diff --git a/src/ap/wpa_auth.c b/src/ap/wpa_auth.c
index 4c7fe05b0..fe0f85d8e 100644
--- a/src/ap/wpa_auth.c
+++ b/src/ap/wpa_auth.c
@@ -2195,7 +2195,7 @@ static int wpa_derive_ptk(struct wpa_state_machine *sm, const u8 *snonce,
 
 #ifdef CONFIG_IEEE80211R_AP
 	if (wpa_key_mgmt_ft(sm->wpa_key_mgmt))
-		return wpa_auth_derive_ptk_ft(sm, pmk, ptk);
+		return wpa_auth_derive_ptk_ft(sm, ptk);
 #endif /* CONFIG_IEEE80211R_AP */
 
 #ifdef CONFIG_DPP2
diff --git a/src/ap/wpa_auth_ft.c b/src/ap/wpa_auth_ft.c
index fdb7ebaa5..5fb41c450 100644
--- a/src/ap/wpa_auth_ft.c
+++ b/src/ap/wpa_auth_ft.c
@@ -2074,8 +2074,7 @@ int wpa_ft_store_pmk_fils(struct wpa_state_machine *sm,
 }
 
 
-int wpa_auth_derive_ptk_ft(struct wpa_state_machine *sm, const u8 *pmk,
-			   struct wpa_ptk *ptk)
+int wpa_auth_derive_ptk_ft(struct wpa_state_machine *sm, struct wpa_ptk *ptk)
 {
 	u8 pmk_r0[PMK_LEN_MAX], pmk_r0_name[WPA_PMK_NAME_LEN];
 	size_t pmk_r0_len = wpa_key_mgmt_sha384(sm->wpa_key_mgmt) ?
diff --git a/src/ap/wpa_auth_i.h b/src/ap/wpa_auth_i.h
index 3dcf77aa9..15512368e 100644
--- a/src/ap/wpa_auth_i.h
+++ b/src/ap/wpa_auth_i.h
@@ -290,8 +290,7 @@ int wpa_write_ftie(struct wpa_auth_config *conf, int use_sha384,
 		   const u8 *anonce, const u8 *snonce,
 		   u8 *buf, size_t len, const u8 *subelem,
 		   size_t subelem_len);
-int wpa_auth_derive_ptk_ft(struct wpa_state_machine *sm, const u8 *pmk,
-			   struct wpa_ptk *ptk);
+int wpa_auth_derive_ptk_ft(struct wpa_state_machine *sm, struct wpa_ptk *ptk);
 struct wpa_ft_pmk_cache * wpa_ft_pmk_cache_init(void);
 void wpa_ft_pmk_cache_deinit(struct wpa_ft_pmk_cache *cache);
 void wpa_ft_install_ptk(struct wpa_state_machine *sm);