diff --git a/mps/code/traceanc.c b/mps/code/traceanc.c
index 21c6d146c8e..a05ea9d7140 100644
--- a/mps/code/traceanc.c
+++ b/mps/code/traceanc.c
@@ -456,11 +456,6 @@ Bool TraceIdMessagesCheck(Arena arena, TraceId ti)
  * See <design/message-gc/#lifecycle>.
  */
 
-/* Remote control ControlAlloc to simulate low memory, for testing. */
-/* See TIMCA_remote() in z001989a.c */
-#define ControlAlloc !TIMCA_remote() ? ResFAIL : ControlAlloc
-extern Bool TIMCA_remote(void);
-
 Res TraceIdMessagesCreate(Arena arena, TraceId ti)
 {
   void *p;
diff --git a/mps/code/z001989a.c b/mps/code/z001989a.c
index f20625b5043..883822ee887 100644
--- a/mps/code/z001989a.c
+++ b/mps/code/z001989a.c
@@ -513,7 +513,7 @@ int main(int argc, char **argv)
    *
    * See <design/message-gc#lifecycle>.
    */
-  if(1) {
+  if(0) {
     /* ArenaCreate unable to pre-allocate: THESE SHOULD FAIL */
     /* manually edit if(0) -> if(1) to test these */
     if(0) {