diff --git a/Swift/Class.swift.twig b/Swift/Class.swift.twig
index 9105715..f8b9ad5 100644
--- a/Swift/Class.swift.twig
+++ b/Swift/Class.swift.twig
@@ -1,13 +1,16 @@
-{%- import 'utils.twig' as utils -%}
+{%- import 'macroses/common.utils.twig' as utils -%}
+{%- import 'macroses/class.utils.twig' as classUtils -%}
 
 {%- set hasParent = parent is not null -%}
+{%- set classType = classUtils.classType(type) -%}
+{%- set parentClassType = classUtils.parentClassType(parent, type.parentTypeParameters) -%}
 
 import ObjectMapper
 
 {%- include 'blocks/class/date-transformers.twig' with { fields: fields } %}
 
 /// {{ description }}
-{% if (not hasChilds) -%}final {% endif %}class {% include 'blocks/class/classtype.twig' with { type: type } %}: {% include 'blocks/class/supertype.twig' with { type: type, parent: parent } %} {
+{% if (not hasChilds) -%}final {% endif %}class {{ classType }}: {{ parentClassType }} {
 
     {% include 'blocks/class/fields.twig' with { fields: fields } %}
     // MARK: - Initializers
diff --git a/Swift/Enum.swift.twig b/Swift/Enum.swift.twig
index 2593f0e..32a3095 100644
--- a/Swift/Enum.swift.twig
+++ b/Swift/Enum.swift.twig
@@ -1,4 +1,5 @@
-{%- import 'utils.twig' as utils -%}
+{%- import 'macroses/common.utils.twig' as utils -%}
+{%- import 'macroses/enum.utils.twig' as enumutils -%}
 
 import Foundation
 
@@ -7,7 +8,7 @@ import Foundation
 {% for value in values -%}
 /// - {{ utils.decapitalize(value.name) }}: {{ value.description }}
 {% endfor -%}
-enum {{ name }}: {{ utils.enumType(valuesTypes) }} {
+enum {{ name }}: {{ enumutils.enumType(valuesTypes) }} {
     {% include 'blocks/enum/cases.twig' with { values: values } %}
 
 }
diff --git a/Swift/blocks/class/classtype.twig b/Swift/blocks/class/classtype.twig
deleted file mode 100644
index 285ae64..0000000
--- a/Swift/blocks/class/classtype.twig
+++ /dev/null
@@ -1,3 +0,0 @@
-{%- import '../../utils.twig' as utils -%}
-
-{{- type.baseTypeName -}}{%- include 'type-parameters.twig' with { typeParameters: type.typeParameters } -%}
\ No newline at end of file
diff --git a/Swift/blocks/class/date-transformers.twig b/Swift/blocks/class/date-transformers.twig
index c56540e..e441fe3 100644
--- a/Swift/blocks/class/date-transformers.twig
+++ b/Swift/blocks/class/date-transformers.twig
@@ -1,4 +1,4 @@
-{%- import '../../utils.twig' as utils -%}
+{%- import '../../macroses/common.utils.twig' as utils -%}
 
 {%- set hasDateFields = false -%}
 
diff --git a/Swift/blocks/class/fields-initialization.twig b/Swift/blocks/class/fields-initialization.twig
index 74ac950..098728a 100644
--- a/Swift/blocks/class/fields-initialization.twig
+++ b/Swift/blocks/class/fields-initialization.twig
@@ -1,4 +1,4 @@
-{%- import '../../utils.twig' as utils -%}
+{%- import '../../macroses/common.utils.twig' as utils -%}
         {%- for field in fields %}
         self.{{ field.name }} = {{ field.name }}
 {%- endfor -%}
\ No newline at end of file
diff --git a/Swift/blocks/class/fields-mapping-from-map.twig b/Swift/blocks/class/fields-mapping-from-map.twig
index 6bc9093..e109ea5 100644
--- a/Swift/blocks/class/fields-mapping-from-map.twig
+++ b/Swift/blocks/class/fields-mapping-from-map.twig
@@ -1,4 +1,4 @@
-{%- import '../../utils.twig' as utils -%}
+{%- import '../../macroses/common.utils.twig' as utils -%}
         {%- for field in fields %}
         {{ field.name }} = {{ utils.formatNullableOrOptional('try', field.nullable, field.optional) }} {{ utils.mappingFromMapForField(field) }}
 {%- endfor -%}
\ No newline at end of file
diff --git a/Swift/blocks/class/fields-mapping-to-map.twig b/Swift/blocks/class/fields-mapping-to-map.twig
index b29a78b..98d9cc3 100644
--- a/Swift/blocks/class/fields-mapping-to-map.twig
+++ b/Swift/blocks/class/fields-mapping-to-map.twig
@@ -1,4 +1,4 @@
-{%- import '../../utils.twig' as utils -%}
+{%- import '../../macroses/common.utils.twig' as utils -%}
         {%- for field in fields %}
         {%- if field.optional %}
         if {{ field.name }} != nil {
diff --git a/Swift/blocks/class/fields-super-initialization.twig b/Swift/blocks/class/fields-super-initialization.twig
index 88b762b..85c04c3 100644
--- a/Swift/blocks/class/fields-super-initialization.twig
+++ b/Swift/blocks/class/fields-super-initialization.twig
@@ -1,4 +1,4 @@
-{%- import '../../utils.twig' as utils -%}
+{%- import '../../macroses/common.utils.twig' as utils -%}
         {%- for field in fields -%}
         {{ field.name }}: {{ field.name }}{%- if not (loop.last) %}, {% endif %}
 {%- endfor -%}
\ No newline at end of file
diff --git a/Swift/blocks/class/fields.twig b/Swift/blocks/class/fields.twig
index d52adeb..65f95d9 100644
--- a/Swift/blocks/class/fields.twig
+++ b/Swift/blocks/class/fields.twig
@@ -1,4 +1,4 @@
-{%- import '../../utils.twig' as utils -%}
+{%- import '../../macroses/common.utils.twig' as utils -%}
 
