diff --git a/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc b/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc
index 39a6fd3692..821015173f 100644
--- a/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc
+++ b/EdkCompatibilityPkg/EdkCompatibilityPkg.dsc
@@ -58,7 +58,6 @@ define GCC_MACRO                 = -DEFI_SPECIFICATION_VERSION=0x00020000 -DPI_S
   PalLib|MdePkg/Library/BasePalLibNull/BasePalLibNull.inf
   UefiLib|MdePkg/Library/UefiLib/UefiLib.inf
   UefiRuntimeLib|MdePkg/Library/UefiRuntimeLib/UefiRuntimeLib.inf
-  UefiRuntimeLib|MdePkg/Library/UefiRuntimeLib/UefiRuntimeLib.inf
   PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf
   PeimEntryPoint|MdePkg/Library/PeimEntryPoint/PeimEntryPoint.inf
   PeiServicesLib|MdePkg/Library/PeiServicesLib/PeiServicesLib.inf