diff --git a/application/aam-backend-service/src/main/kotlin/com/aamdigital/aambackendservice/rest/ObjectMapperConfiguration.kt b/application/aam-backend-service/src/main/kotlin/com/aamdigital/aambackendservice/rest/ObjectMapperConfiguration.kt
index 37e4ee0..15342d8 100644
--- a/application/aam-backend-service/src/main/kotlin/com/aamdigital/aambackendservice/rest/ObjectMapperConfiguration.kt
+++ b/application/aam-backend-service/src/main/kotlin/com/aamdigital/aambackendservice/rest/ObjectMapperConfiguration.kt
@@ -2,7 +2,6 @@ package com.aamdigital.aambackendservice.rest
 
 import com.fasterxml.jackson.databind.DeserializationFeature
 import com.fasterxml.jackson.databind.ObjectMapper
-import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
 import org.springframework.context.annotation.Primary
@@ -10,22 +9,15 @@ import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder
 
 @Configuration
 class ObjectMapperConfiguration {
-
-    @Bean
-    fun jsonCustomizer(): Jackson2ObjectMapperBuilderCustomizer {
-        return Jackson2ObjectMapperBuilderCustomizer { builder: Jackson2ObjectMapperBuilder ->
-            builder.featuresToEnable(
-                DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT,
-                DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_USING_DEFAULT_VALUE,
-            )
-        }
-    }
-
+    
     @Bean
     @Primary
-    fun objectMapper(jsonCustomizer: Jackson2ObjectMapperBuilderCustomizer): ObjectMapper {
-        val builder = Jackson2ObjectMapperBuilder()
-        jsonCustomizer.customize(builder)
-        return builder.build()
+    fun objectMapper(): ObjectMapper {
+        val mapper = Jackson2ObjectMapperBuilder()
+        mapper.featuresToEnable(
+            DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT,
+            DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_USING_DEFAULT_VALUE
+        )
+        return mapper.build()
     }
 }
diff --git a/application/aam-backend-service/src/main/resources/application.yaml b/application/aam-backend-service/src/main/resources/application.yaml
index d245ac3..1721521 100644
--- a/application/aam-backend-service/src/main/resources/application.yaml
+++ b/application/aam-backend-service/src/main/resources/application.yaml
@@ -3,6 +3,7 @@ spring:
     name: aam-backend-service
   main:
     banner-mode: off
+    allow-bean-definition-overriding: true
   rabbitmq:
     listener:
       simple:
@@ -20,6 +21,7 @@ spring:
     multipart:
       max-file-size: 5MB
 
+
 server:
   servlet:
     context-path: /api
diff --git a/application/aam-backend-service/src/test/resources/application-e2e.yaml b/application/aam-backend-service/src/test/resources/application-e2e.yaml
index 2b18c1f..6ec8591 100644
--- a/application/aam-backend-service/src/test/resources/application-e2e.yaml
+++ b/application/aam-backend-service/src/test/resources/application-e2e.yaml
@@ -3,6 +3,7 @@ spring:
     name: aam-backend-service
   main:
     banner-mode: off
+    allow-bean-definition-overriding: true
   rabbitmq:
     listener:
       simple: