diff --git a/packages/dynamite/dynamite/lib/src/builder/ofs_builder.dart b/packages/dynamite/dynamite/lib/src/builder/ofs_builder.dart
index 5412459e..e0ceca56 100644
--- a/packages/dynamite/dynamite/lib/src/builder/ofs_builder.dart
+++ b/packages/dynamite/dynamite/lib/src/builder/ofs_builder.dart
@@ -22,37 +22,42 @@ TypeResult resolveAllOf(
 
   if (state.resolvedTypes.add(result)) {
     final interfaces = <TypeResultObject>{};
+    final methods = ListBuilder<Method>();
 
     for (final s in schema.allOf!) {
-      final TypeResultObject interfaceClass;
-      if (s.ref != null) {
-        final object = resolveType(
+      if (s.properties != null) {
+        final interfaceClass = resolveInterface(
           spec,
           state,
-          identifier,
+          '${identifier}_${schema.allOf!.indexOf(s)}',
           s,
-          nullable: nullable,
         );
-
-        if (object is! TypeResultObject) {
-          throw StateError('allOf does only allow objects. Please change $identifier');
-        }
-
-        interfaceClass = object;
+        interfaces.add(interfaceClass);
       } else {
-        interfaceClass = resolveInterface(
+        final object = resolveType(
           spec,
           state,
-          '${identifier}_${schema.allOf!.indexOf(s)}',
+          identifier,
           s,
+          nullable: nullable,
         );
-      }
 
-      interfaces.add(interfaceClass);
+        if (object is TypeResultObject) {
+          interfaces.add(object);
+        } else {
+          final property = generateProperty(
+            object,
+            object.className,
+            s.formattedDescription,
+          );
+
+          methods.add(property);
+        }
+      }
     }
 
     state.output.add(
-      buildInterface(identifier, interfaces: interfaces),
+      buildInterface(identifier, interfaces: interfaces, methods: methods.build()),
     );
 
     state.output.add(
diff --git a/packages/dynamite/dynamite/lib/src/builder/resolve_interface.dart b/packages/dynamite/dynamite/lib/src/builder/resolve_interface.dart
index 0a67357d..3339a9fc 100644
--- a/packages/dynamite/dynamite/lib/src/builder/resolve_interface.dart
+++ b/packages/dynamite/dynamite/lib/src/builder/resolve_interface.dart
@@ -14,6 +14,12 @@ TypeResultObject resolveInterface(
   final String identifier,
   final openapi.Schema schema,
 ) {
+  final properties = schema.properties?.entries;
+
+  if (properties == null || properties.isEmpty) {
+    throw StateError('The schema must have a non empty properties field.');
+  }
+
   final result = TypeResultObject(
     identifier,
   );
@@ -22,40 +28,29 @@ TypeResultObject resolveInterface(
     final $interface = buildInterface(
       identifier,
       methods: BuiltList.build((final b) {
-        for (final property in schema.properties!.entries) {
-          b.add(
-            Method(
-              (final b) {
-                final propertyName = property.key;
-                final propertySchema = property.value;
-                final result = resolveType(
-                  spec,
-                  state,
-                  '${identifier}_${toDartName(propertyName, uppercaseFirstCharacter: true)}',
-                  propertySchema,
-                  nullable: isDartParameterNullable(
-                    schema.required.contains(propertyName),
-                    propertySchema,
-                  ),
-                );
+        b.addAll(
+          properties.map((final property) {
+            final propertyName = property.key;
+            final propertySchema = property.value;
 
-                b
-                  ..name = toDartName(propertyName)
-                  ..returns = refer(result.nullableName)
-                  ..type = MethodType.getter
-                  ..docs.addAll(propertySchema.formattedDescription);
+            final result = resolveType(
+              spec,
+              state,
+              '${identifier}_${toDartName(propertyName, uppercaseFirstCharacter: true)}',
+              propertySchema,
+              nullable: isDartParameterNullable(
+                schema.required.contains(propertyName),
+                propertySchema,
+              ),
+            );
 
-                if (toDartName(propertyName) != propertyName) {
-                  b.annotations.add(
-                    refer('BuiltValueField').call([], {
-                      'wireName': literalString(propertyName),
-                    }),
-                  );
-                }
-              },
-            ),
-          );
-        }
+            return generateProperty(
+              result,
+              propertyName,
+              propertySchema.formattedDescription,
+            );
+          }),
+        );
       }),
     );
 
