diff --git a/app/watchdog.cpp b/app/watchdog.cpp
index f6818cb..3d8e227 100644
--- a/app/watchdog.cpp
+++ b/app/watchdog.cpp
@@ -4,6 +4,7 @@
 #include "watchdog_service.hpp"
 
 #include <endian.h>
+#include <host-ipmid/ipmid-api.h>
 
 #include <cstdint>
 #include <phosphor-logging/elog-errors.hpp>
@@ -12,8 +13,6 @@
 #include <string>
 #include <xyz/openbmc_project/Common/error.hpp>
 
-#include "host-ipmid/ipmid-api.h"
-
 using phosphor::logging::commit;
 using phosphor::logging::level;
 using phosphor::logging::log;
diff --git a/app/watchdog.hpp b/app/watchdog.hpp
index 507695f..268ca92 100644
--- a/app/watchdog.hpp
+++ b/app/watchdog.hpp
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "host-ipmid/ipmid-api.h"
+#include <host-ipmid/ipmid-api.h>
 
 /** @brief The RESET watchdog IPMI command.
  *
diff --git a/app/watchdog_service.cpp b/app/watchdog_service.cpp
index 923264b..769a70d 100644
--- a/app/watchdog_service.cpp
+++ b/app/watchdog_service.cpp
@@ -1,5 +1,7 @@
 #include "watchdog_service.hpp"
 
+#include <host-ipmid/ipmid-api.h>
+
 #include <exception>
 #include <phosphor-logging/elog-errors.hpp>
 #include <phosphor-logging/elog.hpp>
@@ -11,8 +13,6 @@
 #include <xyz/openbmc_project/Common/error.hpp>
 #include <xyz/openbmc_project/State/Watchdog/server.hpp>
 
-#include "host-ipmid/ipmid-api.h"
-
 using phosphor::logging::elog;
 using phosphor::logging::entry;
 using phosphor::logging::level;
diff --git a/apphandler.cpp b/apphandler.cpp
index 4a2f2da..c77f014 100644
--- a/apphandler.cpp
+++ b/apphandler.cpp
@@ -1,15 +1,15 @@
-#include "apphandler.h"
+#include "apphandler.hpp"
 
 #include "app/channel.hpp"
 #include "app/watchdog.hpp"
 #include "ipmid.hpp"
-#include "nlohmann/json.hpp"
 #include "sys_info_param.hpp"
 #include "transporthandler.hpp"
 #include "types.hpp"
 #include "utils.hpp"
 
 #include <arpa/inet.h>
+#include <host-ipmid/ipmid-api.h>
 #include <limits.h>
 #include <mapper.h>
 #include <stdint.h>
@@ -17,7 +17,7 @@
 #include <systemd/sd-bus.h>
 #include <unistd.h>
 
-#include "host-ipmid/ipmid-api.h"
+#include <nlohmann/json.hpp>
 
 #if __has_include(<filesystem>)
 #include <filesystem>
diff --git a/apphandler.h b/apphandler.hpp
similarity index 92%
rename from apphandler.h
rename to apphandler.hpp
index cbfafb2..3d377fb 100644
--- a/apphandler.h
+++ b/apphandler.hpp
@@ -1,5 +1,4 @@
-#ifndef __HOST_IPMI_APP_HANDLER_H__
-#define __HOST_IPMI_APP_HANDLER_H__
+#pragma once
 
 #include <stdint.h>
 
@@ -36,5 +35,3 @@
     IPMI_SYSINFO_OS_HYP_URL = 0x07,
     IPMI_SYSINFO_OEM_START = 0xC0, // Start of range of OEM parameters
 };
-
-#endif
diff --git a/chassishandler.cpp b/chassishandler.cpp
index bfc079d..5e86f17 100644
--- a/chassishandler.cpp
+++ b/chassishandler.cpp
@@ -1,4 +1,6 @@
-#include "chassishandler.h"
+#include "config.h"
+
+#include "chassishandler.hpp"
 
