diff --git a/EdkCompatibilityPkg/Compatibility/PciCfg2ToPciCfgThunk/PciCfg2ToPciCfgThunk.c b/EdkCompatibilityPkg/Compatibility/PciCfg2ToPciCfgThunk/PciCfg2ToPciCfgThunk.c
index 3ce6c1df02..5a684d15cb 100644
--- a/EdkCompatibilityPkg/Compatibility/PciCfg2ToPciCfgThunk/PciCfg2ToPciCfgThunk.c
+++ b/EdkCompatibilityPkg/Compatibility/PciCfg2ToPciCfgThunk/PciCfg2ToPciCfgThunk.c
@@ -205,8 +205,8 @@ PciCfg2Modify (
   IN CONST  EFI_PEI_PCI_CFG2_PPI      *This,
   IN        EFI_PEI_PCI_CFG_PPI_WIDTH Width,
   IN        UINT64                    Address,
-  IN CONST  VOID                      *SetBits,
-  IN CONST  VOID                      *ClearBits
+  IN        VOID                      *SetBits,
+  IN        VOID                      *ClearBits
   );
 
 //