diff --git a/redfish-core/lib/pcie.hpp b/redfish-core/lib/pcie.hpp
index 79d9c1e..e534434 100644
--- a/redfish-core/lib/pcie.hpp
+++ b/redfish-core/lib/pcie.hpp
@@ -94,38 +94,6 @@
             });
 }
 
-inline std::string analysisGeneration(const std::string& pcieType)
-{
-    if (pcieType ==
-        "xyz.openbmc_project.Inventory.Item.PCIeSlot.Generations.Gen1")
-    {
-        return "Gen1";
-    }
-    if (pcieType ==
-        "xyz.openbmc_project.Inventory.Item.PCIeSlot.Generations.Gen2")
-    {
-        return "Gen2";
-    }
-    if (pcieType ==
-        "xyz.openbmc_project.Inventory.Item.PCIeSlot.Generations.Gen3")
-    {
-        return "Gen3";
-    }
-    if (pcieType ==
-        "xyz.openbmc_project.Inventory.Item.PCIeSlot.Generations.Gen4")
-    {
-        return "Gen4";
-    }
-    if (pcieType ==
-        "xyz.openbmc_project.Inventory.Item.PCIeSlot.Generations.Gen5")
-    {
-        return "Gen5";
-    }
-
-    // Unknown or others
-    return "";
-}
-
 inline void requestRoutesSystemPCIeDevice(App& app)
 {
     BMCWEB_ROUTE(app, "/redfish/v1/Systems/system/PCIeDevices/<str>/")
@@ -182,19 +150,6 @@
                         asyncResp->res.jsonValue["DeviceType"] = *property;
                     }
 
-                    if (std::string* property = std::get_if<std::string>(
-                            &pcieDevProperties["PcieType"]);
-                        property)
-                    {
-                        std::string pcieType = analysisGeneration(*property);
-                        if (!pcieType.empty())
-                        {
-                            asyncResp->res
-                                .jsonValue["PCIeInterface"]["PcieType"] =
-                                pcieType;
-                        }
-                    }
-
                     asyncResp->res.jsonValue["PCIeFunctions"] = {
                         {"@odata.id",
                          "/redfish/v1/Systems/system/PCIeDevices/" + device +