diff --git a/src/mem/largealloc.h b/src/mem/largealloc.h
index 8513f69..cfc5e14 100644
--- a/src/mem/largealloc.h
+++ b/src/mem/largealloc.h
@@ -171,7 +171,6 @@ namespace snmalloc
       return p;
     }
 
-#define TEST_LAZY_DECOMMIT 4
     ALWAYSINLINE void lazy_decommit_if_needed()
     {
 #ifdef TEST_LAZY_DECOMMIT