diff --git a/Makefile b/Makefile
index 2d80d56af..29fab21d1 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@ test:
 	pytest
 
 coverage:
-	pytest --cov=ormar --cov=tests --cov-fail-under=100 --cov-report=term-missing
+	pytest --cov=ormar --cov=tests --cov-fail-under=100 --cov-report=term-missing tests
 
 type_check:
 	mkdir -p .mypy_cache && poetry run python -m mypy . --ignore-missing-imports --install-types --non-interactive
diff --git a/ormar/fields/foreign_key.py b/ormar/fields/foreign_key.py
index b6c63cbf2..f9c75e9b1 100644
--- a/ormar/fields/foreign_key.py
+++ b/ormar/fields/foreign_key.py
@@ -365,9 +365,9 @@ def default_source_field_name(self) -> str:
     def _evaluate_forward_ref(self,  globalns: Any, localns: Any, is_through: bool = False) -> None:
         target = "through" if is_through else "to"
         target_obj = getattr(self, target)
-        if sys.version_info.minor <= 8:
+        if sys.version_info.minor <= 8:  # pragma: no cover
             evaluated = target_obj._evaluate(globalns, localns)
-        else:
+        else: # pragma: no cover
             evaluated = target_obj._evaluate(globalns, localns, set())
         setattr(self, target, evaluated)
 
diff --git a/ormar/fields/parsers.py b/ormar/fields/parsers.py
index dcc3f6cbe..c885e954b 100644
--- a/ormar/fields/parsers.py
+++ b/ormar/fields/parsers.py
@@ -31,7 +31,15 @@ def encode_decimal(value: decimal.Decimal, precision: int = None) -> float:
     return float(value)
 
 
-def encode_bytes(value: Union[str, bytes], represent_as_string: bool = False) -> bytes:
+def encode_bytes(value: Union[str, bytes], represent_as_string: bool = False) -> str:
+    if represent_as_string:
+        value = value if isinstance(value, str) else base64.b64encode(value).decode("utf-8")
+    else:
+        value = value if isinstance(value, str) else value.decode("utf-8")
+    return value
+
+
+def decode_bytes(value: str, represent_as_string: bool = False) -> bytes:
     if represent_as_string:
         value = value if isinstance(value, bytes) else base64.b64decode(value)
     else:
@@ -74,6 +82,11 @@ def re_dump_value(value: str) -> Union[str, bytes]:
 
 SQL_ENCODERS_MAP: Dict[type, Callable] = {bool: encode_bool, **ENCODERS_MAP}
 
+ADDITIONAL_PARAMETERS_MAP: Dict[type, str] = {
+    bytes: "",
+    decimal.Decimal: "precision"
+}
+
 
 DECODERS_MAP = {
     bool: parse_bool,
@@ -82,4 +95,5 @@ def re_dump_value(value: str) -> Union[str, bytes]:
     datetime.time: SchemaValidator(core_schema.time_schema()).validate_python,
     pydantic.Json: json.loads,
     decimal.Decimal: decimal.Decimal,
+    bytes: decode_bytes,
 }
diff --git a/ormar/fields/sqlalchemy_encrypted.py b/ormar/fields/sqlalchemy_encrypted.py
index 90518e33a..fe5d92f9c 100644
--- a/ormar/fields/sqlalchemy_encrypted.py
+++ b/ormar/fields/sqlalchemy_encrypted.py
@@ -162,7 +162,10 @@ def process_bind_param(self, value: Any, dialect: Dialect) -> Optional[str]:
         except AttributeError:
             encoder = ormar.SQL_ENCODERS_MAP.get(self.type_, None)
             if encoder:
-                value = encoder(value)  # type: ignore
+                if self.type_ == bytes:
+                    value = encoder(value, self._field_type.represent_as_base64_str)
+                else:
+                    value = encoder(value)  # type: ignore
 
         encrypted_value = self.backend.encrypt(value)
         return encrypted_value
@@ -177,6 +180,8 @@ def process_result_value(self, value: Any, dialect: Dialect) -> Any:
         except AttributeError:
             decoder = ormar.DECODERS_MAP.get(self.type_, None)
             if decoder:
+                if self.type_ == bytes:
+                    return decoder(decrypted_value, self._field_type.represent_as_base64_str)
                 return decoder(decrypted_value)  # type: ignore
 
             return self._field_type.__type__(decrypted_value)  # type: ignore
diff --git a/ormar/models/descriptors/descriptors.py b/ormar/models/descriptors/descriptors.py
index f8ea6043f..ff788edbe 100644
--- a/ormar/models/descriptors/descriptors.py
+++ b/ormar/models/descriptors/descriptors.py
@@ -1,7 +1,7 @@
 import base64
 from typing import TYPE_CHECKING, Any, List, Type
 
