Index: src/wp-includes/post.php
===================================================================
--- src/wp-includes/post.php	(revision 33611)
+++ src/wp-includes/post.php	(working copy)
@@ -1552,6 +1552,7 @@
 		// Primitive capabilities used outside of map_meta_cap():
 		'edit_posts'         => 'edit_'         . $plural_base,
 		'edit_others_posts'  => 'edit_others_'  . $plural_base,
+		'delete_posts'       => 'delete_'   . $plural_base,
 		'publish_posts'      => 'publish_'      . $plural_base,
 		'read_private_posts' => 'read_private_' . $plural_base,
 	);
@@ -1560,7 +1561,6 @@
 	if ( $args->map_meta_cap ) {
 		$default_capabilities_for_mapping = array(
 			'read'                   => 'read',
-			'delete_posts'           => 'delete_'           . $plural_base,
 			'delete_private_posts'   => 'delete_private_'   . $plural_base,
 			'delete_published_posts' => 'delete_published_' . $plural_base,
 			'delete_others_posts'    => 'delete_others_'    . $plural_base,