diff --git a/spring-websocket/src/main/java/org/springframework/web/socket/client/AbstractWebSocketClient.java b/spring-websocket/src/main/java/org/springframework/web/socket/client/AbstractWebSocketClient.java
index 831ee1e47b6..9e341b92d4a 100644
--- a/spring-websocket/src/main/java/org/springframework/web/socket/client/AbstractWebSocketClient.java
+++ b/spring-websocket/src/main/java/org/springframework/web/socket/client/AbstractWebSocketClient.java
@@ -48,7 +48,6 @@ public abstract class AbstractWebSocketClient implements WebSocketClient {
 
 	static {
 		specialHeaders.add("cache-control");
-		specialHeaders.add("cookie");
 		specialHeaders.add("connection");
 		specialHeaders.add("host");
 		specialHeaders.add("sec-websocket-extensions");