diff --git a/.pylintrc b/.pylintrc
index f457ac5..0c30195 100644
--- a/.pylintrc
+++ b/.pylintrc
@@ -11,7 +11,6 @@ disable=fixme,
         missing-function-docstring,
         missing-module-docstring,
         no-member,
-        singleton-comparison,
         super-init-not-called,
         too-many-locals,
         too-many-nested-blocks,
diff --git a/src/wuttaweb/grids/filters.py b/src/wuttaweb/grids/filters.py
index e27cd5e..984952a 100644
--- a/src/wuttaweb/grids/filters.py
+++ b/src/wuttaweb/grids/filters.py
@@ -446,7 +446,7 @@ class AlchemyFilter(GridFilter):
         # probably does not expect that, so explicitly include them.
         return query.filter(
             sa.or_(
-                self.model_property == None,
+                self.model_property == None,  # pylint: disable=singleton-comparison
                 self.model_property != value,
             )
         )
@@ -491,14 +491,18 @@ class AlchemyFilter(GridFilter):
         """
         Filter data with an ``IS NULL`` query.  The value is ignored.
         """
-        return query.filter(self.model_property == None)
+        return query.filter(
+            self.model_property == None  # pylint: disable=singleton-comparison
+        )
 
     def filter_is_not_null(self, query, value):  # pylint: disable=unused-argument
         """
         Filter data with an ``IS NOT NULL`` query.  The value is
         ignored.
         """
-        return query.filter(self.model_property != None)
+        return query.filter(
+            self.model_property != None  # pylint: disable=singleton-comparison
+        )
 
 
 class StringAlchemyFilter(AlchemyFilter):
@@ -550,7 +554,12 @@ class StringAlchemyFilter(AlchemyFilter):
 
         # sql probably excludes null values from results, but user
         # probably does not expect that, so explicitly include them.
-        return query.filter(sa.or_(self.model_property == None, sa.and_(*criteria)))
+        return query.filter(
+            sa.or_(
+                self.model_property == None,  # pylint: disable=singleton-comparison
+                sa.and_(*criteria),
+            )
+        )
 
 
 class NumericAlchemyFilter(AlchemyFilter):
@@ -628,14 +637,18 @@ class BooleanAlchemyFilter(AlchemyFilter):
         Filter data with an "is true" condition.  The value is
         ignored.
         """
-        return query.filter(self.model_property == True)
+        return query.filter(
+            self.model_property == True  # pylint: disable=singleton-comparison
+        )
 
     def filter_is_false(self, query, value):  # pylint: disable=unused-argument
         """
         Filter data with an "is false" condition.  The value is
         ignored.
         """
-        return query.filter(self.model_property == False)
+        return query.filter(
+            self.model_property == False  # pylint: disable=singleton-comparison
+        )
 
     def filter_is_false_null(self, query, value):  # pylint: disable=unused-argument
         """
@@ -643,7 +656,10 @@ class BooleanAlchemyFilter(AlchemyFilter):
         ignored.
         """
         return query.filter(
-            sa.or_(self.model_property == False, self.model_property == None)
+            sa.or_(
+                self.model_property == False,  # pylint: disable=singleton-comparison
+                self.model_property == None,  # pylint: disable=singleton-comparison
+            )
         )