diff --git a/redfish-core/include/utils/query_param_test.cpp b/redfish-core/include/utils/query_param_test.cpp
index a87d954..97f9c38 100644
--- a/redfish-core/include/utils/query_param_test.cpp
+++ b/redfish-core/include/utils/query_param_test.cpp
@@ -315,7 +315,7 @@
 namespace redfish::query_param
 {
 // NOLINTNEXTLINE(readability-identifier-naming)
-void PrintTo(const ExpandNode& value, ::std::ostream* os)
+static void PrintTo(const ExpandNode& value, ::std::ostream* os)
 {
     *os << "ExpandNode: " << value.location << " " << value.uri;
 }
diff --git a/redfish-core/lib/redfish_sessions.hpp b/redfish-core/lib/redfish_sessions.hpp
index 89008c9..05e7fdc 100644
--- a/redfish-core/lib/redfish_sessions.hpp
+++ b/redfish-core/lib/redfish_sessions.hpp
@@ -151,7 +151,7 @@
     asyncResp->res.jsonValue = getSessionCollectionMembers();
 }
 
-void handleSessionCollectionPost(
+inline void handleSessionCollectionPost(
     crow::App& app, const crow::Request& req,
     const std::shared_ptr<bmcweb::AsyncResp>& asyncResp)
 {
diff --git a/redfish-core/lib/sensors.hpp b/redfish-core/lib/sensors.hpp
index b09b582..0c4203d 100644
--- a/redfish-core/lib/sensors.hpp
+++ b/redfish-core/lib/sensors.hpp
@@ -47,12 +47,12 @@
 // clang-format off
 namespace dbus
 {
-auto powerPaths = std::to_array<std::string_view>({
+static auto powerPaths = std::to_array<std::string_view>({
     "/xyz/openbmc_project/sensors/voltage",
     "/xyz/openbmc_project/sensors/power"
 });
 
-auto sensorPaths = std::to_array<std::string_view>({
+static auto sensorPaths = std::to_array<std::string_view>({
     "/xyz/openbmc_project/sensors/power",
     "/xyz/openbmc_project/sensors/current",
     "/xyz/openbmc_project/sensors/airflow",
@@ -68,7 +68,7 @@
     "/xyz/openbmc_project/sensors/utilization"
 });
 
-auto thermalPaths = std::to_array<std::string_view>({
+static auto thermalPaths = std::to_array<std::string_view>({
     "/xyz/openbmc_project/sensors/fan_tach",
     "/xyz/openbmc_project/sensors/temperature",
     "/xyz/openbmc_project/sensors/fan_pwm"