diff --git a/include/error_monitors/base_monitor.hpp b/include/error_monitors/base_monitor.hpp
index 25c21ae..2bb0908 100644
--- a/include/error_monitors/base_monitor.hpp
+++ b/include/error_monitors/base_monitor.hpp
@@ -14,6 +14,7 @@
 // limitations under the License.
 */
 #pragma once
+#include <boost/asio/io_context.hpp>
 #include <sdbusplus/asio/object_server.hpp>
 #include <xyz/openbmc_project/Logging/Entry/common.hpp>
 
diff --git a/include/host_error_monitor.hpp b/include/host_error_monitor.hpp
index f1d26ac..bc7159c 100644
--- a/include/host_error_monitor.hpp
+++ b/include/host_error_monitor.hpp
@@ -31,7 +31,8 @@
 
 bool hostIsOff();
 
-void startPowerCycle(std::shared_ptr<sdbusplus::asio::connection> conn)
+static inline void
+    startPowerCycle(std::shared_ptr<sdbusplus::asio::connection> conn)
 {
     conn->async_method_call(
         [](boost::system::error_code ec) {
@@ -48,7 +49,8 @@
             "xyz.openbmc_project.State.Chassis.Transition.PowerCycle"});
 }
 
-void startWarmReset(std::shared_ptr<sdbusplus::asio::connection> conn)
+static inline void
+    startWarmReset(std::shared_ptr<sdbusplus::asio::connection> conn)
 {
     conn->async_method_call(
         [](boost::system::error_code ec) {
@@ -92,7 +94,7 @@
     }
 }
 
-void startCrashdumpAndRecovery(
+static inline void startCrashdumpAndRecovery(
     [[maybe_unused]] std::shared_ptr<sdbusplus::asio::connection> conn,
     [[maybe_unused]] RecoveryType requestedRecovery,
     [[maybe_unused]] const std::string& triggerType)
@@ -154,7 +156,7 @@
 }
 #endif
 
-[[maybe_unused]] static void
+[[maybe_unused]] static inline void
     beep(std::shared_ptr<sdbusplus::asio::connection> conn,
          const uint8_t& beepPriority)
 {
@@ -172,7 +174,7 @@
         "xyz.openbmc_project.BeepCode", "Beep", uint8_t(beepPriority));
 }
 
-[[maybe_unused]] static void
+[[maybe_unused]] static inline void
     checkErrPinCPUs([[maybe_unused]] const size_t errPin,
                     std::bitset<MAX_CPUS>& errPinCPUs)
 {