diff --git a/mediapipe/calculators/audio/BUILD b/mediapipe/calculators/audio/BUILD
index 369c121e3..c8c06e27f 100644
--- a/mediapipe/calculators/audio/BUILD
+++ b/mediapipe/calculators/audio/BUILD
@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# Placeholder: load py_proto_library
 load("//mediapipe/framework/port:build_config.bzl", "mediapipe_cc_proto_library")
 
 licenses(["notice"])
diff --git a/mediapipe/calculators/tensorflow/BUILD b/mediapipe/calculators/tensorflow/BUILD
index 78da0934c..dd2870e09 100644
--- a/mediapipe/calculators/tensorflow/BUILD
+++ b/mediapipe/calculators/tensorflow/BUILD
@@ -13,6 +13,7 @@
 # limitations under the License.
 #
 
+# Placeholder: load py_proto_library
 load("//mediapipe/framework/port:build_config.bzl", "mediapipe_cc_proto_library", "mediapipe_proto_library")
 
 licenses(["notice"])
diff --git a/mediapipe/examples/desktop/media_sequence/BUILD b/mediapipe/examples/desktop/media_sequence/BUILD
index 1a88aa109..31cae8a33 100644
--- a/mediapipe/examples/desktop/media_sequence/BUILD
+++ b/mediapipe/examples/desktop/media_sequence/BUILD
@@ -12,6 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# Placeholder: load py_library
+# Placeholder: load py_binary
+
 licenses(["notice"])
 
 package(default_visibility = ["//mediapipe/examples:__subpackages__"])
diff --git a/mediapipe/examples/desktop/youtube8m/BUILD b/mediapipe/examples/desktop/youtube8m/BUILD
index e0e44c4d9..4194e2332 100644
--- a/mediapipe/examples/desktop/youtube8m/BUILD
+++ b/mediapipe/examples/desktop/youtube8m/BUILD
@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# Placeholder: load py_binary
+
 licenses(["notice"])
 
 cc_binary(
diff --git a/mediapipe/examples/ios/BUILD b/mediapipe/examples/ios/BUILD
index fd611a615..1aed02282 100644
--- a/mediapipe/examples/ios/BUILD
+++ b/mediapipe/examples/ios/BUILD
@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# Placeholder: load py_test
+
 licenses(["notice"])
 
 package(default_visibility = ["//visibility:public"])
diff --git a/mediapipe/framework/api2/BUILD b/mediapipe/framework/api2/BUILD
index 8a3946899..99afd824e 100644
--- a/mediapipe/framework/api2/BUILD
+++ b/mediapipe/framework/api2/BUILD
@@ -1,3 +1,5 @@
+# Placeholder: load py_test
+
 package(
     default_visibility = ["//visibility:public"],
     features = ["-use_header_modules"],
diff --git a/mediapipe/tasks/python/metadata/BUILD b/mediapipe/tasks/python/metadata/BUILD
index 07805ec61..720cbad46 100644
--- a/mediapipe/tasks/python/metadata/BUILD
+++ b/mediapipe/tasks/python/metadata/BUILD
@@ -1,3 +1,5 @@
+# Placeholder: load py_library
+# Placeholder: load py_binary
 load("//mediapipe/tasks/metadata:build_defs.bzl", "stamp_metadata_parser_version")
 
 package(
diff --git a/mediapipe/tasks/python/metadata/metadata_writers/BUILD b/mediapipe/tasks/python/metadata/metadata_writers/BUILD
index e86254f28..6528f5ce4 100644
--- a/mediapipe/tasks/python/metadata/metadata_writers/BUILD
+++ b/mediapipe/tasks/python/metadata/metadata_writers/BUILD
@@ -1,3 +1,4 @@
+# Placeholder: load py_library
 # Placeholder for internal Python strict library and test compatibility macro.
 
 package(
diff --git a/mediapipe/tasks/python/test/metadata/BUILD b/mediapipe/tasks/python/test/metadata/BUILD
index 2cdc7e63a..ba72daf93 100644
--- a/mediapipe/tasks/python/test/metadata/BUILD
+++ b/mediapipe/tasks/python/test/metadata/BUILD
@@ -1,3 +1,5 @@
+# Placeholder: load py_test
+
 package(
     default_visibility = [
         "//visibility:public",
diff --git a/mediapipe/tasks/python/vision/BUILD b/mediapipe/tasks/python/vision/BUILD
index 958cf0e0d..0c1d42297 100644
--- a/mediapipe/tasks/python/vision/BUILD
+++ b/mediapipe/tasks/python/vision/BUILD
@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# Placeholder: load py_library
 # Placeholder for internal Python strict library and test compatibility macro.
 
 package(default_visibility = ["//visibility:public"])
diff --git a/mediapipe/util/BUILD b/mediapipe/util/BUILD
index ecedeedb2..9cf6f023f 100644
--- a/mediapipe/util/BUILD
+++ b/mediapipe/util/BUILD
@@ -11,7 +11,8 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
+
+# Placeholder: load py_library
 load("//mediapipe/framework/port:build_config.bzl", "mediapipe_proto_library")
 load("//mediapipe/framework:mediapipe_cc_test.bzl", "mediapipe_cc_test")
 
diff --git a/mediapipe/util/sequence/BUILD b/mediapipe/util/sequence/BUILD
index 41611d27c..c7ee52f82 100644
--- a/mediapipe/util/sequence/BUILD
+++ b/mediapipe/util/sequence/BUILD
@@ -13,6 +13,9 @@
 # limitations under the License.
 #
 
+# Placeholder: load py_library
+# Placeholder: load py_test
+
 licenses(["notice"])
 
 package(default_visibility = ["//visibility:private"])