diff --git a/src/rsn_supp/pmksa_cache.h b/src/rsn_supp/pmksa_cache.h
index 8237e63a9..adc251a08 100644
--- a/src/rsn_supp/pmksa_cache.h
+++ b/src/rsn_supp/pmksa_cache.h
@@ -107,6 +107,19 @@ static inline int pmksa_cache_list(struct rsn_pmksa_cache *pmksa, char *buf,
 	return -1;
 }
 
+static inline struct rsn_pmksa_cache_entry *
+pmksa_cache_head(struct rsn_pmksa_cache *pmksa)
+{
+	return NULL;
+}
+
+static inline struct rsn_pmksa_cache_entry *
+pmksa_cache_add_entry(struct rsn_pmksa_cache *pmksa,
+		      struct rsn_pmksa_cache_entry *entry)
+{
+	return NULL;
+}
+
 static inline struct rsn_pmksa_cache_entry *
 pmksa_cache_add(struct rsn_pmksa_cache *pmksa, const u8 *pmk, size_t pmk_len,
 		const u8 *pmkid, const u8 *kck, size_t kck_len,