diff --git a/include/haproxy/vars.h b/include/haproxy/vars.h
index 1d0a47abb..aeb218a72 100644
--- a/include/haproxy/vars.h
+++ b/include/haproxy/vars.h
@@ -28,6 +28,8 @@
 #include <haproxy/vars-t.h>
 
 void vars_init(struct vars *vars, enum vars_scope scope);
+void var_accounting_diff(struct vars *vars, struct session *sess, struct stream *strm, int size);
+unsigned int var_clear(struct var *var);
 void vars_prune(struct vars *vars, struct session *sess, struct stream *strm);
 void vars_prune_per_sess(struct vars *vars);
 int vars_get_by_name(const char *name, size_t len, struct sample *smp);
diff --git a/src/vars.c b/src/vars.c
index b847b5d37..e3289996b 100644
--- a/src/vars.c
+++ b/src/vars.c
@@ -65,7 +65,7 @@ static inline struct vars *get_vars(struct session *sess, struct stream *strm, e
 /* This function adds or remove memory size from the accounting. The inner
  * pointers may be null when setting the outer ones only.
  */
-static void var_accounting_diff(struct vars *vars, struct session *sess, struct stream *strm, int size)
+void var_accounting_diff(struct vars *vars, struct session *sess, struct stream *strm, int size)
 {
 	switch (vars->scope) {
 	case SCOPE_REQ: