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 d56eb160c..44a0f17f2 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
@@ -64,6 +64,11 @@ public class SourceToFunctionsSupportTests {
 		System.clearProperty("spring.cloud.stream.function.definition");
 	}
 
+	@BeforeEach
+	public void after() {
+		System.clearProperty("spring.cloud.stream.function.definition");
+	}
+
 	@Test
 	@Disabled
 	@Ignore