diff --git a/LayoutTests/ChangeLog b/LayoutTests/ChangeLog
index 662a87b..057d98e 100644
--- a/LayoutTests/ChangeLog
+++ b/LayoutTests/ChangeLog
@@ -1,5 +1,16 @@
 2020-04-02  Jason Lawrence  <lawrence.j@apple.com>
 
+        [ Mac wk2 Debug ] webrtc/datachannel/multiple-connections.html is flaky timing out.
+        https://bugs.webkit.org/show_bug.cgi?id=209878
+
+        Unreviewed test gardening.
+
+        * platform/mac-wk1/TestExpectations:
+        * platform/mac-wk2/TestExpectations:
+        * platform/mac/TestExpectations:
+
+2020-04-02  Jason Lawrence  <lawrence.j@apple.com>
+
         [ Mac and iOS ] svg/custom/animate-initial-pause-unpause.html is flaky timing out.
         https://bugs.webkit.org/show_bug.cgi?id=209908
 
diff --git a/LayoutTests/platform/mac-wk1/TestExpectations b/LayoutTests/platform/mac-wk1/TestExpectations
index 635205d..db3fbe2 100644
--- a/LayoutTests/platform/mac-wk1/TestExpectations
+++ b/LayoutTests/platform/mac-wk1/TestExpectations
@@ -329,6 +329,7 @@
 webrtc/datachannel [ Pass ]
 webrtc/datachannel/mdns-ice-candidates.html [ Skip ]
 imported/w3c/web-platform-tests/webrtc/RTCPeerConnection-setLocalDescription-offer.html [ Failure ]
+webkit.org/b/209878  [ Debug ] webrtc/datachannel/multiple-connections.html [ Slow ]
 
 # These tests test the Shadow DOM based HTML form validation UI but Mac WK1 is using native dialogs instead.
 fast/forms/validation-message-on-listbox.html
diff --git a/LayoutTests/platform/mac-wk2/TestExpectations b/LayoutTests/platform/mac-wk2/TestExpectations
index d25ba81..1bb8541 100644
--- a/LayoutTests/platform/mac-wk2/TestExpectations
+++ b/LayoutTests/platform/mac-wk2/TestExpectations
@@ -1039,4 +1039,6 @@
 
 webkit.org/b/209672 http/wpt/service-workers/service-worker-spinning-fetch.https.html [ Pass Failure Crash ]
 
-webkit.org/b/209769 [ Catalina ] tiled-drawing/scrolling/frames/frameset-nested-frame-scrollability.html [ Pass Failure ]
\ No newline at end of file
+webkit.org/b/209769 [ Catalina ] tiled-drawing/scrolling/frames/frameset-nested-frame-scrollability.html [ Pass Failure ]
+
+webkit.org/b/209878  [ Debug ] webrtc/datachannel/multiple-connections.html [ Slow ]
\ No newline at end of file
diff --git a/LayoutTests/platform/mac/TestExpectations b/LayoutTests/platform/mac/TestExpectations
index 051704b..a8a3e87 100644
--- a/LayoutTests/platform/mac/TestExpectations
+++ b/LayoutTests/platform/mac/TestExpectations
@@ -1974,6 +1974,4 @@
 
 webkit.org/b/209740 webgl/2.0.0/conformance2/rendering/framebuffer-completeness-unaffected.html [ Failure ]
 
-webkit.org/b/209878  [ Debug ] webrtc/datachannel/multiple-connections.html [ Slow ]
-
 webkit.org/b/209908 svg/custom/animate-initial-pause-unpause.html [ Pass Timeout ]
\ No newline at end of file