diff --git a/reactor-netty5-core/src/test/java/reactor/netty5/NettyOutboundTest.java b/reactor-netty5-core/src/test/java/reactor/netty5/NettyOutboundTest.java
index 1a7ed7802e..34dfab496f 100644
--- a/reactor-netty5-core/src/test/java/reactor/netty5/NettyOutboundTest.java
+++ b/reactor-netty5-core/src/test/java/reactor/netty5/NettyOutboundTest.java
@@ -163,6 +163,7 @@ protected void encodeAndClose(ChannelHandlerContext ctx, Buffer msg,
 							List<Object> out) {
 						clearMessages.add(msg.readCharSequence(msg.readableBytes(), StandardCharsets.UTF_8));
 						out.add(msg.split());
+						msg.close();
 					}
 				},
 				//transform the ChunkedFile into Buffer chunks:
@@ -255,6 +256,7 @@ void sendFileWithForceChunkedFileUsesStrategyChunks()
 					protected void encodeAndClose(ChannelHandlerContext ctx, Buffer msg,
 							List<Object> out) {
 						out.add(msg.readCharSequence(msg.readableBytes(), StandardCharsets.UTF_8));
+						msg.close();
 					}
 				},
 				//transform the ChunkedFile into Buffer chunks:
@@ -338,4 +340,4 @@ static <S> Mono<Void> mockSendUsing(Connection c, Callable<? extends S> sourceIn
 				sourceCleanup
 		);
 	}
-}
\ No newline at end of file
+}