--- /dev/null
+<?php
+
+/**
+ * @file
+ * Hooks provided by the Layout Plugin module.
+ */
+
+/**
+ * @addtogroup hooks
+ * @{
+ */
+
+/**
+ * Allow modules to alter layout plugin definitions.
+ *
+ * @param array[] $definitions
+ * The array of layout definitions, keyed by plugin ID.
+ */
+function hook_layout_alter(&$definitions) {
+ // Remove a layout.
+ unset($definitions['twocol']);
+}
+
+/**
+ * @} End of "addtogroup hooks".
+ */