diff --git a/router/src/main/java/de/ozgcloud/eingang/router/GrpcClientsProperties.java b/router/src/main/java/de/ozgcloud/eingang/router/GrpcClientsProperties.java
index a9efb992a4a141f06505a073b64460fa38f78bf5..3f308dd3d9173e02b78ec94966f615ea9398bd98 100644
--- a/router/src/main/java/de/ozgcloud/eingang/router/GrpcClientsProperties.java
+++ b/router/src/main/java/de/ozgcloud/eingang/router/GrpcClientsProperties.java
@@ -31,7 +31,6 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.validation.annotation.Validated;
 
-import lombok.Builder;
 import lombok.Getter;
 import lombok.Setter;
 
@@ -44,10 +43,9 @@ public class GrpcClientsProperties {
 
 	private Map<String, ClientProperty> client;
 
-	@Builder
 	@Getter
 	@Setter
-	public static class ClientProperty {
+	static class ClientProperty {
 		@NotEmpty
 		private String address;
 		private String negotationType = "TLS";
diff --git a/router/src/test/java/de/ozgcloud/eingang/router/VorgangManagerListPropertiesTestFactory.java b/router/src/test/java/de/ozgcloud/eingang/router/VorgangManagerListPropertiesTestFactory.java
index e9264435bf6fe81dc13146d724f3f7562a26aba4..99ed3490b7a1f664d5209441d450924b4a28a942 100644
--- a/router/src/test/java/de/ozgcloud/eingang/router/VorgangManagerListPropertiesTestFactory.java
+++ b/router/src/test/java/de/ozgcloud/eingang/router/VorgangManagerListPropertiesTestFactory.java
@@ -69,7 +69,8 @@ class VorgangManagerListPropertiesTestFactory {
 	}
 
 	static GrpcClientsProperties createClientProperties() {
-		var property = new ClientProperty(ADDRESS, "TLS");
+		var property = new ClientProperty();
+		property.setAddress(ADDRESS);
 		var properties = new GrpcClientsProperties();
 		properties.setClient(Map.of(CHANNEL_NAME, property));
 		return properties;