-XBT_INTERNAL void MCer_ignore_global_variable(const char *var_name);
-XBT_INTERNAL void MC_heap_region_ignore_insert(mc_heap_ignore_region_t region);
-XBT_INTERNAL void MC_heap_region_ignore_remove(void *address, size_t size);
+XBT_PRIVATE void MCer_ignore_global_variable(const char *var_name);
+XBT_PRIVATE void MC_heap_region_ignore_insert(mc_heap_ignore_region_t region);
+XBT_PRIVATE void MC_heap_region_ignore_remove(void *address, size_t size);