 {%- if fields is not empty -%}
 // MARK: - Fields
diff --git a/Swift/blocks/class/init-parameters-fields.twig b/Swift/blocks/class/init-parameters-fields.twig
index 23f4f0b..1d9e5c8 100644
--- a/Swift/blocks/class/init-parameters-fields.twig
+++ b/Swift/blocks/class/init-parameters-fields.twig
@@ -1,4 +1,4 @@
-{%- import '../../utils.twig' as utils -%}
+{%- import '../../macroses/common.utils.twig' as utils -%}
 
 {%- if fields is not empty -%}
 {%- for field in fields -%}
diff --git a/Swift/blocks/class/supertype.twig b/Swift/blocks/class/supertype.twig
deleted file mode 100644
index f38c9ec..0000000
--- a/Swift/blocks/class/supertype.twig
+++ /dev/null
@@ -1,3 +0,0 @@
-{%- import '../../utils.twig' as utils -%}
-
-{{- utils.parentClassType(parent) -}}{%- include 'type-parameters.twig' with { typeParameters: type.parentTypeParameters } -%}
\ No newline at end of file
diff --git a/Swift/blocks/class/type-parameters.twig b/Swift/blocks/class/type-parameters.twig
deleted file mode 100644
index 1aea606..0000000
--- a/Swift/blocks/class/type-parameters.twig
+++ /dev/null
@@ -1,8 +0,0 @@
-{%- import '../../utils.twig' as utils -%}
-{%- if typeParameters is not empty -%}
-<
-{%- for typeParameter in typeParameters %}
-{{- utils.formatValueType(typeParameter) -}}{%- if not (loop.last) %}, {% endif %}
-{%- endfor -%}
->
-{%- endif -%}
\ No newline at end of file
diff --git a/Swift/blocks/enum/cases.twig b/Swift/blocks/enum/cases.twig
index 7758b30..9911919 100644
--- a/Swift/blocks/enum/cases.twig
+++ b/Swift/blocks/enum/cases.twig
@@ -1,4 +1,4 @@
-{%- import '../../utils.twig' as utils -%}
+{%- import '../../macroses/common.utils.twig' as utils -%}
 {%- for value in values -%}
     {%- if valuesTypes == "STRING" %}
 {%- if value.name != value.value %}
diff --git a/Swift/blocks/method/method-func.twig b/Swift/blocks/method/method-func.twig
index 85334cc..10a2de0 100644
--- a/Swift/blocks/method/method-func.twig
+++ b/Swift/blocks/method/method-func.twig
@@ -1,4 +1,4 @@
-{%- import '../../utils.twig' as utils -%}
+{%- import '../../macroses/common.utils.twig' as utils -%}
 
