diff --git a/drivers/pci/pci_epf.c b/drivers/pci/pci_epf.c
index 8b9ba80a5fc..c748cf0306a 100644
--- a/drivers/pci/pci_epf.c
+++ b/drivers/pci/pci_epf.c
@@ -22,24 +22,17 @@
  * Included Files
  ****************************************************************************/
 
-#include <string.h>
 #include <assert.h>
 #include <errno.h>
 #include <debug.h>
+#include <string.h>
 
 #include <nuttx/lib/math32.h>
+#include <nuttx/nuttx.h>
 #include <nuttx/kmalloc.h>
 #include <nuttx/pci/pci_epc.h>
 #include <nuttx/pci/pci_epf.h>
 
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-#ifndef ALIGN_UP
-#  define ALIGN_UP(s, a)            (((s) + (a) - 1) & ~((a) - 1))
-#endif
-
 /****************************************************************************
  * Private Data
  ****************************************************************************/