diff --git a/user/src/com/google/web/bindery/autobean/vm/impl/JsonSplittable.java b/user/src/com/google/web/bindery/autobean/vm/impl/JsonSplittable.java
index 913b50d..c8059a5 100644
--- a/user/src/com/google/web/bindery/autobean/vm/impl/JsonSplittable.java
+++ b/user/src/com/google/web/bindery/autobean/vm/impl/JsonSplittable.java
@@ -285,14 +285,6 @@
     return array.length();
   }
 
-  /**
-   * For debugging use only.
-   */
-  @Override
-  public String toString() {
-    return getPayload();
-  }
-
   private synchronized JsonSplittable makeSplittable(Object object) {
     if (JSONObject.NULL.equals(object)) {
       return null;
diff --git a/user/src/com/google/web/bindery/requestfactory/shared/impl/AbstractRequestContext.java b/user/src/com/google/web/bindery/requestfactory/shared/impl/AbstractRequestContext.java
index 28bbb8f..8662756 100644
--- a/user/src/com/google/web/bindery/requestfactory/shared/impl/AbstractRequestContext.java
+++ b/user/src/com/google/web/bindery/requestfactory/shared/impl/AbstractRequestContext.java
@@ -271,11 +271,11 @@
       sb.append("[");
       if (it.hasNext()) {
         // TODO: Allow for the encoding of nested collections. See issue 5974.
-        sb.append(nonCollectionEncode(it.next()));
+        sb.append(nonCollectionEncode(it.next()).getPayload());
         while (it.hasNext()) {
           sb.append(",");
           // TODO: Allow for the encoding of nested collections. See issue 5974.
-          sb.append(nonCollectionEncode(it.next()));
+          sb.append(nonCollectionEncode(it.next()).getPayload());
         }
       }
       sb.append("]");