diff --git a/bin/tests/rbt_test.c b/bin/tests/rbt_test.c
index 5eb4a0668d..2165af013e 100644
--- a/bin/tests/rbt_test.c
+++ b/bin/tests/rbt_test.c
@@ -15,16 +15,12 @@
  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rbt_test.c,v 1.40 2000/11/20 22:01:53 gson Exp $ */
+/* $Id: rbt_test.c,v 1.41 2000/11/20 22:05:35 gson Exp $ */
 
 #include <config.h>
 
 #include <stdlib.h>
 
-#ifndef ISC_MEM_TRACKLINES
-#define ISC_MEM_TRACKLINES
-#endif
-
 #include <isc/commandline.h>
 #include <isc/mem.h>
 #include <isc/string.h>