-from ormar.fields.parsers import encode_json
+from ormar.fields.parsers import encode_json, decode_bytes
 
 if TYPE_CHECKING:  # pragma: no cover
     from ormar import Model
@@ -65,10 +65,7 @@ def __get__(self, instance: "Model", owner: Type["Model"]) -> Any:
     def __set__(self, instance: "Model", value: Any) -> None:
         field = instance.ormar_config.model_fields[self.name]
         if isinstance(value, str):
-            if field.represent_as_base64_str:
-                value = base64.b64decode(value)
-            else:
-                value = value.encode("utf-8")
+            value = decode_bytes(value=value, represent_as_string=field.represent_as_base64_str)
         instance._internal_set(self.name, value)
         instance.set_save_status(False)
 
diff --git a/ormar/models/helpers/relations.py b/ormar/models/helpers/relations.py
index 8ba7f1a4b..886e05a3b 100644
--- a/ormar/models/helpers/relations.py
+++ b/ormar/models/helpers/relations.py
@@ -175,7 +175,7 @@ def serialize(
                 try:
                     serialized = handler([child])
                 except ValueError as exc:
-                    if not str(exc).startswith("Circular reference"):
+                    if not str(exc).startswith("Circular reference"):  # pragma: no cover
                         raise exc
                     result.append({child.ormar_config.pkname: child.pk})
                 else:
diff --git a/ormar/models/helpers/validation.py b/ormar/models/helpers/validation.py
index 71129bed2..f3a08adf0 100644
--- a/ormar/models/helpers/validation.py
+++ b/ormar/models/helpers/validation.py
@@ -21,7 +21,6 @@
 
 import pydantic
 
-import ormar  # noqa: I100, I202
 from ormar.models.helpers.models import config_field_not_set
 from ormar.queryset.utils import translate_list_to_dict
 
@@ -30,33 +29,6 @@
     from ormar.fields import BaseField
 
 
-def convert_value_if_needed(field: "BaseField", value: Any) -> Any:
-    """
-    Converts dates to isoformat as fastapi can check this condition in routes
-    and the fields are not yet parsed.
-    Converts enums to list of it's values.
-    Converts uuids to strings.
-    Converts decimal to float with given scale.
-
-    :param field: ormar field to check with choices
-    :type field: BaseField
-    :param value: current values of the model to verify
-    :type value: Any
-    :return: value, choices list
-    :rtype: Any
-    """
-    encoder = ormar.ENCODERS_MAP.get(field.__type__, lambda x: x)
-    if field.__type__ == decimal.Decimal:
-        precision = field.scale  # type: ignore
-        value = encoder(value, precision)
-    elif field.__type__ == bytes:
-        represent_as_string = field.represent_as_base64_str
-        value = encoder(value, represent_as_string)
-    elif encoder:
-        value = encoder(value)
-    return value
-
-
 def generate_model_example(model: Type["Model"], relation_map: Dict = None) -> Dict:
     """
     Generates example to be included in schema in fastapi.
@@ -198,8 +170,6 @@ def overwrite_example_and_description(
     :type model: Type["Model"]
     """
     schema["example"] = generate_model_example(model=model)
-    if "Main base class of ormar Model." in schema.get("description", ""):
-        schema["description"] = f"{model.__name__}"
 
