diff --git a/google/api/expr/v1alpha1/BUILD.bazel b/google/api/expr/v1alpha1/BUILD.bazel
index 63c31ed4..95ee8b65 100644
--- a/google/api/expr/v1alpha1/BUILD.bazel
+++ b/google/api/expr/v1alpha1/BUILD.bazel
@@ -223,8 +223,9 @@ cc_proto_library(
 cc_grpc_library(
     name = "cel_service_cc_grpc",
     srcs = [":cel_service_proto"],
-    deps = [":cel_service_cc_proto"],
+    generate_mocks = True,
     grpc_only = True,
+    deps = [":cel_service_cc_proto"],
 )
 
 cc_proto_library(
@@ -240,8 +241,9 @@ cc_proto_library(
 cc_grpc_library(
     name = "conformance_service_cc_grpc",
     srcs = [":conformance_service_proto"],
-    deps = [":conformance_service_cc_proto"],
+    generate_mocks = True,
     grpc_only = True,
+    deps = [":conformance_service_cc_proto"],
 )
 
 cc_proto_library(
diff --git a/google/cloud/bigquery/storage/v1beta1/BUILD.bazel b/google/cloud/bigquery/storage/v1beta1/BUILD.bazel
index 1f3c4828..27e30f9c 100644
--- a/google/cloud/bigquery/storage/v1beta1/BUILD.bazel
+++ b/google/cloud/bigquery/storage/v1beta1/BUILD.bazel
@@ -9,8 +9,8 @@ load("@com_google_googleapis_imports//:imports.bzl", "proto_library_with_info")
 proto_library(
     name = "bigquerystorage_proto",
     srcs = [
-        "avro.proto",
         "arrow.proto",
+        "avro.proto",
         "read_options.proto",
         "storage.proto",
         "table_reference.proto",
@@ -166,6 +166,7 @@ cc_proto_library(
 cc_grpc_library(
     name = "bigquerystorage_cc_grpc",
     srcs = [":bigquerystorage_proto"],
-    deps = [":bigquerystorage_cc_proto"],
+    generate_mocks = True,
     grpc_only = True,
+    deps = [":bigquerystorage_cc_proto"],
 )
diff --git a/google/cloud/vision/v1/BUILD.bazel b/google/cloud/vision/v1/BUILD.bazel
index 2287530d..455908be 100644
--- a/google/cloud/vision/v1/BUILD.bazel
+++ b/google/cloud/vision/v1/BUILD.bazel
@@ -181,6 +181,7 @@ cc_proto_library(
 cc_grpc_library(
     name = "vision_cc_grpc",
     srcs = [":vision_proto"],
+    generate_mocks = True,
     grpc_only = True,
     deps = [":vision_cc_proto"],
 )
diff --git a/google/devtools/cloudtrace/v2/BUILD.bazel b/google/devtools/cloudtrace/v2/BUILD.bazel
index 7b0b77dc..93e46a7e 100644
--- a/google/devtools/cloudtrace/v2/BUILD.bazel
+++ b/google/devtools/cloudtrace/v2/BUILD.bazel
@@ -162,6 +162,7 @@ cc_proto_library(
 cc_grpc_library(
     name = "trace_cc_grpc",
     srcs = [":trace_proto"],
-    deps = [":trace_cc_proto"],
+    generate_mocks = True,
     grpc_only = True,
+    deps = [":trace_cc_proto"],
 )
diff --git a/google/logging/v2/BUILD.bazel b/google/logging/v2/BUILD.bazel
index 87e4401f..b3051aa9 100644
--- a/google/logging/v2/BUILD.bazel
+++ b/google/logging/v2/BUILD.bazel
@@ -203,6 +203,7 @@ cc_proto_library(
 cc_grpc_library(
     name = "logging_cc_grpc",
     srcs = [":logging_proto"],
-    deps = [":logging_cc_proto"],
+    generate_mocks = True,
     grpc_only = True,
+    deps = [":logging_cc_proto"],
 )
diff --git a/google/monitoring/v3/BUILD.bazel b/google/monitoring/v3/BUILD.bazel
index 8294d525..1f7d9f01 100644
--- a/google/monitoring/v3/BUILD.bazel
+++ b/google/monitoring/v3/BUILD.bazel
@@ -197,6 +197,7 @@ cc_proto_library(
 cc_grpc_library(
     name = "monitoring_cc_grpc",
     srcs = [":monitoring_proto"],
-    deps = [":monitoring_cc_proto"],
+    generate_mocks = True,
     grpc_only = True,
+    deps = [":monitoring_cc_proto"],
 )