diff --git a/tensorflow_privacy/privacy/bolt_on/losses.py b/tensorflow_privacy/privacy/bolt_on/losses.py
index ea18ae0..d70b111 100644
--- a/tensorflow_privacy/privacy/bolt_on/losses.py
+++ b/tensorflow_privacy/privacy/bolt_on/losses.py
@@ -25,7 +25,7 @@ from tensorflow.compat.v1.python.keras.utils import losses_utils
 from tensorflow.compat.v1.python.platform import tf_logging as logging
 
 
-class StrongConvexMixin:  # pylint: disable=old-style-class
+class StrongConvexMixin:
   """Strong Convex Mixin base class.
 
   Strong Convex Mixin base class for any loss function that will be used with