diff --git a/redfish-core/include/utils/chassis_utils.hpp b/redfish-core/include/utils/chassis_utils.hpp
index 3a71048..d9fcf59 100644
--- a/redfish-core/include/utils/chassis_utils.hpp
+++ b/redfish-core/include/utils/chassis_utils.hpp
@@ -18,6 +18,10 @@
 namespace redfish
 {
 
+static constexpr std::array<std::string_view, 2> chassisInterfaces = {
+    "xyz.openbmc_project.Inventory.Item.Board",
+    "xyz.openbmc_project.Inventory.Item.Chassis"};
+
 namespace chassis_utils
 {
 /**
@@ -30,13 +34,10 @@
                          const std::string& chassisId, Callback&& callback)
 {
     BMCWEB_LOG_DEBUG("checkChassisId enter");
-    constexpr std::array<std::string_view, 2> interfaces = {
-        "xyz.openbmc_project.Inventory.Item.Board",
-        "xyz.openbmc_project.Inventory.Item.Chassis"};
 
     // Get the Chassis Collection
     dbus::utility::getSubTreePaths(
-        "/xyz/openbmc_project/inventory", 0, interfaces,
+        "/xyz/openbmc_project/inventory", 0, chassisInterfaces,
         [callback = std::forward<Callback>(callback), asyncResp,
          chassisId](const boost::system::error_code& ec,
                     const dbus::utility::MapperGetSubTreePathsResponse&
diff --git a/redfish-core/lib/chassis.hpp b/redfish-core/lib/chassis.hpp
index 14e543d..879ae38 100644
--- a/redfish-core/lib/chassis.hpp
+++ b/redfish-core/lib/chassis.hpp
@@ -18,6 +18,7 @@
 #include "logging.hpp"
 #include "query.hpp"
 #include "registries/privilege_registry.hpp"
+#include "utils/chassis_utils.hpp"
 #include "utils/collection.hpp"
 #include "utils/dbus_utils.hpp"
 #include "utils/json_utils.hpp"
@@ -256,11 +257,8 @@
     asyncResp->res.jsonValue["@odata.id"] = "/redfish/v1/Chassis";
     asyncResp->res.jsonValue["Name"] = "Chassis Collection";
 
-    constexpr std::array<std::string_view, 2> interfaces{
-        "xyz.openbmc_project.Inventory.Item.Board",
-        "xyz.openbmc_project.Inventory.Item.Chassis"};
     collection_util::getCollectionMembers(
-        asyncResp, boost::urls::url("/redfish/v1/Chassis"), interfaces,
+        asyncResp, boost::urls::url("/redfish/v1/Chassis"), chassisInterfaces,
         "/xyz/openbmc_project/inventory");
 }
 
@@ -351,20 +349,17 @@
 {
     BMCWEB_LOG_DEBUG("Get chassis connectivity");
 
-    constexpr std::array<std::string_view, 2> interfaces{
-        "xyz.openbmc_project.Inventory.Item.Board",
-        "xyz.openbmc_project.Inventory.Item.Chassis"};
-
     dbus::utility::getAssociatedSubTreePaths(
         chassisPath + "/contained_by",
         sdbusplus::message::object_path("/xyz/openbmc_project/inventory"), 0,
-        interfaces,
+        chassisInterfaces,
         std::bind_front(getChassisContainedBy, asyncResp, chassisId));
 
     dbus::utility::getAssociatedSubTreePaths(
         chassisPath + "/containing",
         sdbusplus::message::object_path("/xyz/openbmc_project/inventory"), 0,
-        interfaces, std::bind_front(getChassisContains, asyncResp, chassisId));
+        chassisInterfaces,
+        std::bind_front(getChassisContains, asyncResp, chassisId));
 }
 
 /**
@@ -731,12 +726,9 @@
     {
         return;
     }
-    constexpr std::array<std::string_view, 2> interfaces = {
-        "xyz.openbmc_project.Inventory.Item.Board",
-        "xyz.openbmc_project.Inventory.Item.Chassis"};
 
     dbus::utility::getSubTree(
-        "/xyz/openbmc_project/inventory", 0, interfaces,
+        "/xyz/openbmc_project/inventory", 0, chassisInterfaces,
         std::bind_front(handleChassisGetSubTree, asyncResp, chassisId));
 
     constexpr std::array<std::string_view, 1> interfaces2 = {
@@ -785,14 +777,10 @@
             "299 - \"IndicatorLED is deprecated. Use LocationIndicatorActive instead.\"");
     }
 
