diff --git a/src/accountadapter.cpp b/src/accountadapter.cpp
index af072ac..fff2dc6 100644
--- a/src/accountadapter.cpp
+++ b/src/accountadapter.cpp
@@ -238,16 +238,16 @@
 }
 
 void
-AccountAdapter::startPreviewing(bool force)
+AccountAdapter::startPreviewing(bool force, bool async)
 {
-    LRCInstance::renderer()->startPreviewing(force);
+    LRCInstance::renderer()->startPreviewing(force, async);
 }
 
 void
-AccountAdapter::stopPreviewing()
+AccountAdapter::stopPreviewing(bool async)
 {
     if (!LRCInstance::hasVideoCall() && LRCInstance::renderer()->isPreviewing()) {
-        LRCInstance::renderer()->stopPreviewing();
+        LRCInstance::renderer()->stopPreviewing(async);
     }
 }
 
@@ -263,12 +263,6 @@
     return LRCInstance::renderer()->isPreviewing();
 }
 
-RenderManager *
-AccountAdapter::getRenderManager()
-{
-    return LRCInstance::renderer();
-}
-
 void
 AccountAdapter::setCurrAccDisplayName(QString text)
 {
@@ -319,24 +313,6 @@
     });
 }
 
-lrc::api::NewAccountModel *
-AccountAdapter::accoundModel()
-{
-    return &(LRCInstance::accountModel());
-}
-
-lrc::api::AVModel *
-AccountAdapter::avModel()
-{
-    return &(LRCInstance::avModel());
-}
-
-lrc::api::DataTransferModel *
-AccountAdapter::dataTransferModel()
-{
-    return &(LRCInstance::dataTransferModel());
-}
-
 void
 AccountAdapter::settingsNeverShowAgain(bool checked)
 {