diff --git a/KotlinServer/utils.twig b/KotlinServer/utils.twig
index e353148..e283d99 100644
--- a/KotlinServer/utils.twig
+++ b/KotlinServer/utils.twig
@@ -8,20 +8,6 @@
 {%- endif -%}
 {% endmacro %}
 
-{% macro writeInclusionAnnotation(nullable, optional) %}
-{%- if nullable -%}
- @JsonInclude(JsonInclude.Include.ALWAYS){{ " " }}
-{%- elseif optional -%}
- @JsonInclude(JsonInclude.Include.NON_NULL){{ " " }}
-{%- endif -%}
-{% endmacro %}
-
-{% macro includeDateFormat(valueType) %}
-{%- if valueType.baseTypeName == "DateTime" -%}
-@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ssX", timezone = "UTC")
-{%- endif -%}
-{% endmacro %}
-
 {% macro formatValueType(valueType, nullable, optional) %}
 {% import _self as self %}
 {%- if valueType.baseTypeName == "Bool" -%}