diff --git a/src/HttpProxyResponse.php b/src/HttpProxyResponse.php
index eab0a97..bd3eadb 100644
--- a/src/HttpProxyResponse.php
+++ b/src/HttpProxyResponse.php
@@ -42,7 +42,6 @@ class HttpProxyResponse extends Response
         'date',
         'last-modified',
         'etag',
-        'cache',
         'pragma',
         'expires',
         'cache-control'