diff --git core/frame/FrameView.cpp core/frame/FrameView.cpp
index 3a1981b..95cb146 100644
--- core/frame/FrameView.cpp
+++ core/frame/FrameView.cpp
@@ -129,8 +129,10 @@ FrameView::FrameView(LocalFrame* frame)
     if (!m_frame->isMainFrame())
         return;
 
+#if 0
     ScrollableArea::setVerticalScrollElasticity(ScrollElasticityAllowed);
     ScrollableArea::setHorizontalScrollElasticity(ScrollElasticityAllowed);
+#endif
 }
 
 PassRefPtr<FrameView> FrameView::create(LocalFrame* frame)
diff --git platform/scroll/ScrollbarThemeMacCommon.mm platform/scroll/ScrollbarThemeMacCommon.mm
index 90abb7c..6bb16c6 100644
--- platform/scroll/ScrollbarThemeMacCommon.mm
+++ platform/scroll/ScrollbarThemeMacCommon.mm
@@ -354,10 +354,14 @@ NSScrollerStyle ScrollbarThemeMacCommon::recommendedScrollerStyle()
 // static
 bool ScrollbarThemeMacCommon::isOverlayAPIAvailable()
 {
+#if 0
     static bool apiAvailable =
         [NSClassFromString(@"NSScrollerImp") respondsToSelector:@selector(scrollerImpWithStyle:controlSize:horizontal:replacingScrollerImp:)]
         && [NSClassFromString(@"NSScrollerImpPair") instancesRespondToSelector:@selector(scrollerStyle)];
     return apiAvailable;
+#else
+    return false;
+#endif
 }
 
 } // namespace blink