 #include "ipmid.hpp"
 #include "settings.hpp"
@@ -7,6 +9,7 @@
 
 #include <arpa/inet.h>
 #include <endian.h>
+#include <host-ipmid/ipmid-api.h>
 #include <limits.h>
 #include <mapper.h>
 #include <netinet/in.h>
@@ -20,8 +23,6 @@
 #include <fstream>
 #include <future>
 #include <sstream>
-
-#include "host-ipmid/ipmid-api.h"
 #if __has_include(<filesystem>)
 #include <filesystem>
 #elif __has_include(<experimental/filesystem>)
@@ -34,7 +35,6 @@
 #else
 #error filesystem not available
 #endif
-#include "config.h"
 
 #include "timer.hpp"
 
@@ -50,6 +50,7 @@
 #include <xyz/openbmc_project/Control/Power/RestorePolicy/server.hpp>
 #include <xyz/openbmc_project/State/Host/server.hpp>
 #include <xyz/openbmc_project/State/PowerOnHours/server.hpp>
+
 // Defines
 #define SET_PARM_VERSION 0x01
 #define SET_PARM_BOOT_FLAGS_PERMANENT 0x40      // boot flags data1 7th bit on
diff --git a/chassishandler.h b/chassishandler.hpp
similarity index 93%
rename from chassishandler.h
rename to chassishandler.hpp
index 0c6d5a2..6535c0e 100644
--- a/chassishandler.h
+++ b/chassishandler.hpp
@@ -1,5 +1,4 @@
-#ifndef __HOST_IPMI_CHASSIS_HANDLER_H__
-#define __HOST_IPMI_CHASSIS_HANDLER_H__
+#pragma once
 
 #include <stdint.h>
 
@@ -58,5 +57,3 @@
     BOOT_FLAGS = 5,
     OPAL_NETWORK_SETTINGS = 50
 };
-
-#endif
diff --git a/dcmihandler.cpp b/dcmihandler.cpp
index 951b6ba..5f13ea2 100644
--- a/dcmihandler.cpp
+++ b/dcmihandler.cpp
@@ -5,6 +5,7 @@
 #include "net.hpp"
 #include "utils.hpp"
 
+#include <host-ipmid/ipmid-api.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>
@@ -18,8 +19,6 @@
 #include <sdbusplus/bus.hpp>
 #include <xyz/openbmc_project/Common/error.hpp>
 
-#include "host-ipmid/ipmid-api.h"
-
 using namespace phosphor::logging;
 using InternalFailure =
     sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
diff --git a/dcmihandler.hpp b/dcmihandler.hpp
index 6e64faf..29757ff 100644
--- a/dcmihandler.hpp
+++ b/dcmihandler.hpp
@@ -1,5 +1,4 @@
-#ifndef __HOST_IPMI_DCMI_HANDLER_H__
-#define __HOST_IPMI_DCMI_HANDLER_H__
+#pragma once
 
 #include "nlohmann/json.hpp"
 
@@ -628,5 +627,3 @@
 } __attribute__((packed));
 
 } // namespace dcmi
-
-#endif
diff --git a/fruread.hpp b/fruread.hpp
index 20f260c..a2fb650 100644
--- a/fruread.hpp
+++ b/fruread.hpp
@@ -1,5 +1,4 @@
-#ifndef OPENBMC_IPMI_FRU_READ_H
-#define OPENBMC_IPMI_FRU_READ_H
+#pragma once
 
 #include <systemd/sd-bus.h>
 
@@ -35,5 +34,3 @@
 
 using FruId = uint32_t;
 using FruMap = std::map<FruId, FruInstanceVec>;
-
-#endif
diff --git a/globalhandler.cpp b/globalhandler.cpp
index 55761b4..61a2a80 100644
--- a/globalhandler.cpp
+++ b/globalhandler.cpp
@@ -1,16 +1,16 @@
-#include "globalhandler.h"
+#include "globalhandler.hpp"
 
