After dropping tables on my MariaDB 10.0.13 database server, the .frm files are removed ​but the .ibd files remain behind.

Has anyone seen this before?

Thanks....  Andrew

mysqld  Ver 10.0.13-MariaDB-1~trusty for debian-linux-gnu on x86_64 (mariadb.org binary distribution)

DISTRIB_ID=Ubuntu

DISTRIB_RELEASE=14.04

DISTRIB_CODENAME=trusty

DISTRIB_DESCRIPTION="Ubuntu 14.04.1 LTS"

NAME="Ubuntu"

VERSION="14.04.1 LTS, Trusty Tahr"

ID=ubuntu

ID_LIKE=debian

PRETTY_NAME="Ubuntu 14.04.1 LTS"

VERSION_ID="14.04"

HOME_URL="http://www.ubuntu.com/"

SUPPORT_URL="http://help.ubuntu.com/"

BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"​