diff --git a/spring-web-reactive/src/test/java/org/springframework/http/server/reactive/FlushingIntegrationTests.java b/spring-web-reactive/src/test/java/org/springframework/http/server/reactive/FlushingIntegrationTests.java
index 831e5a55ad3987ba943ac8fa8f0efed0980df2b1..16b608e60eeffe08b15ea0401ade87aac621a314 100644
--- a/spring-web-reactive/src/test/java/org/springframework/http/server/reactive/FlushingIntegrationTests.java
+++ b/spring-web-reactive/src/test/java/org/springframework/http/server/reactive/FlushingIntegrationTests.java
@@ -72,7 +72,7 @@ public class FlushingIntegrationTests extends AbstractHttpHandlerIntegrationTest
 		@Override
 		public Mono<Void> handle(ServerHttpRequest request, ServerHttpResponse response) {
 			Flux<DataBuffer> responseBody = Flux
-					.interval(50)
+					.intervalMillis(50)
 					.map(l -> {
 						byte[] data = ("data" + l).getBytes();
 						DataBuffer buffer = response.bufferFactory().allocateBuffer(data.length);
diff --git a/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/method/annotation/RequestMappingIntegrationTests.java b/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/method/annotation/RequestMappingIntegrationTests.java
index 3b5a3323190ee402b9d4980d675ef2dd328c980f..b5fc3627b2f419b57e5949c685c01315a87347c9 100644
--- a/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/method/annotation/RequestMappingIntegrationTests.java
+++ b/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/method/annotation/RequestMappingIntegrationTests.java
@@ -82,7 +82,7 @@ public class RequestMappingIntegrationTests extends AbstractRequestMappingIntegr
 
 		@GetMapping("/stream-result")
 		public Publisher<Long> stringStreamResponseBody() {
-			return Flux.interval(100).take(5);
+			return Flux.intervalMillis(100).take(5);
 		}
 
 	}