diff --git a/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/config/JsonMessageConverter.java b/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/config/JsonMessageConverter.java
index 41fa0b6e6..ebf023642 100644
--- a/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/config/JsonMessageConverter.java
+++ b/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/config/JsonMessageConverter.java
@@ -16,8 +16,6 @@
 
 package org.springframework.cloud.function.context.config;
 
-import java.io.ByteArrayOutputStream;
-import java.io.DataOutputStream;
 import java.lang.reflect.Type;
 import java.nio.charset.StandardCharsets;