diff --git a/lib/nfc/nfc_mock.c b/lib/nfc/nfc_mock.c
index 9826ea36f..ee4bb09cc 100644
--- a/lib/nfc/nfc_mock.c
+++ b/lib/nfc/nfc_mock.c
@@ -497,24 +497,6 @@ NfcError nfc_iso15693_listener_tx_sof(Nfc* instance) {
     return NfcErrorNone;
 }
 
-NfcError nfc_iso15693_detect_mode(Nfc* instance) {
-    UNUSED(instance);
-
-    return NfcErrorNone;
-}
-
-NfcError nfc_iso15693_force_1outof4(Nfc* instance) {
-    UNUSED(instance);
-
-    return NfcErrorNone;
-}
-
-NfcError nfc_iso15693_force_1outof256(Nfc* instance) {
-    UNUSED(instance);
-
-    return NfcErrorNone;
-}
-
 NfcError nfc_felica_listener_set_sensf_res_data(
     Nfc* instance,
     const uint8_t* idm,