1 files changed, 1 insertions, 1 deletions
diff --git a/src/rt/rust_exchange_alloc.h b/src/rt/rust_exchange_alloc.h
index 1b52929acf1..d904d345666 100644
--- a/src/rt/rust_exchange_alloc.h
+++ b/src/rt/rust_exchange_alloc.h
@@ -16,7 +16,7 @@
 
 class rust_exchange_alloc {
  public:
-    void *malloc(size_t size, bool zero = true);
+    void *malloc(size_t size);
     void *calloc(size_t size);
     void *realloc(void *mem, size_t size);
     void free(void *mem);