diff --git a/os/common/startup/ARMCAx-TZ/devices/SAMA5D2/mmu.c b/os/common/startup/ARMCAx-TZ/devices/SAMA5D2/mmu.c
index 4d29be569..0e1bfce8d 100644
--- a/os/common/startup/ARMCAx-TZ/devices/SAMA5D2/mmu.c
+++ b/os/common/startup/ARMCAx-TZ/devices/SAMA5D2/mmu.c
@@ -25,8 +25,6 @@
  * @{
  */
 
-#if defined(CH_CFG_USE_MMU) || defined(__DOXYGEN__)
-
 #include <stddef.h>
 #include <stdint.h>
 #include <stdbool.h>
@@ -366,6 +364,4 @@ void __core_init(void) {
   }
 }
 
-#endif /* CH_CFG_USE_MMU */
-
 /** @} */
diff --git a/os/common/startup/ARMCAx-TZ/devices/SAMA5D2/mmu.h b/os/common/startup/ARMCAx-TZ/devices/SAMA5D2/mmu.h
index edf203f5d..95ef15854 100644
--- a/os/common/startup/ARMCAx-TZ/devices/SAMA5D2/mmu.h
+++ b/os/common/startup/ARMCAx-TZ/devices/SAMA5D2/mmu.h
@@ -28,8 +28,6 @@
 #ifndef MMU_H
 #define MMU_H
 
-#if defined(CH_CFG_USE_MMU) || defined(__DOXYGEN__)
-
 /*===========================================================================*/
 /* Module constants.                                                         */
 /*===========================================================================*/
@@ -106,8 +104,6 @@ extern "C" {
 /* Module inline functions.                                                  */
 /*===========================================================================*/
 
-#endif /* CH_CFG_USE_MMU */
-
 #endif /* MMU_H */
 
 /** @} */