diff --git a/grain/_src/core/monitoring.py b/grain/_src/core/monitoring.py
index 68b3fe3f0..d98147479 100644
--- a/grain/_src/core/monitoring.py
+++ b/grain/_src/core/monitoring.py
@@ -11,6 +11,7 @@ class Units(enum.Enum):
   MILLISECONDS = enum.auto()
 
 
+# pylint: disable=invalid-name
 class NoOpMetric:
   """Grain metric no-op implementation."""
 
@@ -40,6 +41,7 @@ def __init__(self, *args, **kwargs):
     del args, kwargs
 
 
+# pylint: disable=invalid-name
 class Bucketer:
   """Grain metric no-op bucketer."""