diff --git a/Source/ThirdParty/libwebrtc/ChangeLog b/Source/ThirdParty/libwebrtc/ChangeLog
index 4e209f0..4348f71 100644
--- a/Source/ThirdParty/libwebrtc/ChangeLog
+++ b/Source/ThirdParty/libwebrtc/ChangeLog
@@ -1,3 +1,13 @@
+2020-04-02  Youenn Fablet  <youenn@apple.com>
+
+        Temporarily restrict kVTVideoEncoderSpecification_RequiredLowLatency use to iOS
+        https://bugs.webkit.org/show_bug.cgi?id=209902
+
+        Reviewed by Eric Carlson.
+
+        * Source/webrtc/sdk/WebKit/VideoProcessingSoftLink.h:
+        Our setup with this key does not work yet on MacOS, disable it for now on MacOS.
+
 2020-04-02  Zan Dobersek  <zdobersek@igalia.com>
 
         Unreviewed, fix libwebrtc build with GCC 9 after the M82 bump.
diff --git a/Source/ThirdParty/libwebrtc/Source/webrtc/sdk/WebKit/VideoProcessingSoftLink.h b/Source/ThirdParty/libwebrtc/Source/webrtc/sdk/WebKit/VideoProcessingSoftLink.h
index 0e24689..1dbec37 100644
--- a/Source/ThirdParty/libwebrtc/Source/webrtc/sdk/WebKit/VideoProcessingSoftLink.h
+++ b/Source/ThirdParty/libwebrtc/Source/webrtc/sdk/WebKit/VideoProcessingSoftLink.h
@@ -43,7 +43,6 @@
 #elif (defined(TARGET_OS_MAC) && TARGET_OS_MAC)
 #define ENABLE_VCP_ENCODER __MAC_OS_X_VERSION_MIN_REQUIRED < 101600
 #define ENABLE_VCP_VTB_ENCODER __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500 && __MAC_OS_X_VERSION_MIN_REQUIRED < 101600
-#define HAVE_VTB_REQUIREDLOWLATENCY __MAC_OS_X_VERSION_MIN_REQUIRED >= 101600
 #endif
 
 #endif