--- a/src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/internal/common/HttpHeadersImpl.java	Wed Nov 08 22:51:18 2017 +0000
+++ b/src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/internal/common/HttpHeadersImpl.java	Thu Nov 09 15:24:39 2017 +0300
@@ -30,8 +30,6 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
-import java.util.Optional;
-import java.util.OptionalLong;
 import java.util.Set;
 import java.util.TreeMap;