 
 def overwrite_binary_format(schema: Dict[str, Any], model: Type["Model"]) -> None:
@@ -218,36 +188,6 @@ def overwrite_binary_format(schema: Dict[str, Any], model: Type["Model"]) -> Non
             and model.ormar_config.model_fields[field_id].represent_as_base64_str
         ):
             prop["format"] = "base64"
-            if prop.get("enum"):
-                prop["enum"] = [
-                    base64.b64encode(choice).decode() for choice in prop.get("enum", [])
-                ]
-
-
-def construct_modify_schema_function(fields_with_choices: List) -> Callable:
-    """
-    Modifies the schema to include fields with choices validator.
-    Those fields will be displayed in schema as Enum types with available choices
-    values listed next to them.
-
-    Note that schema extra has to be a function, otherwise it's called to soon
-    before all the relations are expanded.
-
-    :param fields_with_choices: list of fields with choices validation
-    :type fields_with_choices: List
-    :return: callable that will be run by pydantic to modify the schema
-    :rtype: Callable
-    """
-
-    def schema_extra(schema: Dict[str, Any], model: Type["Model"]) -> None:
-        for field_id, prop in schema.get("properties", {}).items():
-            if field_id in fields_with_choices:
-                prop["enum"] = list(model.ormar_config.model_fields[field_id].choices)
-                prop["description"] = prop.get("description", "") + "An enumeration."
-        overwrite_example_and_description(schema=schema, model=model)
-        overwrite_binary_format(schema=schema, model=model)
-
-    return staticmethod(schema_extra)  # type: ignore
 
 
 def construct_schema_function_without_choices() -> Callable:
diff --git a/ormar/models/newbasemodel.py b/ormar/models/newbasemodel.py
index 3ae65a4c9..778862a28 100644
--- a/ormar/models/newbasemodel.py
+++ b/ormar/models/newbasemodel.py
@@ -26,7 +26,7 @@
 from ormar.exceptions import ModelError, ModelPersistenceError
 from ormar.fields import BaseField
 from ormar.fields.foreign_key import ForeignKeyField
-from ormar.fields.parsers import encode_json
+from ormar.fields.parsers import encode_json, decode_bytes
 from ormar.models.helpers import register_relation_in_alias_manager
 from ormar.models.helpers.relations import expand_reverse_relationship
 from ormar.models.helpers.sqlalchemy import (
@@ -425,22 +425,6 @@ def __same__(self, other: "NewBaseModel") -> bool:
         else:
             return hash(self) == other.__hash__()
 
-    def _copy_and_set_values(
-        self: "NewBaseModel", values: "DictStrAny", fields_set: "SetStr", *, deep: bool
-    ) -> "NewBaseModel":
-        """
-        Overwrite related models values with dict representation to avoid infinite
-        recursion through related fields.
-        """
-        self_dict = values
-        self_dict.update(self.dict(exclude_list=True))
-        return cast(
-            "NewBaseModel",
-            super()._copy_and_set_values(
-                values=self_dict, fields_set=fields_set, deep=deep
-            ),
-        )
-
     @classmethod
     def get_name(cls, lower: bool = True) -> str:
         """
@@ -989,11 +973,8 @@ def _convert_to_bytes(self, column_name: str, value: Any) -> Union[str, Dict]:
         if column_name not in self._bytes_fields:
             return value
         field = self.ormar_config.model_fields[column_name]
-        if not isinstance(value, bytes) and value is not None:
-            if field.represent_as_base64_str:
-                value = base64.b64decode(value)
-            else:
-                value = value.encode("utf-8")
+        if value is not None:
+            value = decode_bytes(value=value, represent_as_string=field.represent_as_base64_str)
         return value
 
     def _convert_bytes_to_str(self, column_name: str, value: Any) -> Union[str, Dict]:
diff --git a/ormar/queryset/field_accessor.py b/ormar/queryset/field_accessor.py
index 81440e07c..2ff557a21 100644
--- a/ormar/queryset/field_accessor.py
+++ b/ormar/queryset/field_accessor.py
@@ -26,15 +26,6 @@ def __init__(
         self._model = model
         self._access_chain = access_chain
 
