diff --git a/arch/arm/src/samdl/chip/samd_wdt.h b/arch/arm/src/samdl/chip/samd_wdt.h
index f284249de0..70022528e9 100644
--- a/arch/arm/src/samdl/chip/samd_wdt.h
+++ b/arch/arm/src/samdl/chip/samd_wdt.h
@@ -47,7 +47,6 @@
 #include <nuttx/config.h>
 
 #include "chip.h"
-#include "chip/sam_sercom.h"
 
 #ifdef CONFIG_ARCH_FAMILY_SAMD20