diff --git a/jDnsProxy/src/main/java/com/moparisthebest/dns/resolve/BaseRequestResponse.java b/jDnsProxy/src/main/java/com/moparisthebest/dns/resolve/BaseRequestResponse.java
index a12ba09..defd98c 100644
--- a/jDnsProxy/src/main/java/com/moparisthebest/dns/resolve/BaseRequestResponse.java
+++ b/jDnsProxy/src/main/java/com/moparisthebest/dns/resolve/BaseRequestResponse.java
@@ -11,8 +11,6 @@ public class BaseRequestResponse implements RequestResponse {
 
     private Packet request, response;
 
-    private String requestPacketKey;
-
     public BaseRequestResponse() {
     }
 
@@ -39,22 +37,11 @@ public class BaseRequestResponse implements RequestResponse {
         this.response = response;
     }
 
-    @Override
-    public String getRequestPacketKey() {
-        return requestPacketKey;
-    }
-
-    @Override
-    public void setRequestPacketKey(final String requestPacketKey) {
-        this.requestPacketKey = requestPacketKey;
-    }
-
     @Override
     public String toString() {
         return "BaseRequestResponse{" +
                 "request=" + request +
                 ", response=" + response +
-                ", requestPacketKey=" + requestPacketKey +
                 '}';
     }
 }
diff --git a/jDnsProxy/src/main/java/com/moparisthebest/dns/resolve/CacheResolver.java b/jDnsProxy/src/main/java/com/moparisthebest/dns/resolve/CacheResolver.java
index 6573139..19919d8 100644
--- a/jDnsProxy/src/main/java/com/moparisthebest/dns/resolve/CacheResolver.java
+++ b/jDnsProxy/src/main/java/com/moparisthebest/dns/resolve/CacheResolver.java
@@ -99,8 +99,7 @@ public class CacheResolver extends WrappingResolver {
             final long currentTime = currentTimeSeconds();
             if (response.isExpired(currentTime)) {
                 //System.out.println("cachedPacket isExpired!");
-                requestResponse.setRequestPacketKey(key);
-                final CompletableFuture<E> request = requestAndCache(requestResponse, executor);
+                final CompletableFuture<E> request = requestAndCache(key, requestResponse, executor);
                 final CompletableFuture<E> stale = supplyAsyncOnTimeOut(scheduledExecutorService, staleResponseTimeout, TimeUnit.MILLISECONDS, () -> {
                     requestResponse.setResponse(response.getStaleResponse().setId(requestResponse.getRequest().getId()));
                     return requestResponse;
@@ -113,8 +112,7 @@ public class CacheResolver extends WrappingResolver {
             }
         }
         //System.out.println("no cachedPacket, querying upstream!");
-        requestResponse.setRequestPacketKey(key);
-        return requestAndCache(requestResponse, executor);
+        return requestAndCache(key, requestResponse, executor);
         /*
         // todo: should not have to do this, some upstreams seem to eat stuff though, figure that out, I think readTimeout fixed this
         final CompletableFuture<E> request = requestAndCache(requestResponse);
@@ -125,12 +123,12 @@ public class CacheResolver extends WrappingResolver {
         */
     }
 
-    private <E extends RequestResponse> CompletableFuture<E> requestAndCache(final E requestResponse, final Executor executor) {
+    private <E extends RequestResponse> CompletableFuture<E> requestAndCache(final String key, final E requestResponse, final Executor executor) {
         final CompletableFuture<E> request = delegate.resolveAsync(requestResponse, executor);
         request.thenAcceptAsync(s -> {
             final Packet response = s.getResponse().copy(); // todo: do we need to copy?
             final long currentTime = currentTimeSeconds();
-            cache.put(s.getRequestPacketKey(), new CachedPacket(response, currentTime, currentTime + response.getLowestTtl()));
+            cache.put(key, new CachedPacket(response, currentTime, currentTime + response.getLowestTtl()));
         }, executor);
         return request;
     }
diff --git a/jDnsProxy/src/main/java/com/moparisthebest/dns/resolve/RequestResponse.java b/jDnsProxy/src/main/java/com/moparisthebest/dns/resolve/RequestResponse.java
index bc2d7de..c915ef1 100644
--- a/jDnsProxy/src/main/java/com/moparisthebest/dns/resolve/RequestResponse.java
+++ b/jDnsProxy/src/main/java/com/moparisthebest/dns/resolve/RequestResponse.java
@@ -8,10 +8,4 @@ public interface RequestResponse {
     Packet getRequest();
     Packet getResponse();
     void setResponse(Packet response);
-
-    /**
-     * These should only be used by resolvers, may be null
-     */
-    String getRequestPacketKey();
-    void setRequestPacketKey(String key);
 }