Index: src/bp-blogs/bp-blogs-functions.php
===================================================================
--- src/bp-blogs/bp-blogs-functions.php
+++ src/bp-blogs/bp-blogs-functions.php
@@ -409,6 +409,20 @@
 add_action( 'update_option_thread_comments_depth', 'bp_blogs_update_option_thread_comments_depth', 10, 2 );
 
 /**
+ * Deletes the 'url' blogmeta for a site updated in the Network Admin area.
+ *
+ * @since BuddyPress (2.3.0)
+ *
+ * @access private
+ */
+function _bp_blogs_delete_url_blogmeta_on_network_admin_edit() {
+	if ( ! empty( $_GET['action'] ) && 'update-site' == $_GET['action'] ) {
+		bp_blogs_delete_blogmeta( (int) $_POST['id'], 'url' );
+	}
+}
+add_action( 'load-site-info.php', '_bp_blogs_delete_url_blogmeta_on_network_admin_edit' );
+
+/**
  * Record activity metadata about a published blog post.
  *
  * @since BuddyPress (2.2.0)