+#include "utils.hpp"
+
+#include <host-ipmid/ipmid-api.h>
 #include <stdio.h>
 
 #include <phosphor-logging/elog-errors.hpp>
 #include <phosphor-logging/log.hpp>
 #include <string>
-#include <utils.hpp>
 #include <xyz/openbmc_project/Common/error.hpp>
 #include <xyz/openbmc_project/State/BMC/server.hpp>
 
-#include "host-ipmid/ipmid-api.h"
-
 static constexpr auto bmcStateRoot = "/xyz/openbmc_project/state";
 static constexpr auto bmcStateIntf = "xyz.openbmc_project.State.BMC";
 static constexpr auto reqTransition = "RequestedBMCTransition";
diff --git a/globalhandler.h b/globalhandler.hpp
similarity index 67%
rename from globalhandler.h
rename to globalhandler.hpp
index dcdb68d..23d3b3e 100644
--- a/globalhandler.h
+++ b/globalhandler.hpp
@@ -1,5 +1,4 @@
-#ifndef __HOST_IPMI_GLOBAL_HANDLER_H__
-#define __HOST_IPMI_GLOBAL_HANDLER_H__
+#pragma once
 
 #include <stdint.h>
 
@@ -9,5 +8,3 @@
     IPMI_CMD_COLD_RESET = 0x02,
     IPMI_CMD_WARM_RESET = 0x03,
 };
-
-#endif
diff --git a/groupext.cpp b/groupext.cpp
index 0d8bfe0..616f366 100644
--- a/groupext.cpp
+++ b/groupext.cpp
@@ -1,10 +1,9 @@
 #include "ipmid.hpp"
 
+#include <host-ipmid/ipmid-api.h>
 #include <stdint.h>
 #include <stdio.h>
 
-#include "host-ipmid/ipmid-api.h"
-
 #define GRPEXT_GET_GROUP_CMD 0
 void register_netfn_groupext_functions() __attribute__((constructor));
 
diff --git a/host-cmd-manager.cpp b/host-cmd-manager.cpp
index 90e932b..4084910 100644
--- a/host-cmd-manager.cpp
+++ b/host-cmd-manager.cpp
@@ -1,12 +1,14 @@
-#include <config.h>
-#include <systemintfcmds.h>
+#include "config.h"
+
+#include "host-cmd-manager.hpp"
+
+#include "systemintfcmds.hpp"
+#include "timer.hpp"
+#include "utils.hpp"
 
 #include <chrono>
-#include <host-cmd-manager.hpp>
 #include <phosphor-logging/elog-errors.hpp>
 #include <phosphor-logging/log.hpp>
-#include <timer.hpp>
-#include <utils.hpp>
 #include <xyz/openbmc_project/Common/error.hpp>
 #include <xyz/openbmc_project/State/Host/server.hpp>
 
diff --git a/host-interface.cpp b/host-interface.cpp
index 1f27163..2a3e6ce 100644
--- a/host-interface.cpp
+++ b/host-interface.cpp
@@ -1,12 +1,15 @@
-#include <config.h>
-#include <systemintfcmds.h>
+#include "config.h"
+
+#include "host-interface.hpp"
+
+#include "systemintfcmds.hpp"
+#include "utils.hpp"
 
 #include <functional>
-#include <host-interface.hpp>
 #include <host-ipmid/ipmid-host-cmd-utils.hpp>
 #include <host-ipmid/ipmid-host-cmd.hpp>
 #include <phosphor-logging/log.hpp>
-#include <utils.hpp>
+
 namespace phosphor
 {
 namespace host
diff --git a/host-ipmid/oemopenbmc.hpp b/host-ipmid/oemopenbmc.hpp
index 73a3f9f..02e7e5c 100644
--- a/host-ipmid/oemopenbmc.hpp
+++ b/host-ipmid/oemopenbmc.hpp
@@ -1,8 +1,8 @@
 #pragma once
 
-#include "host-ipmid/oemrouter.hpp"
+#include <host-ipmid/ipmid-api.h>
 
-#include "host-ipmid/ipmid-api.h"
+#include <host-ipmid/oemrouter.hpp>
 
 namespace oem
 {
diff --git a/ipmid.cpp b/ipmid.cpp
index 6da7ff2..c867e3c 100644
--- a/ipmid.cpp
+++ b/ipmid.cpp
@@ -1,7 +1,10 @@
 #include "ipmid.hpp"
 
-#include "host-ipmid/oemrouter.hpp"
+#include "host-cmd-manager.hpp"
+#include "ipmiwhitelist.hpp"
+#include "sensorhandler.hpp"
 #include "settings.hpp"
+#include "timer.hpp"
 
 #include <assert.h>
 #include <dirent.h>
@@ -16,22 +19,18 @@
 #include <unistd.h>
 
 #include <algorithm>
-#include <host-cmd-manager.hpp>
 #include <host-ipmid/ipmid-host-cmd.hpp>
+#include <host-ipmid/oemrouter.hpp>
 #include <iostream>
-#include <ipmiwhitelist.hpp>
 #include <iterator>
 #include <map>
 #include <memory>
 #include <phosphor-logging/log.hpp>
 #include <sdbusplus/bus.hpp>
 #include <sdbusplus/bus/match.hpp>
-#include <timer.hpp>
 #include <vector>
 #include <xyz/openbmc_project/Control/Security/RestrictionMode/server.hpp>
 
-#include "sensorhandler.h"
-
 using namespace phosphor::logging;
 namespace sdbusRule = sdbusplus::bus::match::rules;
 
diff --git a/ipmid.hpp b/ipmid.hpp
index 9d62611..b59cd02 100644
--- a/ipmid.hpp
+++ b/ipmid.hpp
@@ -1,8 +1,7 @@
-#ifndef __HOST_IPMID_IPMI_H__
-#define __HOST_IPMID_IPMI_H__
-#include <stdio.h>
+#pragma once
 
-#include "host-ipmid/ipmid-api.h"
+#include <host-ipmid/ipmid-api.h>
+#include <stdio.h>
 
 // When the requester sends in a netfn and a command along with data, this
 // function will look for registered handlers that will handle that [netfn,cmd]
@@ -23,5 +22,3 @@
 #define MAX_IPMI_BUFFER 64
 
 extern FILE *ipmiio, *ipmidbus, *ipmicmddetails;
-
-#endif
diff --git a/ipmisensor.cpp b/ipmisensor.cpp
index b3fac2c..de8b844 100644
--- a/ipmisensor.cpp
+++ b/ipmisensor.cpp
@@ -1,10 +1,10 @@
+#include "sensorhandler.hpp"
+
 #include <malloc.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>
 
-#include "sensorhandler.h"
-
 extern uint8_t find_type_for_sensor_number(uint8_t);
 
 struct sensorRES_t
diff --git a/ipmiwhitelist.hpp b/ipmiwhitelist.hpp
index 7d096c2..fd45a3d 100644
--- a/ipmiwhitelist.hpp
+++ b/ipmiwhitelist.hpp
@@ -1,5 +1,4 @@
-#ifndef __HOST_IPMID_IPMI_WHITELIST_H__
-#define __HOST_IPMID_IPMI_WHITELIST_H_
+#pragma once
 
