diff --git a/redfish-core/include/redfish.hpp b/redfish-core/include/redfish.hpp
index 55c00f6..b7dd3b3 100644
--- a/redfish-core/include/redfish.hpp
+++ b/redfish-core/include/redfish.hpp
@@ -31,7 +31,6 @@
 #include "../lib/metric_report_definition.hpp"
 #include "../lib/network_protocol.hpp"
 #include "../lib/pcie.hpp"
-#include "../lib/pcie_slots.hpp"
 #include "../lib/power.hpp"
 #include "../lib/processor.hpp"
 #include "../lib/redfish_sessions.hpp"
@@ -81,7 +80,6 @@
         requestRoutesManagerResetAction(app);
         requestRoutesManagerResetActionInfo(app);
         requestRoutesManagerResetToDefaultsAction(app);
-        requestRoutesPCIeSlots(app);
         requestRoutesChassisCollection(app);
         requestRoutesChassis(app);
         requestRoutesChassisResetAction(app);
diff --git a/redfish-core/lib/chassis.hpp b/redfish-core/lib/chassis.hpp
index 11c04b4..724d5f3 100644
--- a/redfish-core/lib/chassis.hpp
+++ b/redfish-core/lib/chassis.hpp
@@ -397,10 +397,6 @@
                         "/redfish/v1/Chassis/" + chassisId + "/Sensors";
                     asyncResp->res.jsonValue["Status"]["State"] = "Enabled";
 
-                    asyncResp->res.jsonValue["PCIeSlots"]["@odata.id"] =
-                        crow::utility::urlFromPieces("redfish", "v1", "Chassis",
-                                                     chassisId, "PCIeSlots");
-
                     nlohmann::json::array_t computerSystems;
                     nlohmann::json::object_t system;
                     system["@odata.id"] = "/redfish/v1/Systems/system";
diff --git a/redfish-core/lib/pcie.hpp b/redfish-core/lib/pcie.hpp
index 8437f50..b4d6433 100644
--- a/redfish-core/lib/pcie.hpp
+++ b/redfish-core/lib/pcie.hpp
@@ -129,8 +129,9 @@
     {
         return "Gen5";
     }
-    if (generationInUse ==
-        "xyz.openbmc_project.Inventory.Item.PCIeSlot.Generations.Unknown")
+    if (generationInUse.empty() ||
+        generationInUse ==
+            "xyz.openbmc_project.Inventory.Item.PCIeSlot.Generations.Unknown")
     {
         return "";
     }