diff --git a/cmaybe.h b/cmaybe.h
index 2c7b806..0a82c15 100644
--- a/cmaybe.h
+++ b/cmaybe.h
@@ -56,7 +56,7 @@ struct __free_list {
 )
 #define TRY_MALLOC(size) TRY_MEMALLOC(malloc, size)
 
-void __remove_free_list(struct __free_list **head, void *ptr) {
+static void __remove_free_list(struct __free_list **head, void *ptr) {
 	struct __free_list **current = head;
 	while (*current != NULL) {
 		if (current[0]->ptr == ptr) {
@@ -78,7 +78,7 @@ void __remove_free_list(struct __free_list **head, void *ptr) {
 		free(current);\
 	}
 
-void __replace_free_list(struct __free_list **head, void *from, void *to) {
+static void __replace_free_list(struct __free_list **head, void *from, void *to) {
 	struct __free_list **current = head;
 	while (*current != NULL) {
 		if (current[0]->ptr == from) {