diff --git a/Telegram/SourceFiles/history.cpp b/Telegram/SourceFiles/history.cpp
index 4e66631135..b1f7516453 100644
--- a/Telegram/SourceFiles/history.cpp
+++ b/Telegram/SourceFiles/history.cpp
@@ -5896,7 +5896,9 @@ void LocationManager::init() {
 	App::setProxySettings(*manager);
 
 	connect(manager, SIGNAL(authenticationRequired(QNetworkReply*, QAuthenticator*)), this, SLOT(onFailed(QNetworkReply*)));
+#ifndef OS_MAC_OLD
 	connect(manager, SIGNAL(sslErrors(QNetworkReply*, const QList<QSslError>&)), this, SLOT(onFailed(QNetworkReply*)));
+#endif // OS_MAC_OLD
 	connect(manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(onFinished(QNetworkReply*)));
 
 	if (black) {
diff --git a/Telegram/SourceFiles/mediaview.cpp b/Telegram/SourceFiles/mediaview.cpp
index 635c9166cd..77eb491d78 100644
--- a/Telegram/SourceFiles/mediaview.cpp
+++ b/Telegram/SourceFiles/mediaview.cpp
@@ -1890,7 +1890,11 @@ void MediaView::keyPressEvent(QKeyEvent *e) {
 }
 
 void MediaView::wheelEvent(QWheelEvent *e) {
+#ifdef OS_MAC_OLD
+	constexpr auto step = 120;
+#else // OS_MAC_OLD
 	constexpr auto step = static_cast<int>(QWheelEvent::DefaultDeltasPerStep);
+#endif // OS_MAC_OLD
 
 	_verticalWheelDelta += e->angleDelta().y();
 	while (qAbs(_verticalWheelDelta) >= step) {
@@ -1899,18 +1903,22 @@ void MediaView::wheelEvent(QWheelEvent *e) {
 			if (e->modifiers().testFlag(Qt::ControlModifier)) {
 				zoomOut();
 			} else {
+#ifndef OS_MAC_OLD
 				if (e->source() == Qt::MouseEventNotSynthesized) {
 					moveToNext(1);
 				}
+#endif // OS_MAC_OLD
 			}
 		} else {
 			_verticalWheelDelta -= step;
 			if (e->modifiers().testFlag(Qt::ControlModifier)) {
 				zoomIn();
 			} else {
+#ifndef OS_MAC_OLD
 				if (e->source() == Qt::MouseEventNotSynthesized) {
 					moveToNext(-1);
 				}
+#endif // OS_MAC_OLD
 			}
 		}
 	}
diff --git a/Telegram/SourceFiles/mtproto/file_download.cpp b/Telegram/SourceFiles/mtproto/file_download.cpp
index 34e0a5f2f1..e4623dbc97 100644
--- a/Telegram/SourceFiles/mtproto/file_download.cpp
+++ b/Telegram/SourceFiles/mtproto/file_download.cpp
@@ -818,7 +818,9 @@ WebLoadManager::WebLoadManager(QThread *thread) {
 	connect(this, SIGNAL(error(webFileLoader*)), _webLoadMainManager, SLOT(error(webFileLoader*)));
 
 	connect(&_manager, SIGNAL(authenticationRequired(QNetworkReply*,QAuthenticator*)), this, SLOT(onFailed(QNetworkReply*)));
+#ifndef OS_MAC_OLD
 	connect(&_manager, SIGNAL(sslErrors(QNetworkReply*,const QList<QSslError>&)), this, SLOT(onFailed(QNetworkReply*)));
+#endif // OS_MAC_OLD
 }
 
 void WebLoadManager::append(webFileLoader *loader, const QString &url) {
@@ -1108,4 +1110,4 @@ void notifyImageLoaded() {
 }
 
 } // namespace internal
-}
\ No newline at end of file
+}