1 files changed, 1 insertions, 5 deletions
diff --git a/test/rt/testbmk.c b/test/rt/testbmk.c
index 461dbc76b..4464b65f3 100644
--- a/test/rt/testbmk.c
+++ b/test/rt/testbmk.c
@@ -644,11 +644,7 @@ ROMCONST struct testcase testbmk12 = {
 static void bmk13_execute(void) {
 
   test_print("--- System: ");
-  test_printn(sizeof(ready_list_t) + sizeof(virtual_timers_list_t) +
-              PORT_IDLE_THREAD_STACK_SIZE +
-              (sizeof(thread_t) + sizeof(struct port_intctx) +
-               sizeof(struct port_extctx) +
-               PORT_INT_REQUIRED_STACK) * 2);
+  test_printn(sizeof(ch_system_t));
   test_println(" bytes");
   test_print("--- Thread: ");
   test_printn(sizeof(thread_t));