@@ -65,6 +60,30 @@ TypeResultObject resolveInterface(
   return result;
 }
 
+Method generateProperty(
+  final TypeResult type,
+  final String propertyName,
+  final Iterable<String> description,
+) =>
+    Method(
+      (final b) {
+        final name = toFieldName(toDartName(propertyName), type.name);
+        b
+          ..name = name
+          ..returns = refer(type.nullableName)
+          ..type = MethodType.getter
+          ..docs.addAll(description);
+
+        if (name != propertyName) {
+          b.annotations.add(
+            refer('BuiltValueField').call([], {
+              'wireName': literalString(propertyName),
+            }),
+          );
+        }
+      },
+    );
+
 Spec buildInterface(
   final String identifier, {
   final BuiltList<Method>? methods,
diff --git a/packages/dynamite/dynamite_end_to_end_test/lib/all_of.openapi.dart b/packages/dynamite/dynamite_end_to_end_test/lib/all_of.openapi.dart
index 4fa14e4a..569cda93 100644
--- a/packages/dynamite/dynamite_end_to_end_test/lib/all_of.openapi.dart
+++ b/packages/dynamite/dynamite_end_to_end_test/lib/all_of.openapi.dart
@@ -79,12 +79,82 @@ abstract class OneObjectAllOf implements OneObjectAllOfInterface, Built<OneObjec
   static Serializer<OneObjectAllOf> get serializer => _$oneObjectAllOfSerializer;
 }
 
+@BuiltValue(instantiable: false)
+abstract interface class PrimitiveAllOfInterface {
+  @BuiltValueField(wireName: 'int')
+  int get $int;
+  @BuiltValueField(wireName: 'String')
+  String get string;
+}
+
+abstract class PrimitiveAllOf implements PrimitiveAllOfInterface, Built<PrimitiveAllOf, PrimitiveAllOfBuilder> {
+  factory PrimitiveAllOf([final void Function(PrimitiveAllOfBuilder)? b]) = _$PrimitiveAllOf;
+
+  const PrimitiveAllOf._();
+
+  factory PrimitiveAllOf.fromJson(final Map<String, dynamic> json) =>
+      _jsonSerializers.deserializeWith(serializer, json)!;
+
+  Map<String, dynamic> toJson() => _jsonSerializers.serializeWith(serializer, this)! as Map<String, dynamic>;
+
+  static Serializer<PrimitiveAllOf> get serializer => _$primitiveAllOfSerializer;
+}
+
+@BuiltValue(instantiable: false)
+abstract interface class MixedAllOf_1Interface {
+  @BuiltValueField(wireName: 'attribute-allOf')
+  String get attributeAllOf;
+}
+
+@BuiltValue(instantiable: false)
+abstract interface class MixedAllOfInterface implements MixedAllOf_1Interface {
+  @BuiltValueField(wireName: 'String')
+  String get string;
+}
+
+abstract class MixedAllOf implements MixedAllOfInterface, Built<MixedAllOf, MixedAllOfBuilder> {
+  factory MixedAllOf([final void Function(MixedAllOfBuilder)? b]) = _$MixedAllOf;
+
+  const MixedAllOf._();
+
+  factory MixedAllOf.fromJson(final Map<String, dynamic> json) => _jsonSerializers.deserializeWith(serializer, json)!;
+
+  Map<String, dynamic> toJson() => _jsonSerializers.serializeWith(serializer, this)! as Map<String, dynamic>;
+
+  static Serializer<MixedAllOf> get serializer => _$mixedAllOfSerializer;
+}
+
+@BuiltValue(instantiable: false)
+abstract interface class OneValueAllOfInterface {
+  @BuiltValueField(wireName: 'String')
+  String get string;
+}
+
+abstract class OneValueAllOf implements OneValueAllOfInterface, Built<OneValueAllOf, OneValueAllOfBuilder> {
+  factory OneValueAllOf([final void Function(OneValueAllOfBuilder)? b]) = _$OneValueAllOf;
+
+  const OneValueAllOf._();
+
+  factory OneValueAllOf.fromJson(final Map<String, dynamic> json) =>
+      _jsonSerializers.deserializeWith(serializer, json)!;
+
+  Map<String, dynamic> toJson() => _jsonSerializers.serializeWith(serializer, this)! as Map<String, dynamic>;
+
+  static Serializer<OneValueAllOf> get serializer => _$oneValueAllOfSerializer;
+}
+
 // coverage:ignore-start
 final Serializers _serializers = (Serializers().toBuilder()
       ..addBuilderFactory(const FullType(ObjectAllOf), ObjectAllOf.new)
       ..add(ObjectAllOf.serializer)
       ..addBuilderFactory(const FullType(OneObjectAllOf), OneObjectAllOf.new)
-      ..add(OneObjectAllOf.serializer))
+      ..add(OneObjectAllOf.serializer)
+      ..addBuilderFactory(const FullType(PrimitiveAllOf), PrimitiveAllOf.new)
+      ..add(PrimitiveAllOf.serializer)
+      ..addBuilderFactory(const FullType(MixedAllOf), MixedAllOf.new)
+      ..add(MixedAllOf.serializer)
+      ..addBuilderFactory(const FullType(OneValueAllOf), OneValueAllOf.new)
+      ..add(OneValueAllOf.serializer))
     .build();
 
