diff --git a/official/core/train_lib.py b/official/core/train_lib.py
index 837d4d6cda9..c34ee295347 100644
--- a/official/core/train_lib.py
+++ b/official/core/train_lib.py
@@ -18,8 +18,6 @@
 import tempfile
 from typing import Any, List, Mapping, Optional, Tuple
 
-# Import libraries
-
 from absl import logging
 import orbit
 import tensorflow as tf, tf_keras
diff --git a/official/legacy/image_classification/mnist_main.py b/official/legacy/image_classification/mnist_main.py
index 5f80ba55849..5105077791b 100644
--- a/official/legacy/image_classification/mnist_main.py
+++ b/official/legacy/image_classification/mnist_main.py
@@ -19,7 +19,6 @@
 
 import os
 
-# Import libraries
 from absl import app
 from absl import flags
 from absl import logging
diff --git a/official/nlp/tools/export_tfhub_lib.py b/official/nlp/tools/export_tfhub_lib.py
index c1dfd7007b7..18cb751ca04 100644
--- a/official/nlp/tools/export_tfhub_lib.py
+++ b/official/nlp/tools/export_tfhub_lib.py
@@ -21,7 +21,6 @@
 
 from typing import Optional, Text, Tuple
 
-# Import libraries
 from absl import logging
 import tensorflow as tf, tf_keras
 # pylint: disable=g-direct-tensorflow-import  TODO(b/175369555): Remove these.
diff --git a/official/projects/const_cl/modeling/backbones/resnet_3d_test.py b/official/projects/const_cl/modeling/backbones/resnet_3d_test.py
index 073927e76ab..4e22de7d379 100644
--- a/official/projects/const_cl/modeling/backbones/resnet_3d_test.py
+++ b/official/projects/const_cl/modeling/backbones/resnet_3d_test.py
@@ -14,7 +14,6 @@
 
 """Tests for resnet."""
 
-# Import libraries
 from absl.testing import parameterized
 import tensorflow as tf, tf_keras
 
diff --git a/official/projects/edgetpu/vision/dataloaders/classification_input.py b/official/projects/edgetpu/vision/dataloaders/classification_input.py
index 28b6e1920cf..d94afb8fbc4 100644
--- a/official/projects/edgetpu/vision/dataloaders/classification_input.py
+++ b/official/projects/edgetpu/vision/dataloaders/classification_input.py
@@ -13,7 +13,6 @@
 # limitations under the License.
 
 """Classification decoder and parser."""
-# Import libraries
 import tensorflow as tf, tf_keras
 
 from official.vision.dataloaders import classification_input
diff --git a/official/projects/edgetpu/vision/modeling/heads/bifpn_head.py b/official/projects/edgetpu/vision/modeling/heads/bifpn_head.py
index 9f2f41e6313..2f68c04c9e6 100644
--- a/official/projects/edgetpu/vision/modeling/heads/bifpn_head.py
+++ b/official/projects/edgetpu/vision/modeling/heads/bifpn_head.py
@@ -17,8 +17,6 @@
 import itertools
 
 from typing import Text, Optional
-# Import libraries
-
 from absl import logging
 import numpy as np
 import tensorflow as tf, tf_keras
diff --git a/official/projects/labse/export_tfhub_test.py b/official/projects/labse/export_tfhub_test.py
index 6e02a1f25fb..c95b670b8e4 100644
--- a/official/projects/labse/export_tfhub_test.py
+++ b/official/projects/labse/export_tfhub_test.py
@@ -16,7 +16,6 @@
 
 import os
 
-# Import libraries
 import numpy as np
 import tensorflow as tf, tf_keras
 import tensorflow_hub as hub