 #include <utility>
 #include <vector>
@@ -7,5 +6,3 @@
 using netfncmd_pair = std::pair<unsigned char, unsigned char>;
 
 extern const std::vector<netfncmd_pair> whitelist;
-
-#endif
diff --git a/oemrouter.cpp b/oemrouter.cpp
index 64944db..ecfe096 100644
--- a/oemrouter.cpp
+++ b/oemrouter.cpp
@@ -1,7 +1,6 @@
-#include "host-ipmid/oemrouter.hpp"
-
 #include <cstdio>
 #include <cstring>
+#include <host-ipmid/oemrouter.hpp>
 #include <map>
 #include <utility>
 
diff --git a/read_fru_data.cpp b/read_fru_data.cpp
index 4581a8c..c7ff61b 100644
--- a/read_fru_data.cpp
+++ b/read_fru_data.cpp
@@ -4,12 +4,12 @@
 #include "types.hpp"
 #include "utils.hpp"
 
+#include <host-ipmid/ipmid-api.h>
+
 #include <map>
 #include <phosphor-logging/elog-errors.hpp>
 #include <xyz/openbmc_project/Common/error.hpp>
 
-#include "host-ipmid/ipmid-api.h"
-
 extern const FruMap frus;
 namespace ipmi
 {
diff --git a/selutility.cpp b/selutility.cpp
index 8e04ad4..228bf62 100644
--- a/selutility.cpp
+++ b/selutility.cpp
@@ -1,5 +1,10 @@
+#include "config.h"
+
+#include "selutility.hpp"
+
 #include <chrono>
 #include <vector>
+
 #if __has_include(<filesystem>)
 #include <filesystem>
 #elif __has_include(<experimental/filesystem>)
@@ -12,17 +17,15 @@
 #else
 #error filesystem not available
 #endif
-#include "config.h"
 
-#include "selutility.hpp"
 #include "types.hpp"
 #include "utils.hpp"
 
+#include <host-ipmid/ipmid-api.h>
+
 #include <phosphor-logging/elog-errors.hpp>
 #include <xyz/openbmc_project/Common/error.hpp>
 
-#include "host-ipmid/ipmid-api.h"
-
 extern const ipmi::sensor::InvObjectIDMap invSensors;
 using namespace phosphor::logging;
 using InternalFailure =
diff --git a/sensordatahandler.cpp b/sensordatahandler.cpp
index d4f1251..27dd011 100644
--- a/sensordatahandler.cpp
+++ b/sensordatahandler.cpp
@@ -12,6 +12,7 @@
 #error filesystem not available
 #endif
 #include "sensordatahandler.hpp"
+#include "sensorhandler.hpp"
 #include "types.hpp"
 #include "utils.hpp"
 
@@ -19,8 +20,6 @@
 #include <phosphor-logging/log.hpp>
 #include <xyz/openbmc_project/Common/error.hpp>
 
-#include "sensorhandler.h"
-
 namespace ipmi
 {
 namespace sensor
diff --git a/sensordatahandler.hpp b/sensordatahandler.hpp
index 7185116..771303d 100644
--- a/sensordatahandler.hpp
+++ b/sensordatahandler.hpp
@@ -1,13 +1,12 @@
 #pragma once
 
+#include "sensorhandler.hpp"
 #include "types.hpp"
 #include "utils.hpp"
 
+#include <host-ipmid/ipmid-api.h>
 #include <math.h>
 
-#include "host-ipmid/ipmid-api.h"
-#include "sensorhandler.h"
-
 namespace ipmi
 {
 namespace sensor
diff --git a/sensorhandler.cpp b/sensorhandler.cpp
index 7c6a4dc..80f7c4b 100644
--- a/sensorhandler.cpp
+++ b/sensorhandler.cpp
@@ -1,10 +1,11 @@
-#include "sensorhandler.h"
+#include "sensorhandler.hpp"
 
 #include "fruread.hpp"
 #include "ipmid.hpp"
 #include "types.hpp"
 #include "utils.hpp"
 
+#include <host-ipmid/ipmid-api.h>
 #include <mapper.h>
 #include <math.h>
 #include <stdio.h>
@@ -18,8 +19,6 @@
 #include <xyz/openbmc_project/Common/error.hpp>
 #include <xyz/openbmc_project/Sensor/Value/server.hpp>
 