 final Serializers _jsonSerializers = (_serializers.toBuilder()
diff --git a/packages/dynamite/dynamite_end_to_end_test/lib/all_of.openapi.g.dart b/packages/dynamite/dynamite_end_to_end_test/lib/all_of.openapi.g.dart
index 5fe644f5..eca1b3a5 100644
--- a/packages/dynamite/dynamite_end_to_end_test/lib/all_of.openapi.g.dart
+++ b/packages/dynamite/dynamite_end_to_end_test/lib/all_of.openapi.g.dart
@@ -8,6 +8,9 @@ part of 'all_of.openapi.dart';
 
 Serializer<ObjectAllOf> _$objectAllOfSerializer = _$ObjectAllOfSerializer();
 Serializer<OneObjectAllOf> _$oneObjectAllOfSerializer = _$OneObjectAllOfSerializer();
+Serializer<PrimitiveAllOf> _$primitiveAllOfSerializer = _$PrimitiveAllOfSerializer();
+Serializer<MixedAllOf> _$mixedAllOfSerializer = _$MixedAllOfSerializer();
+Serializer<OneValueAllOf> _$oneValueAllOfSerializer = _$OneValueAllOfSerializer();
 
 class _$ObjectAllOfSerializer implements StructuredSerializer<ObjectAllOf> {
   @override
@@ -90,6 +93,130 @@ class _$OneObjectAllOfSerializer implements StructuredSerializer<OneObjectAllOf>
   }
 }
 
+class _$PrimitiveAllOfSerializer implements StructuredSerializer<PrimitiveAllOf> {
+  @override
+  final Iterable<Type> types = const [PrimitiveAllOf, _$PrimitiveAllOf];
+  @override
+  final String wireName = 'PrimitiveAllOf';
+
+  @override
+  Iterable<Object?> serialize(Serializers serializers, PrimitiveAllOf object,
+      {FullType specifiedType = FullType.unspecified}) {
+    final result = <Object?>[
+      'int',
+      serializers.serialize(object.$int, specifiedType: const FullType(int)),
+      'String',
+      serializers.serialize(object.string, specifiedType: const FullType(String)),
+    ];
+
+    return result;
+  }
+
+  @override
+  PrimitiveAllOf deserialize(Serializers serializers, Iterable<Object?> serialized,
+      {FullType specifiedType = FullType.unspecified}) {
+    final result = PrimitiveAllOfBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'int':
+          result.$int = serializers.deserialize(value, specifiedType: const FullType(int))! as int;
+          break;
+        case 'String':
+          result.string = serializers.deserialize(value, specifiedType: const FullType(String))! as String;
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$MixedAllOfSerializer implements StructuredSerializer<MixedAllOf> {
+  @override
+  final Iterable<Type> types = const [MixedAllOf, _$MixedAllOf];
+  @override
+  final String wireName = 'MixedAllOf';
+
+  @override
+  Iterable<Object?> serialize(Serializers serializers, MixedAllOf object,
+      {FullType specifiedType = FullType.unspecified}) {
+    final result = <Object?>[
+      'String',
+      serializers.serialize(object.string, specifiedType: const FullType(String)),
+      'attribute-allOf',
+      serializers.serialize(object.attributeAllOf, specifiedType: const FullType(String)),
+    ];
+
+    return result;
+  }
+
+  @override
+  MixedAllOf deserialize(Serializers serializers, Iterable<Object?> serialized,
+      {FullType specifiedType = FullType.unspecified}) {
+    final result = MixedAllOfBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'String':
+          result.string = serializers.deserialize(value, specifiedType: const FullType(String))! as String;
+          break;
+        case 'attribute-allOf':
+          result.attributeAllOf = serializers.deserialize(value, specifiedType: const FullType(String))! as String;
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$OneValueAllOfSerializer implements StructuredSerializer<OneValueAllOf> {
+  @override
+  final Iterable<Type> types = const [OneValueAllOf, _$OneValueAllOf];
+  @override
+  final String wireName = 'OneValueAllOf';
+
+  @override
+  Iterable<Object?> serialize(Serializers serializers, OneValueAllOf object,
+      {FullType specifiedType = FullType.unspecified}) {
+    final result = <Object?>[
+      'String',
+      serializers.serialize(object.string, specifiedType: const FullType(String)),
+    ];
+
+    return result;
+  }
+
+  @override
+  OneValueAllOf deserialize(Serializers serializers, Iterable<Object?> serialized,
+      {FullType specifiedType = FullType.unspecified}) {
+    final result = OneValueAllOfBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'String':
+          result.string = serializers.deserialize(value, specifiedType: const FullType(String))! as String;
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
 abstract mixin class ObjectAllOf_0InterfaceBuilder {
   void replace(ObjectAllOf_0Interface other);
   void update(void Function(ObjectAllOf_0InterfaceBuilder) updates);
@@ -298,4 +425,296 @@ class OneObjectAllOfBuilder implements Builder<OneObjectAllOf, OneObjectAllOfBui
   }
 }
 
