diff --git a/cpu/saml1x/Kconfig b/cpu/saml1x/Kconfig
index 0ca51908ba..77bb7486a8 100644
--- a/cpu/saml1x/Kconfig
+++ b/cpu/saml1x/Kconfig
@@ -9,7 +9,6 @@ config CPU_COMMON_SAML1X
     bool
     select CPU_COMMON_SAM0
     select CPU_CORE_CORTEX_M23
-    select HAS_CORTEXM_MPU
     select HAS_CPU_SAML1X
     select HAS_PERIPH_HWRNG
 
diff --git a/cpu/saml1x/Makefile.features b/cpu/saml1x/Makefile.features
index 2b005dda64..70afaf4b9b 100644
--- a/cpu/saml1x/Makefile.features
+++ b/cpu/saml1x/Makefile.features
@@ -8,7 +8,9 @@ else
   $(error Unknown saml1x CPU Model: $(CPU_MODEL))
 endif
 
-FEATURES_PROVIDED += cortexm_mpu
+# TODO: The cortex-m23 MPU is not ported
+# FEATURES_PROVIDED += cortexm_mpu
+
 FEATURES_PROVIDED += periph_hwrng
 
 include $(RIOTCPU)/sam0_common/Makefile.features