diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index 2987aac..79a38ef 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -502,3 +502,6 @@
 
 crbug.com/316730 canvas/synchronous-create-pattern.html [ ImageOnlyFailure Pass ]
 
+crbug.com/318632 webaudio/audiobuffersource-multi-channels.html [ NeedsManualRebaseline ]
+crbug.com/318632 webaudio/test-basic.html [ NeedsManualRebaseline ]
+