diff --git a/FatPkg/FatPkg.dsc b/FatPkg/FatPkg.dsc
index f8309717a6..12c1c63e06 100644
--- a/FatPkg/FatPkg.dsc
+++ b/FatPkg/FatPkg.dsc
@@ -43,7 +43,7 @@
   BaseMemoryLib|MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf
   UefiLib|MdePkg/Library/UefiLib/UefiLib.inf
   PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf
-  PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
+  PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
   MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
   UefiBootServicesTableLib|MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.inf
   UefiRuntimeServicesTableLib|MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf
@@ -57,7 +57,6 @@
   PeiServicesTablePointerLib|MdePkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf
   HobLib|MdePkg/Library/PeiHobLib/PeiHobLib.inf
   MemoryAllocationLib|MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf
-  PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
 
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