/v1:iam_java_grpc",
+    ],
+    deps = [
+        ":functions_java_proto",
+        "//google/iam/v1:iam_java_proto",
+    ],
+)
 
-# # Open Source Packages
-# java_gapic_assembly_gradle_pkg(
-#     name = "google-cloud-functions-v1-java",
-#     deps = [
-#         ":functions_java_gapic",
-#         ":functions_java_grpc",
-#         ":functions_java_proto",
-#         ":functions_proto",
-#     ],
-# )
+java_gapic_test(
+    name = "functions_java_gapic_test_suite",
+    test_classes = [
+        "com.google.cloud.functions.v1.CloudFunctionsServiceClientTest",
+    ],
+    runtime_deps = [":functions_java_gapic_test"],
+)
+
+# Open Source Packages
+java_gapic_assembly_gradle_pkg(
+    name = "google-cloud-functions-v1-java",
+    deps = [
+        ":functions_java_gapic",
+        ":functions_java_grpc",
+        ":functions_java_proto",
+        ":functions_proto",
+    ],
+)
 
 ##############################################################################
 # Go