diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index ea5882e..4f076a0 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -33,7 +33,6 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 #define MDB_VL32	1
-#define MDB_DEBUG	3
 
 #ifndef _GNU_SOURCE
 #define _GNU_SOURCE 1