diff --git a/Pixel3XL/CommonDsc.dsc.inc b/Pixel3XL/CommonDsc.dsc.inc
index 1282a97..ed0979f 100644
--- a/Pixel3XL/CommonDsc.dsc.inc
+++ b/Pixel3XL/CommonDsc.dsc.inc
@@ -70,7 +70,6 @@
   PL011UartClockLib|ArmPlatformPkg/Library/PL011UartClockLib/PL011UartClockLib.inf
   PL011UartLib|ArmPlatformPkg/Library/PL011UartLib/PL011UartLib.inf
 
-  SerialPortLib|Silicon/Hisilicon/Library/Dw8250SerialPortLib/Dw8250SerialPortLib.inf
   TimerLib|ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.inf
 
   UefiDevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
@@ -114,7 +113,6 @@
   FmpAuthenticationLib|SecurityPkg/Library/FmpAuthenticationLibPkcs7/FmpAuthenticationLibPkcs7.inf
   EdkiiSystemCapsuleLib|SignedCapsulePkg/Library/EdkiiSystemCapsuleLib/EdkiiSystemCapsuleLib.inf
   IniParsingLib|SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.inf
-  PlatformFlashAccessLib|Silicon/Hisilicon/Library/PlatformFlashAccessLib/PlatformFlashAccessLibDxe.inf
 
   #
   # It is not possible to prevent the ARM compiler for generic intrinsic functions.
diff --git a/Pixel3XL/Pixel3XL.dsc b/Pixel3XL/Pixel3XL.dsc
index 4fb73ee..534d11d 100644
--- a/Pixel3XL/Pixel3XL.dsc
+++ b/Pixel3XL/Pixel3XL.dsc
@@ -43,7 +43,7 @@
   DxeServicesLib|MdePkg/Library/DxeServicesLib/DxeServicesLib.inf
   BootLogoLib|MdeModulePkg/Library/BootLogoLib/BootLogoLib.inf
 
-  SerialPortLib|ArmPlatformPkg/Library/PL011SerialPortLib/PL011SerialPortLib.inf
+  SerialPortLib|MdePkg/Library/BaseSerialPortLibNull/BaseSerialPortLibNull.inf
   RealTimeClockLib|ArmPlatformPkg/Library/PL031RealTimeClockLib/PL031RealTimeClockLib.inf
   TimeBaseLib|EmbeddedPkg/Library/TimeBaseLib/TimeBaseLib.inf