diff --git a/src/main/java/com/typesafe/config/ConfigObject.java b/src/main/java/com/typesafe/config/ConfigObject.java
index 4d74a000..88afa9ca 100644
--- a/src/main/java/com/typesafe/config/ConfigObject.java
+++ b/src/main/java/com/typesafe/config/ConfigObject.java
@@ -25,6 +25,13 @@ import java.util.Map;
  */
 public interface ConfigObject extends ConfigValue, Map<String, ConfigValue> {
 
+    /**
+     * Recursively unwraps the object, returning a map from String to whatever
+     * plain Java values are unwrapped from the object's values.
+     */
+    @Override
+    Map<String, Object> unwrapped();
+
     boolean getBoolean(String path);
 
     Number getNumber(String path);
diff --git a/src/main/java/com/typesafe/config/impl/AbstractConfigObject.java b/src/main/java/com/typesafe/config/impl/AbstractConfigObject.java
index fc81b487..b789b634 100644
--- a/src/main/java/com/typesafe/config/impl/AbstractConfigObject.java
+++ b/src/main/java/com/typesafe/config/impl/AbstractConfigObject.java
@@ -25,9 +25,6 @@ abstract class AbstractConfigObject extends AbstractConfigValue implements
         this.transformer = transformer;
     }
 
-    @Override
-    abstract public Map<String, Object> unwrapped();
-
     /**
      * This looks up the key with no transformation or type conversion of any
      * kind, and returns null if the key is not present.