diff --git a/controller/RethinkDB.hpp b/controller/RethinkDB.hpp
index 2d7ba58e9..c2050ab1b 100644
--- a/controller/RethinkDB.hpp
+++ b/controller/RethinkDB.hpp
@@ -16,8 +16,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#define ZT_CONTROLLER_USE_RETHINKDB
-
 #ifdef ZT_CONTROLLER_USE_RETHINKDB
 
 #ifndef ZT_CONTROLLER_RETHINKDB_HPP