diff --git a/reactos/ntoskrnl/nt/ntsem.c b/reactos/ntoskrnl/nt/ntsem.c
index 8292b0097a1..39efb133dea 100644
--- a/reactos/ntoskrnl/nt/ntsem.c
+++ b/reactos/ntoskrnl/nt/ntsem.c
@@ -13,6 +13,7 @@
 #include <ddk/ntddk.h>
 #include <internal/ob.h>
 
+#define NDEBUG
 #include <internal/debug.h>
 
 /* GLOBALS ******************************************************************/
diff --git a/reactos/ntoskrnl/ps/kill.c b/reactos/ntoskrnl/ps/kill.c
index 6eb3ae38c33..338640b8dd5 100644
--- a/reactos/ntoskrnl/ps/kill.c
+++ b/reactos/ntoskrnl/ps/kill.c
@@ -171,7 +171,7 @@ VOID PsTerminateOtherThread(PETHREAD Thread, NTSTATUS ExitStatus)
 NTSTATUS STDCALL PiTerminateProcess(PEPROCESS Process,
 				    NTSTATUS ExitStatus)
 {
-   DPRINT1("PiTerminateProcess(Process %x, ExitStatus %x) RC %d HC %d\n",
+   DPRINT("PiTerminateProcess(Process %x, ExitStatus %x) RC %d HC %d\n",
 	   Process, ExitStatus, ObGetReferenceCount(Process),
 	   ObGetHandleCount(Process));