1 files changed, 3 insertions, 3 deletions
diff --git a/src/internal/malloc_impl.h b/src/internal/malloc_impl.h
index e97337b3..b6eacd87 100644
--- a/src/internal/malloc_impl.h
+++ b/src/internal/malloc_impl.h
@@ -4,11 +4,11 @@
 #include "libc.h"
 #include <sys/mman.h>
 
-void *__expand_heap(size_t *);
+hidden void *__expand_heap(size_t *);
 
-void __malloc_donate(char *, char *);
+hidden void __malloc_donate(char *, char *);
 
-void *__memalign(size_t, size_t);
+hidden void *__memalign(size_t, size_t);
 
 struct chunk {
 	size_t psize, csize;