diff --git a/spring-integration-file/src/main/java/org/springframework/integration/file/splitter/FileSplitter.java b/spring-integration-file/src/main/java/org/springframework/integration/file/splitter/FileSplitter.java
index 24713e7303..93783cd0dd 100644
--- a/spring-integration-file/src/main/java/org/springframework/integration/file/splitter/FileSplitter.java
+++ b/spring-integration-file/src/main/java/org/springframework/integration/file/splitter/FileSplitter.java
@@ -43,10 +43,9 @@ import org.springframework.integration.support.json.JsonObjectMapper;
 import org.springframework.integration.support.json.JsonObjectMapperProvider;
 import org.springframework.messaging.Message;
 import org.springframework.messaging.MessageHandlingException;
+import org.springframework.util.Assert;
 import org.springframework.util.StringUtils;
 
-import reactor.core.support.Assert;
-
 /**
  * The {@link AbstractMessageSplitter} implementation to split the {@link File}
  * Message payload to lines.