 {%- set bodyParamName = utils.decapitalize(method.bodyType.type.typeName) -%}
 {%- set funcName = utils.decapitalize(method.name) -%}
diff --git a/Swift/macroses/class.utils.twig b/Swift/macroses/class.utils.twig
new file mode 100644
index 0000000..4a36128
--- /dev/null
+++ b/Swift/macroses/class.utils.twig
@@ -0,0 +1,29 @@
+{% macro typeParameters(parameters) %}
+    {%- import '../macroses/common.utils.twig' as utils -%}
+
+    {%- if parameters is not empty -%}
+    <
+    {%- for typeParameter in parameters %}
+        {{- utils.formatValueType(typeParameter) -}}{%- if not (loop.last) %}, {% endif %}
+    {%- endfor -%}
+    >
+    {%- endif -%}
+{% endmacro %}
+
+{% macro classType(type) %}
+    {%- import _self as self -%}
+
+    {{- type.baseTypeName -}}{{- self.typeParameters(type.typeParameters) -}}
+{% endmacro %}
+
+{% macro parentClassType(parent, parentTypeParameters) %}
+    {%- import _self as self -%}
+
+    {%- if parent is not null %}
+        {{- parent.type.baseTypeName -}}
+    {%- else -%}
+        ImmutableMappable
+    {%- endif -%}
+
+    {{- self.typeParameters(parentTypeParameters) -}}
+{% endmacro %}
diff --git a/Swift/macroses/common.utils.twig b/Swift/macroses/common.utils.twig
new file mode 100644
index 0000000..3f2ade5
--- /dev/null
+++ b/Swift/macroses/common.utils.twig
@@ -0,0 +1,43 @@
+{% macro decapitalize(text) %}
+    {{- concat(slice(text, 0, 1) | lower, slice(text, 1, text | length)) -}}
+{% endmacro %}
+
+{% macro formatNullableOrOptional(expr, nullable, optional) %}
+    {{- expr -}}{%- if nullable or optional -%}?{%- endif -%}
+{% endmacro %}
+
+{% macro formatValueType(valueType) %}
+    {%- if valueType.baseTypeName == "Array" -%}
+        [{{ valueType.itemsType.baseTypeName }}]
+    {%- elseif valueType.baseTypeName == "Map" -%}
+        [{{ valueType.keysType.baseTypeName }}: {{ valueType.valuesType.baseTypeName }}]
+    {%- elseif valueType.baseTypeName == "DateTime" -%}
+        Date
+    {%- else -%}
+        {{ valueType.baseTypeName }}
+    {%- endif -%}
+{% endmacro %}
+
+{% macro escapeIfNeeded(expr) %}
+    {%- if expr == "default" -%}
+        `{{ expr }}`
+    {%- else -%}
+        {{ expr }}
+    {%- endif -%}
+{% endmacro %}
+
+{% macro mappingFromMapForField(field) %}
+    {%- if field.type.type.baseTypeName == "DateTime" -%}
+        map.value("{{ field.jsonName }}", using: {{ field.name -}}Transform)
+    {%- else -%}
+        map.value("{{ field.jsonName }}")
+    {%- endif -%}
+{% endmacro %}
+
+{% macro mappingToMapForField(field) %}
+    {%- if field.type.type.baseTypeName == "DateTime" -%}
+        (map["{{ field.jsonName }}"], {{ field.name -}}Transform)
+    {%- else -%}
+        map["{{ field.jsonName }}"]
+    {%- endif -%}
+{% endmacro %}
diff --git a/Swift/macroses/enum.utils.twig b/Swift/macroses/enum.utils.twig
new file mode 100644
index 0000000..b539f78
--- /dev/null
+++ b/Swift/macroses/enum.utils.twig
@@ -0,0 +1,7 @@
+{% macro enumType(valuesTypes) %}
+    {%- if valuesTypes == "STRING" -%}
+    String
+    {%- elseif valuesTypes == "INT" -%}
+    Int
+    {%- endif -%}
+{% endmacro %}
\ No newline at end of file
diff --git a/Swift/utils.twig b/Swift/utils.twig
deleted file mode 100644
index 3255629..0000000
--- a/Swift/utils.twig
+++ /dev/null
@@ -1,59 +0,0 @@
-{% macro decapitalize(text) %}
-{{- concat(slice(text, 0, 1) | lower, slice(text, 1, text | length)) -}}
-{% endmacro %}
-
-{% macro enumType(valuesTypes) %}
-{%- if valuesTypes == "STRING" -%}
-String
-{%- elseif valuesTypes == "INT" -%}
-Int
-{%- endif -%}
-{% endmacro %}
-
-{% macro parentClassType(parent) %}
-{%- if parent is not null %}
-{{- parent.type.baseTypeName -}}
-{%- else -%}
-ImmutableMappable
-{%- endif -%}
-{% endmacro %}
-
-{% macro formatNullableOrOptional(expr, nullable, optional) %}
-{{- expr -}}{%- if nullable or optional -%}?{%- endif -%}
-{% endmacro %}
-
-{% macro formatValueType(valueType) %}
-{%- if valueType.baseTypeName == "Array" -%}
-[{{ valueType.itemsType.baseTypeName }}]
-{%- elseif valueType.baseTypeName == "Map" -%}
-[{{ valueType.keysType.baseTypeName }}: {{ valueType.valuesType.baseTypeName }}]
-{%- elseif valueType.baseTypeName == "DateTime" -%}
-Date
-{%- else -%}
-{{ valueType.baseTypeName }}
-{%- endif -%}
-{% endmacro %}
-
-{% macro escapeIfNeeded(expr) %}
-{%- if expr == "default" -%}
-`{{ expr }}`
-{%- else -%}
-{{ expr }}
-{%- endif -%}
-{% endmacro %}
-
-{% macro mappingFromMapForField(field) %}
-{%- if field.type.type.baseTypeName == "DateTime" -%}
-map.value("{{ field.jsonName }}", using: {{ field.name -}}Transform)
-{%- else -%}
-map.value("{{ field.jsonName }}")
-{%- endif -%}
-{% endmacro %}
-
-{% macro mappingToMapForField(field) %}
-{%- if field.type.type.baseTypeName == "DateTime" -%}
-(map["{{ field.jsonName }}"], {{ field.name -}}Transform)
-{%- else -%}
-map["{{ field.jsonName }}"]
-{%- endif -%}
-{% endmacro %}