diff --git a/cpu/cortexm_common/Kconfig b/cpu/cortexm_common/Kconfig
index ee967bb232..258735e02b 100644
--- a/cpu/cortexm_common/Kconfig
+++ b/cpu/cortexm_common/Kconfig
@@ -77,6 +77,7 @@ config CPU_CORE_CORTEX_M23
     bool
     select CPU_ARCH_ARMV8M
     select CPU_CORE_CORTEX_M
+    #select HAS_RUST_TARGET
 
 config CPU_CORE_CORTEX_M3
     bool
@@ -88,6 +89,7 @@ config CPU_CORE_CORTEX_M33
     bool
     select CPU_ARCH_ARMV8M
     select CPU_CORE_CORTEX_M
+    #select HAS_RUST_TARGET
 
 config CPU_CORE_CORTEX_M4
     bool
diff --git a/cpu/cortexm_common/Makefile.features b/cpu/cortexm_common/Makefile.features
index 716e970875..e77c658341 100644
--- a/cpu/cortexm_common/Makefile.features
+++ b/cpu/cortexm_common/Makefile.features
@@ -29,11 +29,13 @@ else ifeq ($(CPU_CORE),cortex-m0plus)
   RUST_TARGET = thumbv6m-none-eabi
 else ifeq ($(CPU_CORE),cortex-m23)
   CPU_ARCH := armv8m
+  #RUST_TARGET = thumbv8m.base-none-eabi
 else ifeq ($(CPU_CORE),cortex-m3)
   CPU_ARCH := armv7m
   RUST_TARGET = thumbv7m-none-eabi
 else ifeq ($(CPU_CORE),cortex-m33)
   CPU_ARCH := armv8m
+  #RUST_TARGET = thumbv8m.main-none-eabi
 else ifeq ($(CPU_CORE),cortex-m4)
   CPU_ARCH := armv7m
   RUST_TARGET = thumbv7em-none-eabi
diff --git a/examples/rust-gcoap/Makefile.ci b/examples/rust-gcoap/Makefile.ci
index d23fbc8ea9..136960a4e9 100644
--- a/examples/rust-gcoap/Makefile.ci
+++ b/examples/rust-gcoap/Makefile.ci
@@ -13,6 +13,8 @@ BOARD_INSUFFICIENT_MEMORY := \
     nucleo-l031k6 \
     nucleo-l053r8 \
     samd10-xmini \
+    saml10-xpro \
+    saml11-xpro \
     slstk3400a \
     stk3200 \
     stm32f030f4-demo \