diff --git a/alphafold/common/protein_test.py b/alphafold/common/protein_test.py
index c480ab6..c436ad1 100644
--- a/alphafold/common/protein_test.py
+++ b/alphafold/common/protein_test.py
@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Tests for protein."""
-
 import os
 
 from absl.testing import absltest
diff --git a/alphafold/model/base_config_test.py b/alphafold/model/base_config_test.py
index 523c4b3..3ae3b60 100644
--- a/alphafold/model/base_config_test.py
+++ b/alphafold/model/base_config_test.py
@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Tests for config classes."""
-
 import dataclasses
 from unittest import mock
 
diff --git a/alphafold/model/layer_stack_test.py b/alphafold/model/layer_stack_test.py
index 679004e..3053eec 100644
--- a/alphafold/model/layer_stack_test.py
+++ b/alphafold/model/layer_stack_test.py
@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Tests for layer_stack."""
-
 import functools
 from absl.testing import absltest
 from absl.testing import parameterized
diff --git a/alphafold/model/lddt_test.py b/alphafold/model/lddt_test.py
index 3a5a799..636eae3 100644
--- a/alphafold/model/lddt_test.py
+++ b/alphafold/model/lddt_test.py
@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Tests for lddt."""
-
 from absl.testing import absltest
 from absl.testing import parameterized
 from alphafold.model import lddt
diff --git a/alphafold/model/prng_test.py b/alphafold/model/prng_test.py
index b6431df..58befc5 100644
--- a/alphafold/model/prng_test.py
+++ b/alphafold/model/prng_test.py
@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Tests for prng."""
-
 from absl.testing import absltest
 from alphafold.model import prng
 import jax
diff --git a/alphafold/model/quat_affine_test.py b/alphafold/model/quat_affine_test.py
index 9bfbc0c..bc05bdf 100644
--- a/alphafold/model/quat_affine_test.py
+++ b/alphafold/model/quat_affine_test.py
@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Tests for quat_affine."""
-
 from absl import logging
 from absl.testing import absltest
 from alphafold.model import quat_affine
diff --git a/alphafold/model/tf/protein_features_test.py b/alphafold/model/tf/protein_features_test.py
index 5281bbe..7091a45 100644
--- a/alphafold/model/tf/protein_features_test.py
+++ b/alphafold/model/tf/protein_features_test.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Tests for protein_features."""
 import uuid
 
 from absl.testing import absltest
diff --git a/alphafold/model/tf/shape_helpers_test.py b/alphafold/model/tf/shape_helpers_test.py
index 16c032b..ab8aa1c 100644
--- a/alphafold/model/tf/shape_helpers_test.py
+++ b/alphafold/model/tf/shape_helpers_test.py
@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Tests for shape_helpers."""
-
 from alphafold.model.tf import shape_helpers
 import numpy as np
 import tensorflow.compat.v1 as tf
diff --git a/alphafold/notebooks/notebook_utils_test.py b/alphafold/notebooks/notebook_utils_test.py
index 1587622..55f7d4b 100644
--- a/alphafold/notebooks/notebook_utils_test.py
+++ b/alphafold/notebooks/notebook_utils_test.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Tests for notebook_utils."""
 import io
 from unittest import mock
 
diff --git a/alphafold/relax/amber_minimize_test.py b/alphafold/relax/amber_minimize_test.py
index cfdd5f2..bd31bbd 100644
--- a/alphafold/relax/amber_minimize_test.py
+++ b/alphafold/relax/amber_minimize_test.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Tests for amber_minimize."""
 import os
 
 from absl.testing import absltest
diff --git a/alphafold/relax/cleanup_test.py b/alphafold/relax/cleanup_test.py
index 762f1fc..8884b3c 100644
--- a/alphafold/relax/cleanup_test.py
+++ b/alphafold/relax/cleanup_test.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Tests for relax.cleanup."""
 import io
 
 from absl.testing import absltest
diff --git a/alphafold/relax/relax_test.py b/alphafold/relax/relax_test.py
index 77d600a..cc4e638 100644
--- a/alphafold/relax/relax_test.py
+++ b/alphafold/relax/relax_test.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Tests for relax."""
 import os
 
 from absl.testing import absltest
diff --git a/alphafold/relax/utils_test.py b/alphafold/relax/utils_test.py
index 69f626e..72f1eb2 100644
--- a/alphafold/relax/utils_test.py
+++ b/alphafold/relax/utils_test.py
@@ -12,8 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Tests for utils."""
-
 import os
 
 from absl.testing import absltest