diff --git a/presence/error_reporter.cpp b/presence/error_reporter.cpp
index 1b46bdf..790a260 100644
--- a/presence/error_reporter.cpp
+++ b/presence/error_reporter.cpp
@@ -20,13 +20,14 @@
 #include "psensor.hpp"
 #include "utility.hpp"
 
-#include <fmt/format.h>
 #include <unistd.h>
 
 #include <phosphor-logging/log.hpp>
 #include <xyz/openbmc_project/Logging/Create/server.hpp>
 #include <xyz/openbmc_project/Logging/Entry/server.hpp>
 
+#include <format>
+
 namespace phosphor::fan::presence
 {
 
@@ -108,7 +109,7 @@
         present = std::get<bool>(presentProp->second);
         if (_fanStates[fanPath] != present)
         {
-            getLogger().log(fmt::format("Fan {} presence state change to {}",
+            getLogger().log(std::format("Fan {} presence state change to {}",
                                         fanPath, present));
 
             _fanStates[fanPath] = present;
@@ -147,7 +148,7 @@
 void ErrorReporter::fanMissingTimerExpired(const std::string& fanPath)
 {
     getLogger().log(
-        fmt::format("Creating event log for missing fan {}", fanPath),
+        std::format("Creating event log for missing fan {}", fanPath),
         Logger::error);
 
     std::map<std::string, std::string> additionalData;
@@ -184,7 +185,7 @@
     catch (const util::DBusError& e)
     {
         getLogger().log(
-            fmt::format(
+            std::format(
                 "Call to create an error log for missing fan {} failed: {}",
                 fanPath, e.what()),
             Logger::error);
@@ -208,7 +209,7 @@
         if (missing)
         {
             getLogger().log(
-                fmt::format("At power on, there are {} missing fans", missing));
+                std::format("At power on, there are {} missing fans", missing));
         }
     }
 
diff --git a/presence/fallback.cpp b/presence/fallback.cpp
index a3c5e72..f301ac1 100644
--- a/presence/fallback.cpp
+++ b/presence/fallback.cpp
@@ -18,11 +18,10 @@
 #include "fan.hpp"
 #include "psensor.hpp"
 
-#include <fmt/format.h>
-
 #include <phosphor-logging/log.hpp>
 
 #include <algorithm>
+#include <format>
 
 namespace phosphor
 {
@@ -54,7 +53,7 @@
                 ++activeSensor;
             }
             phosphor::logging::log<phosphor::logging::level::INFO>(
-                fmt::format("Using backup presence sensor for fan {}",
+                std::format("Using backup presence sensor for fan {}",
                             std::get<1>(fan))
                     .c_str());
             activeSensor = it;
@@ -92,7 +91,7 @@
     if (activeSensor != sensors.begin())
     {
         phosphor::logging::log<phosphor::logging::level::INFO>(
-            fmt::format("Using backup presence sensor for fan {}",
+            std::format("Using backup presence sensor for fan {}",
                         std::get<1>(fan))
                 .c_str());
     }
diff --git a/presence/gpio.cpp b/presence/gpio.cpp
index 8e4a6d2..ceba1c6 100644
--- a/presence/gpio.cpp
+++ b/presence/gpio.cpp
@@ -109,7 +109,7 @@
     ad.emplace("GPIO_DEVICE_PATH", (phys.c_str()));
 
     getLogger().log(
-        fmt::format("GPIO presence detect for fan {} said not present but "
+        std::format("GPIO presence detect for fan {} said not present but "
                     "other methods indicated present",
                     fanInventoryPath));
     try
@@ -121,7 +121,7 @@
     catch (const util::DBusError& e)
     {
         getLogger().log(
-            fmt::format("Call to create a {} error for fan {} failed: {}",
+            std::format("Call to create a {} error for fan {} failed: {}",
                         errorName, fanInventoryPath, e.what()),
             Logger::error);
     }
diff --git a/presence/json_parser.cpp b/presence/json_parser.cpp
index 5de827d..70cac08 100644
--- a/presence/json_parser.cpp
+++ b/presence/json_parser.cpp
@@ -309,7 +309,7 @@
         namespace sdlogging = sdbusplus::xyz::openbmc_project::Logging::server;
 
         log<level::ERR>(
-            fmt::format(
+            std::format(
                 "Error creating Gpio device bridge, hardware not detected: {}",
                 e.what())
                 .c_str());
@@ -331,7 +331,7 @@
         }
         catch (const util::DBusError& e)
         {
-            log<level::ERR>(fmt::format("Call to create an error log for "
+            log<level::ERR>(std::format("Call to create an error log for "
                                         "presence-sensor failure failed: {}",
                                         e.what())
                                 .c_str());
diff --git a/presence/tach.cpp b/presence/tach.cpp
index 9fa8256..9f6e105 100644
--- a/presence/tach.cpp
+++ b/presence/tach.cpp
@@ -18,10 +18,9 @@
 #include "logging.hpp"
 #include "rpolicy.hpp"
 
-#include <fmt/format.h>
-
 #include <phosphor-logging/log.hpp>
 
+#include <format>
 #include <string>
 #include <tuple>
 #include <vector>
@@ -75,7 +74,7 @@
 
             std::get<double>(s) = 0;
             log<level::INFO>(
-                fmt::format("Unable to read fan tach sensor {}", tachPath)
+                std::format("Unable to read fan tach sensor {}", tachPath)
                     .c_str());
         }
     }
@@ -144,7 +143,7 @@
 
 void Tach::logConflict(const std::string& fanInventoryPath) const
 {
-    getLogger().log(fmt::format(
+    getLogger().log(std::format(
         "Tach sensor presence detect for fan {} said not present but "
         "other methods indicated present",
         fanInventoryPath));