+abstract mixin class PrimitiveAllOfInterfaceBuilder {
+  void replace(PrimitiveAllOfInterface other);
+  void update(void Function(PrimitiveAllOfInterfaceBuilder) updates);
+  int? get $int;
+  set $int(int? $int);
+
+  String? get string;
+  set string(String? string);
+}
+
+class _$PrimitiveAllOf extends PrimitiveAllOf {
+  @override
+  final int $int;
+  @override
+  final String string;
+
+  factory _$PrimitiveAllOf([void Function(PrimitiveAllOfBuilder)? updates]) =>
+      (PrimitiveAllOfBuilder()..update(updates))._build();
+
+  _$PrimitiveAllOf._({required this.$int, required this.string}) : super._() {
+    BuiltValueNullFieldError.checkNotNull($int, r'PrimitiveAllOf', '\$int');
+    BuiltValueNullFieldError.checkNotNull(string, r'PrimitiveAllOf', 'string');
+  }
+
+  @override
+  PrimitiveAllOf rebuild(void Function(PrimitiveAllOfBuilder) updates) => (toBuilder()..update(updates)).build();
+
+  @override
+  PrimitiveAllOfBuilder toBuilder() => PrimitiveAllOfBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is PrimitiveAllOf && $int == other.$int && string == other.string;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, $int.hashCode);
+    _$hash = $jc(_$hash, string.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(r'PrimitiveAllOf')
+          ..add('\$int', $int)
+          ..add('string', string))
+        .toString();
+  }
+}
+
+class PrimitiveAllOfBuilder implements Builder<PrimitiveAllOf, PrimitiveAllOfBuilder>, PrimitiveAllOfInterfaceBuilder {
+  _$PrimitiveAllOf? _$v;
+
+  int? _$int;
+  int? get $int => _$this._$int;
+  set $int(covariant int? $int) => _$this._$int = $int;
+
+  String? _string;
+  String? get string => _$this._string;
+  set string(covariant String? string) => _$this._string = string;
+
+  PrimitiveAllOfBuilder();
+
+  PrimitiveAllOfBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _$int = $v.$int;
+      _string = $v.string;
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(covariant PrimitiveAllOf other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$PrimitiveAllOf;
+  }
+
+  @override
+  void update(void Function(PrimitiveAllOfBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  PrimitiveAllOf build() => _build();
+
+  _$PrimitiveAllOf _build() {
+    final _$result = _$v ??
+        _$PrimitiveAllOf._(
+            $int: BuiltValueNullFieldError.checkNotNull($int, r'PrimitiveAllOf', '\$int'),
+            string: BuiltValueNullFieldError.checkNotNull(string, r'PrimitiveAllOf', 'string'));
+    replace(_$result);
+    return _$result;
+  }
+}
+
+abstract mixin class MixedAllOf_1InterfaceBuilder {
+  void replace(MixedAllOf_1Interface other);
+  void update(void Function(MixedAllOf_1InterfaceBuilder) updates);
+  String? get attributeAllOf;
+  set attributeAllOf(String? attributeAllOf);
+}
+
+abstract mixin class MixedAllOfInterfaceBuilder implements MixedAllOf_1InterfaceBuilder {
+  void replace(covariant MixedAllOfInterface other);
+  void update(void Function(MixedAllOfInterfaceBuilder) updates);
+  String? get string;
+  set string(covariant String? string);
+
+  String? get attributeAllOf;
+  set attributeAllOf(covariant String? attributeAllOf);
+}
+
+class _$MixedAllOf extends MixedAllOf {
+  @override
+  final String string;
+  @override
+  final String attributeAllOf;
+
+  factory _$MixedAllOf([void Function(MixedAllOfBuilder)? updates]) => (MixedAllOfBuilder()..update(updates))._build();
+
+  _$MixedAllOf._({required this.string, required this.attributeAllOf}) : super._() {
+    BuiltValueNullFieldError.checkNotNull(string, r'MixedAllOf', 'string');
+    BuiltValueNullFieldError.checkNotNull(attributeAllOf, r'MixedAllOf', 'attributeAllOf');
+  }
+
+  @override
+  MixedAllOf rebuild(void Function(MixedAllOfBuilder) updates) => (toBuilder()..update(updates)).build();
+
+  @override
