diff --git a/redfish-core/lib/bios.hpp b/redfish-core/lib/bios.hpp
index c2fb284..d8475ae 100644
--- a/redfish-core/lib/bios.hpp
+++ b/redfish-core/lib/bios.hpp
@@ -9,7 +9,7 @@
  * BiosService class supports handle get method for bios.
  */
 inline void
-    handleBiosServiceGet(const crow::Request&,
+    handleBiosServiceGet(const crow::Request& /*req*/,
                          const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
 {
     asyncResp->res.jsonValue["@odata.id"] = "/redfish/v1/Systems/system/Bios";
@@ -39,7 +39,7 @@
  * Analyzes POST body message before sends Reset request data to D-Bus.
  */
 inline void
-    handleBiosResetPost(const crow::Request&,
+    handleBiosResetPost(const crow::Request& /*req*/,
                         const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
 {
     crow::connections::systemBus->async_method_call(
diff --git a/redfish-core/lib/message_registries.hpp b/redfish-core/lib/message_registries.hpp
index cfa2bf5..c2848c3 100644
--- a/redfish-core/lib/message_registries.hpp
+++ b/redfish-core/lib/message_registries.hpp
@@ -28,7 +28,8 @@
 {
 
 inline void handleMessageRegistryFileCollectionGet(
-    const crow::Request&, const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
+    const crow::Request& /*req*/,
+    const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
 {
     // Collections don't include the static data added by SubRoute
     // because it has a duplicate entry for members
@@ -59,7 +60,8 @@
 }
 
 inline void handleMessageRoutesMessageRegistryFileGet(
-    const crow::Request&, const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
+    const crow::Request& /*req*/,
+    const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
     const std::string& registry)
 {
     const message_registries::Header* header = nullptr;
@@ -123,7 +125,8 @@
 }
 
 inline void handleMessageRegistryGet(
-    const crow::Request&, const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
+    const crow::Request& /*req*/,
+    const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
     const std::string& registry, const std::string& registryMatch)
 
 {
diff --git a/redfish-core/lib/service_root.hpp b/redfish-core/lib/service_root.hpp
index 62be63f..2a1803d 100644
--- a/redfish-core/lib/service_root.hpp
+++ b/redfish-core/lib/service_root.hpp
@@ -24,7 +24,7 @@
 {
 
 inline void
-    handleServiceRootGet(const crow::Request&,
+    handleServiceRootGet(const crow::Request& /*req*/,
                          const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
 {
 
diff --git a/redfish-core/lib/telemetry_service.hpp b/redfish-core/lib/telemetry_service.hpp
index c3082d7..5457530 100644
--- a/redfish-core/lib/telemetry_service.hpp
+++ b/redfish-core/lib/telemetry_service.hpp
@@ -10,7 +10,8 @@
 {
 
 inline void handleTelemetryServiceGet(
-    const crow::Request&, const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
+    const crow::Request& /*req*/,
+    const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
 {
     asyncResp->res.jsonValue["@odata.type"] =
         "#TelemetryService.v1_2_1.TelemetryService";