diff --git a/backend/infrahub/graphql/resolver.py b/backend/infrahub/graphql/resolver.py
index 3b1eb92fd7..bbbe639a04 100644
--- a/backend/infrahub/graphql/resolver.py
+++ b/backend/infrahub/graphql/resolver.py
@@ -17,7 +17,7 @@
     from infrahub.graphql import GraphqlContext
 
 
-async def default_resolver(*args: Any, **kwargs):
+async def default_resolver(*args: Any, **kwargs) -> dict | list[dict] | None:
     """Not sure why but the default resolver returns sometime 4 positional args and sometime 2.
 
     When it returns 4, they are organized as follow
diff --git a/backend/infrahub/graphql/utils.py b/backend/infrahub/graphql/utils.py
index 448d7ace0e..48b15de931 100644
--- a/backend/infrahub/graphql/utils.py
+++ b/backend/infrahub/graphql/utils.py
@@ -69,7 +69,7 @@ def selected_field_names_fast(
     return selected_field_names(selection_set, context, runtime_type)
 
 
-def selected_field_names_naive(selection_set: SelectionSetNode):
+def selected_field_names_naive(selection_set: SelectionSetNode) -> list:
     """Get the list of field names that are selected at the current level. Does not include nested names.
 
     Limitations:
diff --git a/pyproject.toml b/pyproject.toml
index 6e1458e7ef..eff6ef414b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -595,13 +595,6 @@ max-complexity = 33
     "ANN401", # Dynamically typed expressions (typing.Any) are disallowed
 ]
 
-"backend/infrahub/graphql/resolver.py" = [
-    ##################################################################################################
-    # Review and change the below later                                                              #
-    ##################################################################################################
-    "ANN201", # Missing return type annotation for public function
-]
-
 "backend/infrahub/graphql/schema.py" = [
     ##################################################################################################
     # Review and change the below later                                                              #
@@ -609,13 +602,6 @@ max-complexity = 33
     "ANN201", # Missing return type annotation for public function
 ]
 
-"backend/infrahub/graphql/utils.py" = [
-    ##################################################################################################
-    # Review and change the below later                                                              #
-    ##################################################################################################
-    "ANN201", # Missing return type annotation for public function
-]
-
 "backend/tests/**.py" = [
     "S101", # Use of assert detected
     "S105", #  Possible hardcoded password assigned to variable