diff --git a/src/Config.php b/src/Config.php
index 7cb889e..a52b915 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -57,6 +57,14 @@ public function set($key, $value)
      * {@inheritdoc}
      */
     public function import($data)
+    {
+        return $this->replace($data);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function replace($data)
     {
         $this->config = new Data($data);
         return $this;
diff --git a/src/ConfigInterface.php b/src/ConfigInterface.php
index 35b85b4..5124ea1 100644
--- a/src/ConfigInterface.php
+++ b/src/ConfigInterface.php
@@ -35,14 +35,30 @@ public function set($key, $value);
      * Import configuration from the provided nexted array, replacing whatever
      * was here previously. No processing is done on the provided data.
      *
+     * @deprecated Use 'replace'. Dflydev\DotAccessData\Data::import() merges, which is confusing, since this method replaces.
+     *
      * @param array $data
      * @return Config
      */
     public function import($data);
 
+    /**
+     * Load configuration from the provided nexted array, replacing whatever
+     * was here previously. No processing is done on the provided data.
+     *
+     * TODO: This will become a required method in version 2.0. Adding now
+     * would break clients that implement ConfigInterface.
+     *
+     * @param array $data
+     * @return Config
+     */
+    // public function replace($data);
+
     /**
      * Import configuration from the provided nexted array, merging with whatever
      * was here previously. No processing is done on the provided data.
+     * Any data provided to the combine() method will overwrite existing data
+     * with the same key.
      *
      * TODO: This will become a required method in version 2.0. Adding now
      * would break clients that implement ConfigInterface.
diff --git a/src/Util/ConfigOverlay.php b/src/Util/ConfigOverlay.php
index 24b345a..d1f1269 100644
--- a/src/Util/ConfigOverlay.php
+++ b/src/Util/ConfigOverlay.php
@@ -137,7 +137,15 @@ public function set($key, $value)
      */
     public function import($data)
     {
-        throw new \Exception('The method "import" is not supported for the ConfigOverlay class.');
+        $this->unsupported(__FUNCTION__);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function replace($data)
+    {
+        $this->unsupported(__FUNCTION__);
     }
 
     /**
@@ -145,7 +153,15 @@ public function import($data)
      */
     public function combine($data)
     {
-        throw new \Exception('The method "combine" is not supported for the ConfigOverlay class.');
+        $this->unsupported(__FUNCTION__);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function unsupported($fn)
+    {
+        throw new \Exception("The method '$fn' is not supported for the ConfigOverlay class.");
     }
 
     /**