diff --git a/wpa_supplicant/aidl/aidl_manager.cpp b/wpa_supplicant/aidl/aidl_manager.cpp
index da90c38..c115b78 100644
--- a/wpa_supplicant/aidl/aidl_manager.cpp
+++ b/wpa_supplicant/aidl/aidl_manager.cpp
@@ -757,6 +757,7 @@
 	return 1;
 }
 
+#ifdef CONFIG_INTERWORKING
 /**
  * Notify all listeners about the end of an ANQP query.
  *
@@ -803,6 +804,7 @@
 			}
 		}
 
+#ifdef CONFIG_HS20
 		aidl_hs20_anqp_data.operatorFriendlyName =
 			misc_utils::convertWpaBufToVector(
 			anqp->hs20_operator_friendly_name);
@@ -814,6 +816,16 @@
 		aidl_hs20_anqp_data.osuProvidersList =
 			misc_utils::convertWpaBufToVector(
 			anqp->hs20_osu_providers_list);
+#else
+		aidl_hs20_anqp_data.operatorFriendlyName =
+			misc_utils::convertWpaBufToVector(NULL);
+		aidl_hs20_anqp_data.wanMetrics =
+			misc_utils::convertWpaBufToVector(NULL);
+		aidl_hs20_anqp_data.connectionCapability =
+			misc_utils::convertWpaBufToVector(NULL);
+		aidl_hs20_anqp_data.osuProvidersList =
+			misc_utils::convertWpaBufToVector(NULL);
+#endif /* CONFIG_HS20 */
 	}
 
 	callWithEachStaIfaceCallback(
@@ -822,6 +834,7 @@
 				   std::placeholders::_1, macAddrToVec(bssid), aidl_anqp_data,
 				   aidl_hs20_anqp_data));
 }
+#endif /* CONFIG_INTERWORKING */
 
 /**
  * Notify all listeners about the end of an HS20 icon query.
diff --git a/wpa_supplicant/aidl/sta_iface.cpp b/wpa_supplicant/aidl/sta_iface.cpp
index 776d689..f369142 100644
--- a/wpa_supplicant/aidl/sta_iface.cpp
+++ b/wpa_supplicant/aidl/sta_iface.cpp
@@ -1054,6 +1054,7 @@
 	if (info_elements.size() > kMaxAnqpElems) {
 		return createStatus(SupplicantStatusCode::FAILURE_ARGS_INVALID);
 	}
+#ifdef CONFIG_INTERWORKING
 	uint16_t info_elems_buf[kMaxAnqpElems];
 	uint32_t num_info_elems = 0;
 	for (const auto &info_element : info_elements) {
@@ -1077,11 +1078,15 @@
 		return createStatus(SupplicantStatusCode::FAILURE_UNKNOWN);
 	}
 	return ndk::ScopedAStatus::ok();
+#else
+	return createStatus(SupplicantStatusCode::FAILURE_UNSUPPORTED);
+#endif /* CONFIG_INTERWORKING */
 }
 
 ndk::ScopedAStatus StaIface::initiateVenueUrlAnqpQueryInternal(
 	const std::vector<uint8_t> &mac_address)
 {
+#ifdef CONFIG_INTERWORKING
 	struct wpa_supplicant *wpa_s = retrieveIfacePtr();
 	uint16_t info_elems_buf[1] = {ANQP_VENUE_URL};
 	if (mac_address.size() != ETH_ALEN) {
@@ -1093,11 +1098,15 @@
 		return createStatus(SupplicantStatusCode::FAILURE_UNKNOWN);
 	}
 	return ndk::ScopedAStatus::ok();
+#else
+	return createStatus(SupplicantStatusCode::FAILURE_UNSUPPORTED);
+#endif /* CONFIG_INTERWORKING */
 }
 
 ndk::ScopedAStatus StaIface::initiateHs20IconQueryInternal(
 	const std::vector<uint8_t> &mac_address, const std::string &file_name)
 {
+#ifdef CONFIG_HS20
 	struct wpa_supplicant *wpa_s = retrieveIfacePtr();
 	if (mac_address.size() != ETH_ALEN) {
 		return createStatus(SupplicantStatusCode::FAILURE_UNKNOWN);
@@ -1110,6 +1119,9 @@
 		return createStatus(SupplicantStatusCode::FAILURE_UNKNOWN);
 	}
 	return ndk::ScopedAStatus::ok();
+#else
+	return createStatus(SupplicantStatusCode::FAILURE_UNSUPPORTED);
+#endif /* CONFIG_HS20 */
 }
 
 std::pair<std::vector<uint8_t>, ndk::ScopedAStatus>
diff --git a/wpa_supplicant/aidl/sta_network.cpp b/wpa_supplicant/aidl/sta_network.cpp
index 61c71a1..5b4a3e3 100644
--- a/wpa_supplicant/aidl/sta_network.cpp
+++ b/wpa_supplicant/aidl/sta_network.cpp
@@ -1393,12 +1393,16 @@
 
 ndk::ScopedAStatus StaNetwork::setUpdateIdentifierInternal(uint32_t id)
 {
+#ifdef CONFIG_HS20
 	struct wpa_ssid *wpa_ssid = retrieveNetworkPtr();
 	wpa_ssid->update_identifier = id;
 	wpa_printf(
 		MSG_MSGDUMP, "update_identifier: %d", wpa_ssid->update_identifier);
 	resetInternalStateAfterParamsUpdate();
 	return ndk::ScopedAStatus::ok();
+#else
+	return createStatusWithMsg(SupplicantStatusCode::FAILURE_UNKNOWN, "Not implemented");
+#endif /* CONFIG_HS20 */
 }
 
 ndk::ScopedAStatus StaNetwork::setWapiCertSuiteInternal(const std::string &suite)
@@ -2252,6 +2256,7 @@
 ndk::ScopedAStatus StaNetwork::setRoamingConsortiumSelectionInternal(
 	const std::vector<uint8_t> &selectedRcoi)
 {
+#ifdef CONFIG_HS20
 	struct wpa_ssid *wpa_ssid = retrieveNetworkPtr();
 	if (wpa_ssid == NULL) {
 		return createStatus(SupplicantStatusCode::FAILURE_NETWORK_INVALID);
@@ -2267,6 +2272,9 @@
 
 	resetInternalStateAfterParamsUpdate();
 	return ndk::ScopedAStatus::ok();
+#else
+	return createStatusWithMsg(SupplicantStatusCode::FAILURE_UNKNOWN, "Not implemented");
+#endif /* CONFIG_HS20 */
 }
 
 /**
diff --git a/wpa_supplicant/interworking.c b/wpa_supplicant/interworking.c
index 9a459c2..1b7c7dc 100644
--- a/wpa_supplicant/interworking.c
+++ b/wpa_supplicant/interworking.c
@@ -1627,6 +1627,7 @@
 	if (interworking_set_hs20_params(wpa_s, ssid) < 0)
 		goto fail;
 
+#ifdef CONFIG_HS20
 	ie = wpa_bss_get_ie(bss, WLAN_EID_ROAMING_CONSORTIUM);
 	anqp = bss->anqp ? bss->anqp->roaming_consortium : NULL;
 	for (i = 0; (ie || anqp) && i < cred->num_roaming_consortiums; i++) {
@@ -1646,6 +1647,7 @@
 			cred->roaming_consortiums_len[i];
 		break;
 	}
+#endif /* CONFIG_HS20 */
 
 	if (cred->eap_method == NULL) {
 		wpa_msg(wpa_s, MSG_DEBUG,