+  MixedAllOfBuilder toBuilder() => MixedAllOfBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is MixedAllOf && string == other.string && attributeAllOf == other.attributeAllOf;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, string.hashCode);
+    _$hash = $jc(_$hash, attributeAllOf.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(r'MixedAllOf')
+          ..add('string', string)
+          ..add('attributeAllOf', attributeAllOf))
+        .toString();
+  }
+}
+
+class MixedAllOfBuilder implements Builder<MixedAllOf, MixedAllOfBuilder>, MixedAllOfInterfaceBuilder {
+  _$MixedAllOf? _$v;
+
+  String? _string;
+  String? get string => _$this._string;
+  set string(covariant String? string) => _$this._string = string;
+
+  String? _attributeAllOf;
+  String? get attributeAllOf => _$this._attributeAllOf;
+  set attributeAllOf(covariant String? attributeAllOf) => _$this._attributeAllOf = attributeAllOf;
+
+  MixedAllOfBuilder();
+
+  MixedAllOfBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _string = $v.string;
+      _attributeAllOf = $v.attributeAllOf;
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(covariant MixedAllOf other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$MixedAllOf;
+  }
+
+  @override
+  void update(void Function(MixedAllOfBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  MixedAllOf build() => _build();
+
+  _$MixedAllOf _build() {
+    final _$result = _$v ??
+        _$MixedAllOf._(
+            string: BuiltValueNullFieldError.checkNotNull(string, r'MixedAllOf', 'string'),
+            attributeAllOf: BuiltValueNullFieldError.checkNotNull(attributeAllOf, r'MixedAllOf', 'attributeAllOf'));
+    replace(_$result);
+    return _$result;
+  }
+}
+
+abstract mixin class OneValueAllOfInterfaceBuilder {
+  void replace(OneValueAllOfInterface other);
+  void update(void Function(OneValueAllOfInterfaceBuilder) updates);
+  String? get string;
+  set string(String? string);
+}
+
+class _$OneValueAllOf extends OneValueAllOf {
+  @override
+  final String string;
+
+  factory _$OneValueAllOf([void Function(OneValueAllOfBuilder)? updates]) =>
+      (OneValueAllOfBuilder()..update(updates))._build();
+
+  _$OneValueAllOf._({required this.string}) : super._() {
+    BuiltValueNullFieldError.checkNotNull(string, r'OneValueAllOf', 'string');
+  }
+
+  @override
+  OneValueAllOf rebuild(void Function(OneValueAllOfBuilder) updates) => (toBuilder()..update(updates)).build();
+
+  @override
+  OneValueAllOfBuilder toBuilder() => OneValueAllOfBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is OneValueAllOf && string == other.string;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, string.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(r'OneValueAllOf')..add('string', string)).toString();
+  }
+}
+
+class OneValueAllOfBuilder implements Builder<OneValueAllOf, OneValueAllOfBuilder>, OneValueAllOfInterfaceBuilder {
+  _$OneValueAllOf? _$v;
+
+  String? _string;
+  String? get string => _$this._string;
+  set string(covariant String? string) => _$this._string = string;
+
+  OneValueAllOfBuilder();
+
+  OneValueAllOfBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _string = $v.string;
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(covariant OneValueAllOf other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$OneValueAllOf;
+  }
+
+  @override
+  void update(void Function(OneValueAllOfBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  OneValueAllOf build() => _build();
+
+  _$OneValueAllOf _build() {
+    final _$result =
+        _$v ?? _$OneValueAllOf._(string: BuiltValueNullFieldError.checkNotNull(string, r'OneValueAllOf', 'string'));
+    replace(_$result);
+    return _$result;
+  }
+}
+
 // ignore_for_file: deprecated_member_use_from_same_package,type=lint
