diff --git a/app/src/main/cpp/baresip.c b/app/src/main/cpp/baresip.c
index 834a842c..f6719409 100644
--- a/app/src/main/cpp/baresip.c
+++ b/app/src/main/cpp/baresip.c
@@ -1041,13 +1041,6 @@ Java_com_tutpro_baresip_Api_ua_1isregistered(JNIEnv *env, jobject thiz, jlong ua
     return ua_isregistered((struct ua *)ua) ? true : false;
 }
 
-JNIEXPORT jint JNICALL
-Java_com_tutpro_baresip_Api_ua_1update_1account(JNIEnv *env, jobject thiz, jlong ua)
-{
-    LOGD("updating account of ua %ld\n", (long)ua);
-    return ua_update_account((struct ua *)ua);
-}
-
 JNIEXPORT void JNICALL
 Java_com_tutpro_baresip_Api_ua_1destroy(JNIEnv *env, jobject thiz, jlong ua)
 {
diff --git a/app/src/main/kotlin/com/tutpro/baresip/Api.kt b/app/src/main/kotlin/com/tutpro/baresip/Api.kt
index f4b6a9f6..1ecc92cf 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/Api.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/Api.kt
@@ -49,7 +49,6 @@ object Api {
 
     external fun ua_account(uap: Long): Long
     external fun ua_alloc(uri: String): Long
-    external fun ua_update_account(uap: Long): Int
     external fun ua_destroy(uap: Long)
     external fun ua_register(uap: Long): Int
     external fun ua_isregistered(uap: Long): Boolean