diff --git a/app/src/main/cpp/baresip.c b/app/src/main/cpp/baresip.c
index e7ddc044..90afd76a 100644
--- a/app/src/main/cpp/baresip.c
+++ b/app/src/main/cpp/baresip.c
@@ -1123,7 +1123,6 @@ JNIEXPORT void JNICALL Java_com_tutpro_baresip_Api_ua_1hangup(
 {
     const uint16_t native_code = code;
     const char *native_reason = (*env)->GetStringUTFChars(env, reason, 0);
-    const int thread_check = re_thread_check(false);
     LOGD("hanging up call %ld/%ld\n", (long)ua, (long)call);
     re_thread_enter();
     if (strlen(native_reason) == 0)