diff --git a/includes/cache-install.inc b/includes/cache-install.inc
index 9e0dd01..ecabc87 100644
--- a/includes/cache-install.inc
+++ b/includes/cache-install.inc
@@ -17,6 +17,14 @@
 class DrupalFakeCache extends DrupalDatabaseCache implements DrupalCacheInterface {
 
   /**
+   * Constructs a fake cache interface.
+   *
+   * @param $bin
+   *   The cache bin for which the object is created.
+   */
+  function __construct($bin);
+
+  /**
    * Overrides DrupalDatabaseCache::get().
    */
   function get($cid) {
diff --git a/includes/cache.inc b/includes/cache.inc
index f76164b..c2a5146 100644
--- a/includes/cache.inc
+++ b/includes/cache.inc
@@ -217,13 +217,6 @@
  * @see DrupalDatabaseCache
  */
 interface DrupalCacheInterface {
-  /**
-   * Constructs a new cache interface.
-   *
-   * @param $bin
-   *   The cache bin for which the object is created.
-   */
-  function __construct($bin);
 
   /**
    * Returns data from the persistent cache.
@@ -311,7 +304,10 @@
   protected $bin;
 
   /**
-   * Constructs a new DrupalDatabaseCache object.
+   * Constructs a DrupalDatabaseCache object.
+   *
+   * @param $bin
+   *   The cache bin for which the object is created.
    */
   function __construct($bin) {
     $this->bin = $bin;
diff --git a/includes/entity.inc b/includes/entity.inc
index 2fefd59..25f7584 100644
--- a/includes/entity.inc
+++ b/includes/entity.inc
@@ -14,14 +14,6 @@
 interface DrupalEntityControllerInterface {
 
   /**
-   * Constructor.
-   *
-   * @param $entityType
-   *   The entity type for which the instance is created.
-   */
-  public function __construct($entityType);
-
-  /**
    * Resets the internal, static entity cache.
    *
    * @param $ids
@@ -119,6 +111,9 @@
 
   /**
    * Constructor: sets basic variables.
+   *
+   * @param $entityType
+   *   The entity type for which the instance is created.
    */
   public function __construct($entityType) {
     $this->entityType = $entityType;
@@ -634,7 +629,7 @@
 
   /**
    * Adds a condition on field values.
-   * 
+   *
    * Note that entities with empty field values will be excluded from the
    * EntityFieldQuery results when using this method.
    *
diff --git a/modules/system/system.queue.inc b/modules/system/system.queue.inc
index 47d8e7c..901c4d6 100644
--- a/modules/system/system.queue.inc
+++ b/modules/system/system.queue.inc
@@ -97,13 +97,6 @@
 }
 
 interface DrupalQueueInterface {
-  /**
-   * Start working with a queue.
-   *
-   * @param $name
-   *   Arbitrary string. The name of the queue to work with.
-   */
-  public function __construct($name);
 
   /**
    * Add a queue item and store it directly to the queue.
@@ -315,6 +308,12 @@
    */
   protected $id_sequence;
 
+  /**
+   * Start working with a queue.
+   *
+   * @param $name
+   *   Arbitrary string. The name of the queue to work with.
+   */
   public function __construct($name) {
     $this->queue = array();
     $this->id_sequence = 0;