-    constexpr std::array<std::string_view, 2> interfaces = {
-        "xyz.openbmc_project.Inventory.Item.Board",
-        "xyz.openbmc_project.Inventory.Item.Chassis"};
-
     const std::string& chassisId = param;
 
     dbus::utility::getSubTree(
-        "/xyz/openbmc_project/inventory", 0, interfaces,
+        "/xyz/openbmc_project/inventory", 0, chassisInterfaces,
         [asyncResp, chassisId, locationIndicatorActive,
          indicatorLed](const boost::system::error_code& ec,
                        const dbus::utility::MapperGetSubTreeResponse& subtree) {
diff --git a/redfish-core/lib/power.hpp b/redfish-core/lib/power.hpp
index 50e466c..1d7a59f 100644
--- a/redfish-core/lib/power.hpp
+++ b/redfish-core/lib/power.hpp
@@ -24,7 +24,6 @@
 #include <nlohmann/json.hpp>
 #include <sdbusplus/message/native_types.hpp>
 
-#include <array>
 #include <cmath>
 #include <cstddef>
 #include <cstdint>
@@ -286,12 +285,8 @@
     // This prevents things like power supplies providing the
     // chassis power limit
 
-    constexpr std::array<std::string_view, 2> interfaces = {
-        "xyz.openbmc_project.Inventory.Item.Board",
-        "xyz.openbmc_project.Inventory.Item.Chassis"};
-
     dbus::utility::getSubTreePaths(
-        "/xyz/openbmc_project/inventory", 0, interfaces,
+        "/xyz/openbmc_project/inventory", 0, chassisInterfaces,
         std::bind_front(afterGetChassis, sensorAsyncResp));
 }
 
diff --git a/redfish-core/lib/power_supply.hpp b/redfish-core/lib/power_supply.hpp
index 9d2d3ce..09093a3 100644
--- a/redfish-core/lib/power_supply.hpp
+++ b/redfish-core/lib/power_supply.hpp
@@ -130,13 +130,10 @@
         return;
     }
 
-    constexpr std::array<std::string_view, 2> chasisInterfaces = {
-        "xyz.openbmc_project.Inventory.Item.Board",
-        "xyz.openbmc_project.Inventory.Item.Chassis"};
     const std::string reqpath = "/xyz/openbmc_project/inventory";
 
     dbus::utility::getAssociatedSubTreePathsById(
-        chassisId, reqpath, chasisInterfaces, "powered_by",
+        chassisId, reqpath, chassisInterfaces, "powered_by",
         powerSupplyInterface,
         [asyncResp, chassisId](
             const boost::system::error_code& ec,
@@ -194,13 +191,10 @@
     std::function<void(const std::string& powerSupplyPath,
                        const std::string& service)>&& callback)
 {
-    constexpr std::array<std::string_view, 2> chasisInterfaces = {
-        "xyz.openbmc_project.Inventory.Item.Board",
-        "xyz.openbmc_project.Inventory.Item.Chassis"};
     const std::string reqpath = "/xyz/openbmc_project/inventory";
 
     dbus::utility::getAssociatedSubTreeById(
-        chassisId, reqpath, chasisInterfaces, "powered_by",
+        chassisId, reqpath, chassisInterfaces, "powered_by",
         powerSupplyInterface,
         [asyncResp, chassisId, powerSupplyId, callback{std::move(callback)}](
             const boost::system::error_code& ec,
diff --git a/redfish-core/lib/redfish_util.hpp b/redfish-core/lib/redfish_util.hpp
index aa0d861..0b10a1b 100644
--- a/redfish-core/lib/redfish_util.hpp
+++ b/redfish-core/lib/redfish_util.hpp
@@ -8,13 +8,13 @@
 #include "dbus_utility.hpp"
 #include "error_messages.hpp"
 #include "logging.hpp"
+#include "utils/chassis_utils.hpp"
 