diff --git a/packages/dynamite/dynamite_end_to_end_test/lib/all_of.openapi.json b/packages/dynamite/dynamite_end_to_end_test/lib/all_of.openapi.json
index c8afda95..27281110 100644
--- a/packages/dynamite/dynamite_end_to_end_test/lib/all_of.openapi.json
+++ b/packages/dynamite/dynamite_end_to_end_test/lib/all_of.openapi.json
@@ -48,6 +48,44 @@
                         }
                     }
                 ]
+            },
+            "PrimitiveAllOf": {
+                "description": "All of with an primitive values.",
+                "allOf": [
+                    {
+                        "type": "integer"
+                    },
+                    {
+                        "type": "string"
+                    }
+                ]
+            },
+            "MixedAllOf": {
+                "description": "All of with object and primitive value.",
+                "allOf": [
+                    {
+                        "type": "string"
+                    },
+                    {
+                        "type": "object",
+                        "required": [
+                            "attribute-allOf"
+                        ],
+                        "properties": {
+                            "attribute-allOf": {
+                                "type": "string"
+                            }
+                        }
+                    }
+                ]
+            },
+            "OneValueAllOf": {
+                "description": "All of with one primitive value.",
+                "allOf": [
+                    {
+                        "type": "string"
+                    }
+                ]
             }
         }
     },
diff --git a/packages/dynamite/dynamite_end_to_end_test/test/all_of_test.dart b/packages/dynamite/dynamite_end_to_end_test/test/all_of_test.dart
new file mode 100644
index 00000000..28c44a43
--- /dev/null
+++ b/packages/dynamite/dynamite_end_to_end_test/test/all_of_test.dart
@@ -0,0 +1,78 @@
+import 'package:dynamite_end_to_end_test/all_of.openapi.dart';
+import 'package:test/test.dart';
+
+void main() {
+  test('ObjectAllOf', () {
+    final object = ObjectAllOf(
+      (final b) => b
+        ..attribute1AllOf = 'attribute1AllOfValue'
+        ..attribute2AllOf = 'attribute2AllOfValue',
+    );
+
+    final json = {
+      'attribute1-allOf': 'attribute1AllOfValue',
+      'attribute2-allOf': 'attribute2AllOfValue',
+    };
+
+    expect(object.toJson(), equals(json));
+    expect(ObjectAllOf.fromJson(json), equals(object));
+  });
+
+  test('OneObjectAllOf', () {
+    final object = OneObjectAllOf(
+      (final b) => b..attributeAllOf = 'attributeAllOfValue',
+    );
+
+    final json = {
+      'attribute-allOf': 'attributeAllOfValue',
+    };
+
+    expect(object.toJson(), equals(json));
+    expect(OneObjectAllOf.fromJson(json), equals(object));
+  });
+
+  test('PrimitiveAllOf', () {
+    final object = PrimitiveAllOf(
+      (final b) => b
+        ..string = 'stringValue'
+        ..$int = 62,
+    );
+
+    final json = {
+      'String': 'stringValue',
+      'int': 62,
+    };
+
+    expect(object.toJson(), equals(json));
+    expect(PrimitiveAllOf.fromJson(json), equals(object));
+  });
+
+  test('MixedAllOf', () {
+    final object = MixedAllOf(
+      (final b) => b
+        ..string = 'stringValue'
+        ..attributeAllOf = 'attributeAllOfValue',
+    );
+
+    final json = {
+      'String': 'stringValue',
+      'attribute-allOf': 'attributeAllOfValue',
+    };
+
+    expect(object.toJson(), equals(json));
+    expect(MixedAllOf.fromJson(json), equals(object));
+  });
+
+  test('OneValueAllOf', () {
+    final object = OneValueAllOf(
+      (final b) => b..string = 'stringValue',
+    );
+
+    final json = {
+      'String': 'stringValue',
+    };
+
+    expect(object.toJson(), equals(json));
+    expect(OneValueAllOf.fromJson(json), equals(object));
+  });
+}