diff --git a/tests/driver_sx126x/Makefile.ci b/tests/driver_sx126x/Makefile.ci
index ecd48b4a74..2689ec452b 100644
--- a/tests/driver_sx126x/Makefile.ci
+++ b/tests/driver_sx126x/Makefile.ci
@@ -4,6 +4,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     arduino-nano \
     arduino-uno \
     atmega328p \
+    atmega328p-xplained-mini \
     nucleo-l011k4 \
     stm32f030f4-demo \
     samd10-xmini \
diff --git a/tests/event_wait_timeout_ztimer/Makefile.ci b/tests/event_wait_timeout_ztimer/Makefile.ci
index ff454e3604..69c36480c6 100644
--- a/tests/event_wait_timeout_ztimer/Makefile.ci
+++ b/tests/event_wait_timeout_ztimer/Makefile.ci
@@ -3,5 +3,6 @@ BOARD_INSUFFICIENT_MEMORY := \
     arduino-nano \
     arduino-uno \
     atmega328p \
+    atmega328p-xplained-mini \
     nucleo-l011k4 \
     #