diff --git a/tests/arch/arm/arm_interrupt/boards/twr_ke18f.conf b/tests/arch/arm/arm_interrupt/boards/twr_ke18f.conf
new file mode 100644
index 0000000000000..428e294b5f704
--- /dev/null
+++ b/tests/arch/arm/arm_interrupt/boards/twr_ke18f.conf
@@ -0,0 +1 @@
+CONFIG_ARM_MPU=n
\ No newline at end of file
diff --git a/tests/arch/arm/arm_ramfunc/boards/twr_ke18f.conf b/tests/arch/arm/arm_ramfunc/boards/twr_ke18f.conf
new file mode 100644
index 0000000000000..428e294b5f704
--- /dev/null
+++ b/tests/arch/arm/arm_ramfunc/boards/twr_ke18f.conf
@@ -0,0 +1 @@
+CONFIG_ARM_MPU=n
\ No newline at end of file
diff --git a/tests/arch/arm/arm_thread_swap/boards/twr_ke18f.conf b/tests/arch/arm/arm_thread_swap/boards/twr_ke18f.conf
new file mode 100644
index 0000000000000..428e294b5f704
--- /dev/null
+++ b/tests/arch/arm/arm_thread_swap/boards/twr_ke18f.conf
@@ -0,0 +1 @@
+CONFIG_ARM_MPU=n
\ No newline at end of file
diff --git a/tests/benchmarks/sys_kernel/boards/twr_ke18f.conf b/tests/benchmarks/sys_kernel/boards/twr_ke18f.conf
new file mode 100644
index 0000000000000..428e294b5f704
--- /dev/null
+++ b/tests/benchmarks/sys_kernel/boards/twr_ke18f.conf
@@ -0,0 +1 @@
+CONFIG_ARM_MPU=n
\ No newline at end of file
diff --git a/tests/benchmarks/sys_kernel/testcase.yaml b/tests/benchmarks/sys_kernel/testcase.yaml
index ab1af06676fbf..750b7558ed2d2 100644
--- a/tests/benchmarks/sys_kernel/testcase.yaml
+++ b/tests/benchmarks/sys_kernel/testcase.yaml
@@ -1,5 +1,5 @@
 tests:
   benchmark.kernel.core:
     arch_exclude: nios2 riscv32 xtensa
-    min_ram: 32
+    min_ram: 36
     tags: benchmark
diff --git a/tests/drivers/adc/adc_api/boards/twr_ke18f.conf b/tests/drivers/adc/adc_api/boards/twr_ke18f.conf
new file mode 100644
index 0000000000000..428e294b5f704
--- /dev/null
+++ b/tests/drivers/adc/adc_api/boards/twr_ke18f.conf
@@ -0,0 +1 @@
+CONFIG_ARM_MPU=n
\ No newline at end of file