diff --git a/sysdeps/vinix/generic/generic.cpp b/sysdeps/vinix/generic/generic.cpp
index 38e3a9c8da..f3a0030d7a 100644
--- a/sysdeps/vinix/generic/generic.cpp
+++ b/sysdeps/vinix/generic/generic.cpp
@@ -437,8 +437,7 @@ int sys_anon_allocate(size_t size, void **pointer) {
 }
 
 int sys_anon_free(void *pointer, size_t size) {
-	(void)pointer; (void)size;
-	return 0;
+	return sys_vm_unmap(pointer, size);
 }
 
 #ifndef MLIBC_BUILDING_RTLD