diff --git a/spring-cloud-function-adapters/spring-cloud-function-serverless-web/src/test/java/org/springframework/cloud/function/serverless/web/RequestResponseTests.java b/spring-cloud-function-adapters/spring-cloud-function-serverless-web/src/test/java/org/springframework/cloud/function/serverless/web/RequestResponseTests.java
index 844c39474..71be6ee79 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-serverless-web/src/test/java/org/springframework/cloud/function/serverless/web/RequestResponseTests.java
+++ b/spring-cloud-function-adapters/spring-cloud-function-serverless-web/src/test/java/org/springframework/cloud/function/serverless/web/RequestResponseTests.java
@@ -29,7 +29,6 @@ import org.springframework.cloud.function.test.app.Pet;
 import org.springframework.cloud.function.test.app.PetStoreSpringAppConfig;
 import org.springframework.cloud.function.test.app.PetStoreSpringAppConfig.AnotherFilter;
 import org.springframework.cloud.function.test.app.PetStoreSpringAppConfig.SimpleFilter;
-import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -57,7 +56,7 @@ public class RequestResponseTests {
 	public void after() {
 		this.mvc.stop();
 	}
-	
+
 	@Test
 	public void validateCaseInsensitiveHeaders() throws Exception {
 		ServerlessHttpServletRequest request = new ServerlessHttpServletRequest(null, "GET", "/index");
@@ -65,7 +64,7 @@ public class RequestResponseTests {
 		request.setHeader("uSer-Agent", "FOO");
 		request.setContentType("application/json");
 		request.setHeader("CoNteNt-tYpe", "text/plain");
-		
+
 		assertThat(request.getHeader("content-TYPE")).isEqualTo("application/json");
 		assertThat(request.getHeader("user-agenT")).isEqualTo("iOS");
 	}