diff --git a/app/src/main/cpp/baresip.c b/app/src/main/cpp/baresip.c
index ad27389e..ad76112c 100644
--- a/app/src/main/cpp/baresip.c
+++ b/app/src/main/cpp/baresip.c
@@ -1575,28 +1575,6 @@ Java_com_tutpro_baresip_Api_video_1codecs(JNIEnv *env, jobject thiz)
     return (*env)->NewStringUTF(env, codec_buf);
 }
 
-JNIEXPORT void JNICALL
-Java_com_tutpro_baresip_Api_contact_1add(JNIEnv *env, jobject thiz, jstring javaContact) {
-    struct pl pl_addr;
-    const char *native_contact = (*env)->GetStringUTFChars(env, javaContact, 0);
-    pl_set_str(&pl_addr, native_contact);
-    if (contact_add(baresip_contacts(), NULL, &pl_addr) != 0) {
-        LOGE("failed to add contact %s\n", native_contact);
-    } else {
-        LOGD("added contact %s\n", native_contact);
-    }
-    (*env)->ReleaseStringUTFChars(env, javaContact, native_contact);
-}
-
-JNIEXPORT void JNICALL
-Java_com_tutpro_baresip_Api_contacts_1remove(JNIEnv *env, jobject thiz) {
-    struct le *le;
-    while ((le = list_head(contact_list(baresip_contacts())))) {
-        struct contact *c = le->data;
-        contact_remove(baresip_contacts(), c);
-    }
-}
-
 JNIEXPORT void JNICALL
 Java_com_tutpro_baresip_Api_log_1level_1set(JNIEnv *env, jobject thiz, jint level) {
     const enum log_level native_level = (enum log_level)level;
diff --git a/app/src/main/kotlin/com/tutpro/baresip/Api.kt b/app/src/main/kotlin/com/tutpro/baresip/Api.kt
index c02cfd3a..a90f3ace 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/Api.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/Api.kt
@@ -68,9 +68,6 @@ object Api {
 
     external fun message_send(uap: String, peer_uri: String, message: String, time: String): Int
 
-    external fun contact_add(contact: String)
-    external fun contacts_remove()
-
     external fun audio_codecs(): String
     external fun video_codecs(): String
 
diff --git a/app/src/main/kotlin/com/tutpro/baresip/Contact.kt b/app/src/main/kotlin/com/tutpro/baresip/Contact.kt
index e7867863..87fb540d 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/Contact.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/Contact.kt
@@ -31,7 +31,6 @@ class Contact(var name: String, var uri: String, var color: Int, val id: Long) {
             val content = Utils.getFileContents(BaresipService.filesPath + "/contacts")
                     ?: return false
             val contacts = String(content)
-            Api.contacts_remove()
             BaresipService.contacts.clear()
             var contactNo = 0
             val baseId = System.currentTimeMillis()