diff --git a/spring-test/src/test/java/org/springframework/test/web/servlet/samples/standalone/MultipartControllerTests.java b/spring-test/src/test/java/org/springframework/test/web/servlet/samples/standalone/MultipartControllerTests.java
index 67400f7dac9..f525ac79712 100644
--- a/spring-test/src/test/java/org/springframework/test/web/servlet/samples/standalone/MultipartControllerTests.java
+++ b/spring-test/src/test/java/org/springframework/test/web/servlet/samples/standalone/MultipartControllerTests.java
@@ -387,6 +387,7 @@ public class MultipartControllerTests {
 			return file;
 		}
 
+		@SuppressWarnings("unused")
 		public void setFile(MultipartFile file) {
 			this.file = file;
 		}