-    def __bool__(self) -> bool:
-        """
-        Hack to avoid pydantic name check from parent model, returns false
-
-        :return: False
-        :rtype: bool
-        """
-        return False
-
     def __getattr__(self, item: str) -> Any:
         """
         Accessor return new accessor for each field and nested models.
diff --git a/tests/test_encryption/test_encrypted_columns.py b/tests/test_encryption/test_encrypted_columns.py
index 01546baf4..35e317c4b 100644
--- a/tests/test_encryption/test_encrypted_columns.py
+++ b/tests/test_encryption/test_encrypted_columns.py
@@ -69,6 +69,8 @@ class Author(ormar.Model):
     test_smallint: int = ormar.SmallInteger(default=0, **default_fernet)
     test_decimal = ormar.Decimal(scale=2, precision=10, **default_fernet)
     test_decimal2 = ormar.Decimal(max_digits=10, decimal_places=2, **default_fernet)
+    test_bytes = ormar.LargeBinary(max_length=100, **default_fernet)
+    test_b64bytes = ormar.LargeBinary(max_length=100, represent_as_base64_str=True, **default_fernet)
     custom_backend: str = ormar.String(
         max_length=200,
         encrypt_secret="asda8",
@@ -187,6 +189,8 @@ async def test_save_and_retrieve():
             test_decimal2=decimal.Decimal(5.5),
             test_json=dict(aa=12),
             custom_backend="test12",
+            test_bytes=b"test",
+            test_b64bytes=b"test2"
         ).save()
         author = await Author.objects.get()
 
@@ -209,6 +213,9 @@ async def test_save_and_retrieve():
         assert author.test_decimal == 3.5
         assert author.test_decimal2 == 5.5
         assert author.custom_backend == "test12"
+        assert author.test_bytes == "test".encode("utf-8")
+        assert author.test_b64bytes == "dGVzdDI="
+        assert base64.b64decode(author.test_b64bytes) == b"test2"
 
 
 @pytest.mark.asyncio
diff --git a/tests/test_fastapi/test_skip_reverse_models.py b/tests/test_fastapi/test_skip_reverse_models.py
index e7a8edb2d..4e879e2ff 100644
--- a/tests/test_fastapi/test_skip_reverse_models.py
+++ b/tests/test_fastapi/test_skip_reverse_models.py
@@ -74,15 +74,13 @@ def create_test_database():
     metadata.drop_all(engine)
 
 
-@app.post("/categories/", response_model=Category)
-async def create_category(category: Category):
-    await category.save()
-    await category.save_related(follow=True, save_all=True)
-    return category
+@app.post("/categories/forbid/", response_model=Category2)
+async def create_category_forbid(category: Category2):  # pragma: no cover
+    pass
 
 
-@app.post("/categories/forbid/", response_model=Category2)
-async def create_category_forbid(category: Category2):
+@app.post("/categories/", response_model=Category)
+async def create_category(category: Category):
     await category.save()
     await category.save_related(follow=True, save_all=True)
     return category
diff --git a/tests/test_model_definition/test_model_definition.py b/tests/test_model_definition/test_model_definition.py
index 82ce8c96b..57fd521c5 100644
--- a/tests/test_model_definition/test_model_definition.py
+++ b/tests/test_model_definition/test_model_definition.py
@@ -134,6 +134,17 @@ class JsonSample3(ormar.Model):
             test_json = ormar.JSON(nullable=True)
 
 
+def test_wrong_pydantic_config():
+    with pytest.raises(ModelDefinitionError):
+
+        class ErrorSample(ormar.Model):
+            model_config = ["test"]
+            ormar_config = ormar.OrmarConfig(tablename="jsons3")
+
+            id: int = ormar.Integer(primary_key=True)
+            test_json = ormar.JSON(nullable=True)
+
+
 def test_non_existing_attr(example):
     with pytest.raises(ValueError):
         example.new_attr = 12
diff --git a/tests/test_model_definition/test_models.py b/tests/test_model_definition/test_models.py
index a7f664b38..efdfa6ae9 100644
--- a/tests/test_model_definition/test_models.py
+++ b/tests/test_model_definition/test_models.py
@@ -41,7 +41,7 @@ class LargeBinarySample(ormar.Model):
     )
 
     id: int = ormar.Integer(primary_key=True)
-    test_binary: bytes = ormar.LargeBinary(max_length=100000, choices=[blob, blob2])
+    test_binary: bytes = ormar.LargeBinary(max_length=100000)
 
 
 blob3 = os.urandom(64)
@@ -518,15 +518,6 @@ async def test_model_first():
 
             assert await User.objects.order_by("name").first() == jane
 
-
-def not_contains(a, b):
-    return a not in b
-
-
-def contains(a, b):
-    return a in b
-
-
 @pytest.mark.asyncio
 async def test_model_choices():
     """Test that choices work properly for various types of fields."""