diff --git a/ormar/fields/base.py b/ormar/fields/base.py
index 7f6cee669..79a43561e 100644
--- a/ormar/fields/base.py
+++ b/ormar/fields/base.py
@@ -1,8 +1,7 @@
 import warnings
-from typing import TYPE_CHECKING, Any, Dict, List, Optional, Type, Union
+from typing import TYPE_CHECKING, Any, Dict, List, Optional, Type, Union, Sequence
 
 import sqlalchemy
-from pydantic import typing
 from pydantic.fields import FieldInfo, _Unset
 
 import ormar  # noqa I101
@@ -15,6 +14,11 @@
 
 if TYPE_CHECKING:  # pragma no cover
     from ormar.models import Model, NewBaseModel
+    from pydantic.fields import FieldInfo
+
+    delattr(FieldInfo, "exclude")
+else:
+    from pydantic.fields import FieldInfo
 
 
 class BaseField(FieldInfo):
@@ -54,7 +58,7 @@ def __init__(self, **kwargs: Any) -> None:
                 "https://collerek.github.io/ormar/fields/pydantic-fields",
                 DeprecationWarning,
             )
-        self.choices: typing.Sequence = kwargs.pop("choices", False)
+        self.choices: Sequence = kwargs.pop("choices", False)
 
         self.virtual: bool = kwargs.pop(
             "virtual", None
diff --git a/ormar/fields/many_to_many.py b/ormar/fields/many_to_many.py
index 2739eda60..c80e4759d 100644
--- a/ormar/fields/many_to_many.py
+++ b/ormar/fields/many_to_many.py
@@ -25,10 +25,7 @@
     from ormar.models import Model, T
     from ormar.relations.relation_proxy import RelationProxy
 
-    if sys.version_info < (3, 7):
-        ToType = Type["T"]
-    else:
-        ToType = Union[Type["T"], "ForwardRef"]
+    ToType = Union[Type["T"], "ForwardRef"]
 
 REF_PREFIX = "#/components/schemas/"
 
diff --git a/ormar/models/ormar_config.py b/ormar/models/ormar_config.py
index 4130fa318..c2a825415 100644
--- a/ormar/models/ormar_config.py
+++ b/ormar/models/ormar_config.py
@@ -14,7 +14,7 @@
 
 class OrmarConfig:
 
-    if TYPE_CHECKING:
+    if TYPE_CHECKING:  # pragma: no cover
         pkname: str
         metadata: sqlalchemy.MetaData
         database: databases.Database