-#include "host-ipmid/ipmid-api.h"
-
 static constexpr uint8_t fruInventoryDevice = 0x10;
 static constexpr uint8_t IPMIFruInventory = 0x02;
 static constexpr uint8_t BMCSlaveAddress = 0x20;
diff --git a/sensorhandler.h b/sensorhandler.hpp
similarity index 98%
rename from sensorhandler.h
rename to sensorhandler.hpp
index 3f2fd99..b32034f 100644
--- a/sensorhandler.h
+++ b/sensorhandler.hpp
@@ -1,12 +1,10 @@
-#ifndef __HOST_IPMI_SEN_HANDLER_H__
-#define __HOST_IPMI_SEN_HANDLER_H__
+#pragma once
 
 #include "types.hpp"
 
+#include <host-ipmid/ipmid-api.h>
 #include <stdint.h>
 
-#include "host-ipmid/ipmid-api.h"
-
 // IPMI commands for net functions.
 enum ipmi_netfn_sen_cmds
 {
@@ -639,4 +637,3 @@
 } // namespace sensor
 
 } // namespace ipmi
-#endif
diff --git a/storageaddsel.cpp b/storageaddsel.cpp
index 95fcddf..9213481 100644
--- a/storageaddsel.cpp
+++ b/storageaddsel.cpp
@@ -1,7 +1,10 @@
 #include "elog-errors.hpp"
 #include "error-HostEvent.hpp"
+#include "sensorhandler.hpp"
+#include "storagehandler.hpp"
 #include "types.hpp"
 
+#include <host-ipmid/ipmid-api.h>
 #include <mapper.h>
 #include <stdint.h>
 #include <systemd/sd-bus.h>
@@ -16,10 +19,6 @@
 #include <vector>
 #include <xyz/openbmc_project/Logging/Entry/server.hpp>
 
-#include "host-ipmid/ipmid-api.h"
-#include "sensorhandler.h"
-#include "storagehandler.h"
-
 using namespace std;
 using namespace phosphor::logging;
 using namespace sdbusplus::xyz::openbmc_project::Logging::server;
diff --git a/storageaddsel.h b/storageaddsel.hpp
similarity index 96%
rename from storageaddsel.h
rename to storageaddsel.hpp
index 113254b..c25ead3 100644
--- a/storageaddsel.h
+++ b/storageaddsel.hpp
@@ -1,3 +1,5 @@
+#pragma once
+
 #include <stdint.h>
 
 void send_esel(uint16_t recordid);
diff --git a/storagehandler.cpp b/storagehandler.cpp
index 871eae6..24c9d30 100644
--- a/storagehandler.cpp
+++ b/storagehandler.cpp
@@ -18,8 +18,12 @@
 #include "fruread.hpp"
 #include "read_fru_data.hpp"
 #include "selutility.hpp"
+#include "sensorhandler.hpp"
+#include "storageaddsel.hpp"
+#include "storagehandler.hpp"
 #include "utils.hpp"
 
+#include <host-ipmid/ipmid-api.h>
 #include <mapper.h>
 #include <systemd/sd-bus.h>
 
@@ -29,11 +33,6 @@
 #include <string>
 #include <xyz/openbmc_project/Common/error.hpp>
 
-#include "host-ipmid/ipmid-api.h"
-#include "sensorhandler.h"
-#include "storageaddsel.h"
-#include "storagehandler.h"
-
 void register_netfn_storage_functions() __attribute__((constructor));
 
 unsigned int g_sel_time = 0xFFFFFFFF;
diff --git a/storagehandler.h b/storagehandler.hpp
similarity index 96%
rename from storagehandler.h
rename to storagehandler.hpp
index 0aef3e3..cccd62e 100644
--- a/storagehandler.h
+++ b/storagehandler.hpp
@@ -1,5 +1,4 @@
-#ifndef __HOST_IPMI_STORAGE_HANDLER_H__
-#define __HOST_IPMI_STORAGE_HANDLER_H__
+#pragma once
 