 #include <boost/system/errc.hpp>
 #include <boost/system/error_code.hpp>
 #include <sdbusplus/message/native_types.hpp>
 
 #include <algorithm>
-#include <array>
 #include <charconv>
 #include <cstddef>
 #include <cstdint>
@@ -64,11 +64,8 @@
                       CallbackFunc&& callback)
 {
     // Find managed chassis
-    constexpr std::array<std::string_view, 2> interfaces = {
-        "xyz.openbmc_project.Inventory.Item.Board",
-        "xyz.openbmc_project.Inventory.Item.Chassis"};
     dbus::utility::getSubTree(
-        "/xyz/openbmc_project/inventory", 0, interfaces,
+        "/xyz/openbmc_project/inventory", 0, chassisInterfaces,
         [callback = std::forward<CallbackFunc>(callback),
          asyncResp](const boost::system::error_code& ec,
                     const dbus::utility::MapperGetSubTreeResponse& subtree) {
diff --git a/redfish-core/lib/sensors.hpp b/redfish-core/lib/sensors.hpp
index 2675e7f..9151d59 100644
--- a/redfish-core/lib/sensors.hpp
+++ b/redfish-core/lib/sensors.hpp
@@ -17,6 +17,7 @@
 #include "query.hpp"
 #include "registries/privilege_registry.hpp"
 #include "str_utility.hpp"
+#include "utils/chassis_utils.hpp"
 #include "utils/dbus_utils.hpp"
 #include "utils/json_utils.hpp"
 #include "utils/query_param.hpp"
@@ -413,13 +414,10 @@
                 Callback&& callback)
 {
     BMCWEB_LOG_DEBUG("getChassis enter");
-    constexpr std::array<std::string_view, 2> interfaces = {
-        "xyz.openbmc_project.Inventory.Item.Board",
-        "xyz.openbmc_project.Inventory.Item.Chassis"};
 
     // Get the Chassis Collection
     dbus::utility::getSubTreePaths(
-        "/xyz/openbmc_project/inventory", 0, interfaces,
+        "/xyz/openbmc_project/inventory", 0, chassisInterfaces,
         [callback = std::forward<Callback>(callback), asyncResp,
          chassisIdStr{std::string(chassisId)},
          chassisSubNode{std::string(chassisSubNode)},
diff --git a/redfish-core/lib/storage.hpp b/redfish-core/lib/storage.hpp
index 6fafcce..5b2d78e 100644
--- a/redfish-core/lib/storage.hpp
+++ b/redfish-core/lib/storage.hpp
@@ -18,6 +18,7 @@
 #include "query.hpp"
 #include "redfish_util.hpp"
 #include "registries/privilege_registry.hpp"
+#include "utils/chassis_utils.hpp"
 #include "utils/collection.hpp"
 #include "utils/dbus_utils.hpp"
 
@@ -816,11 +817,8 @@
     }
 
     // mapper call lambda
-    constexpr std::array<std::string_view, 2> interfaces = {
-        "xyz.openbmc_project.Inventory.Item.Board",
-        "xyz.openbmc_project.Inventory.Item.Chassis"};
     dbus::utility::getSubTree(
-        "/xyz/openbmc_project/inventory", 0, interfaces,
+        "/xyz/openbmc_project/inventory", 0, chassisInterfaces,
         std::bind_front(afterChassisDriveCollectionSubtreeGet, asyncResp,
                         chassisId));
 }
@@ -915,13 +913,10 @@
     {
         return;
     }
-    constexpr std::array<std::string_view, 2> interfaces = {
-        "xyz.openbmc_project.Inventory.Item.Board",
-        "xyz.openbmc_project.Inventory.Item.Chassis"};
 
     // mapper call chassis
     dbus::utility::getSubTree(
-        "/xyz/openbmc_project/inventory", 0, interfaces,
+        "/xyz/openbmc_project/inventory", 0, chassisInterfaces,
         [asyncResp, chassisId,
          driveName](const boost::system::error_code& ec,
                     const dbus::utility::MapperGetSubTreeResponse& subtree) {