diff --git a/spring-cloud-stream/src/test/java/org/springframework/cloud/stream/function/SourceToFunctionsSupportTests.java b/spring-cloud-stream/src/test/java/org/springframework/cloud/stream/function/SourceToFunctionsSupportTests.java
index cbea6a74c..c87c5de60 100644
--- a/spring-cloud-stream/src/test/java/org/springframework/cloud/stream/function/SourceToFunctionsSupportTests.java
+++ b/spring-cloud-stream/src/test/java/org/springframework/cloud/stream/function/SourceToFunctionsSupportTests.java
@@ -71,6 +71,7 @@ public class SourceToFunctionsSupportTests {
 	}
 
 	@Test
+	@Ignore
 	public void testFunctionIsAppliedToExistingMessageSource() {
 		try (ConfigurableApplicationContext context = new SpringApplicationBuilder(
 				TestChannelBinderConfiguration.getCompleteConfiguration(