 #include <cstdint>
 
@@ -88,4 +87,3 @@
     uint8_t deletionTimestamp[4]; //< Most recent deletion timestamp LS first
     uint8_t operationSupport;     //< Operation support
 } __attribute__((packed));
-#endif
diff --git a/systemintfcmds.cpp b/systemintfcmds.cpp
index c39a7af..af646d1 100644
--- a/systemintfcmds.cpp
+++ b/systemintfcmds.cpp
@@ -1,15 +1,15 @@
 #include "config.h"
 
-#include "systemintfcmds.h"
+#include "systemintfcmds.hpp"
 
 #include "host-cmd-manager.hpp"
 #include "host-interface.hpp"
-#include "host-ipmid/ipmid-host-cmd.hpp"
 
+#include <host-ipmid/ipmid-api.h>
 #include <mapper.h>
 #include <stdio.h>
 
-#include "host-ipmid/ipmid-api.h"
+#include <host-ipmid/ipmid-host-cmd.hpp>
 
 void register_netfn_app_functions() __attribute__((constructor));
 
diff --git a/systemintfcmds.h b/systemintfcmds.hpp
similarity index 92%
rename from systemintfcmds.h
rename to systemintfcmds.hpp
index 0243c02..c0b3318 100644
--- a/systemintfcmds.h
+++ b/systemintfcmds.hpp
@@ -1,5 +1,4 @@
-#ifndef __SYSTEM_INTF_CMDS_HANDLER_H__
-#define __SYSTEM_INTF_CMDS_HANDLER_H__
+#pragma once
 
 #include <stdint.h>
 
@@ -42,5 +41,3 @@
     uint8_t cmd;
     uint8_t data[4];
 };
-
-#endif
diff --git a/test/oemrouter_unittest.cpp b/test/oemrouter_unittest.cpp
index b48798b..ec79316 100644
--- a/test/oemrouter_unittest.cpp
+++ b/test/oemrouter_unittest.cpp
@@ -1,8 +1,8 @@
-#include "host-ipmid/oemrouter.hpp"
+#include <host-ipmid/ipmid-api.h>
 
 #include <cstring>
+#include <host-ipmid/oemrouter.hpp>
 
-#include "host-ipmid/ipmid-api.h"
 #include "sample.h"
 
 #include <gtest/gtest.h>
diff --git a/testaddsel.cpp b/testaddsel.cpp
index 7f42acb..e44ecb7 100644
--- a/testaddsel.cpp
+++ b/testaddsel.cpp
@@ -1,3 +1,5 @@
+#include "sensorhandler.hpp"
+
 #include <errno.h>
 #include <limits.h>
 #include <mapper.h>
@@ -6,8 +8,6 @@
 #include <stdlib.h>
 #include <systemd/sd-bus.h>
 
-#include "sensorhandler.h"
-
 extern void send_esel(uint16_t recordid);
 
 sd_bus* bus = NULL;
diff --git a/transporthandler.cpp b/transporthandler.cpp
index a6239ea..92ada92 100644
--- a/transporthandler.cpp
+++ b/transporthandler.cpp
@@ -26,12 +26,12 @@
 #include "transporthandler.hpp"
 #include "utils.hpp"
 
+#include <host-ipmid/ipmid-api.h>
+
 #include <phosphor-logging/elog-errors.hpp>
 #include <phosphor-logging/log.hpp>
 #include <xyz/openbmc_project/Common/error.hpp>
 
-#include "host-ipmid/ipmid-api.h"
-
 #define SYSTEMD_NETWORKD_DBUS 1
 
 #ifdef SYSTEMD_NETWORKD_DBUS