diff --git a/include/proto/proto_http.h b/include/proto/proto_http.h
index 0598df8..2961eae 100644
--- a/include/proto/proto_http.h
+++ b/include/proto/proto_http.h
@@ -73,6 +73,8 @@
 int htx_req_replace_stline(int action, const char *replace, int len,
 			   struct proxy *px, struct stream *s);
 void htx_res_set_status(unsigned int status, const char *reason, struct stream *s);
+void htx_check_request_for_cacheability(struct stream *s, struct channel *req);
+void htx_check_response_for_cacheability(struct stream *s, struct channel *res);
 void htx_server_error(struct stream *s, struct stream_interface *si, int err, int finst, const struct buffer *msg);
 void htx_reply_and_close(struct stream *s, short status, struct buffer *msg);