diff --git a/sys/cddl/dev/dtrace/dtrace_cddl.h b/sys/cddl/dev/dtrace/dtrace_cddl.h
index 95317955c10..42a4721fbb9 100644
--- a/sys/cddl/dev/dtrace/dtrace_cddl.h
+++ b/sys/cddl/dev/dtrace/dtrace_cddl.h
@@ -25,8 +25,6 @@
 
 #include <sys/proc.h>
 
-#define LOCK_LEVEL	10
-
 /*
  * Kernel DTrace extension to 'struct proc' for FreeBSD.
  */