diff --git a/reactos/lib/advapi32/sec/misc.c b/reactos/lib/advapi32/sec/misc.c
index 6bd408aec4c..5fd35c83847 100644
--- a/reactos/lib/advapi32/sec/misc.c
+++ b/reactos/lib/advapi32/sec/misc.c
@@ -6,9 +6,6 @@
  */
 
 #include <advapi32.h>
-#include <accctrl.h>
-#include <malloc.h>
-#include <ntsecapi.h>
 
 #define NDEBUG
 #include <debug.h>
diff --git a/reactos/lib/advapi32/sec/sec.c b/reactos/lib/advapi32/sec/sec.c
index 1b5b7dd5c42..b77b1233217 100644
--- a/reactos/lib/advapi32/sec/sec.c
+++ b/reactos/lib/advapi32/sec/sec.c
@@ -12,6 +12,8 @@
  */
 
 #include <advapi32.h>
+
+#define NDEBUG
 #include <debug.h>
 
 /*
diff --git a/reactos/lib/advapi32/sec/trustee.c b/reactos/lib/advapi32/sec/trustee.c
index a0adf3fa57d..7e158fbab1e 100644
--- a/reactos/lib/advapi32/sec/trustee.c
+++ b/reactos/lib/advapi32/sec/trustee.c
@@ -9,7 +9,7 @@
 #include <advapi32.h>
 
 #define NDEBUG
-#include "debug.h"
+#include <debug.h>
 
 
 /******************************************************************************