diff --git a/things/Device.h b/things/Device.h
index 6c72aef..5ff36b5 100644
--- a/things/Device.h
+++ b/things/Device.h
@@ -1,5 +1,4 @@
-#ifndef DEVICE_H
-#define DEVICE_H
+#pragma once
 
 class Device {
   public:
@@ -8,5 +7,3 @@ class Device {
     virtual void deviceRegister() = 0;
     virtual void deviceLoop() = 0;
 };
-
-#endif
diff --git a/things/DeviceDht.h b/things/DeviceDht.h
index b48eb71..1d09e3b 100644
--- a/things/DeviceDht.h
+++ b/things/DeviceDht.h
@@ -1,5 +1,4 @@
-#ifndef DEVICEDHT_H
-#define DEVICEDHT_H
+#pragma once
 
 #include "Device.h"
 #include <Homie.h>
@@ -26,5 +25,3 @@ class DeviceDht : public Device {
     HomieNode temperatureNode{"temperature", "temperature"};
     HomieNode heatindexNode{"heatindex", "heatindex"};
 };
-
-#endif
diff --git a/things/DeviceIrRx.h b/things/DeviceIrRx.h
index 7cb9a15..93597be 100644
--- a/things/DeviceIrRx.h
+++ b/things/DeviceIrRx.h
@@ -1,5 +1,4 @@
-#ifndef DEVICEIRRX_H
-#define DEVICEIRRX_H
+#pragma once
 
 #include "Device.h"
 #include <Homie.h>
@@ -21,5 +20,3 @@ class DeviceIrRx : public Device {
     decode_results results;
     HomieNode irRxNode = HomieNode("irrx", "irrx");
 };
-
-#endif
diff --git a/things/DeviceIrTx.h b/things/DeviceIrTx.h
index 2bca4d3..e23a830 100644
--- a/things/DeviceIrTx.h
+++ b/things/DeviceIrTx.h
@@ -1,5 +1,4 @@
-#ifndef DEVICEIRTX_H
-#define DEVICEIRTX_H
+#pragma once
 
 #include "Device.h"
 #include <Homie.h>
@@ -19,5 +18,3 @@ class DeviceIrTx : public Device {
     bool irTxHandler(String message);
     HomieNode irTxNode = HomieNode("irtx", "irtx");
 };
-
-#endif
diff --git a/things/DeviceLdr.h b/things/DeviceLdr.h
index 446f310..14befb4 100644
--- a/things/DeviceLdr.h
+++ b/things/DeviceLdr.h
@@ -1,5 +1,4 @@
-#ifndef DEVICELDR_H
-#define DEVICELDR_H
+#pragma once
 
 #include "Device.h"
 #include <Homie.h>
@@ -19,5 +18,3 @@ class DeviceLdr : public Device {
     int ldr = 0;
     HomieNode ldrNode = HomieNode("ldr", "ldr");
 };
-
-#endif
diff --git a/things/DeviceLed.h b/things/DeviceLed.h
index edb10b5..ca89861 100644
--- a/things/DeviceLed.h
+++ b/things/DeviceLed.h
@@ -1,5 +1,4 @@
-#ifndef DEVICELED_H
-#define DEVICELED_H
+#pragma once
 
 #include "Device.h"
 #include <Homie.h>
@@ -25,5 +24,3 @@ class DeviceLed : public Device {
     bool ledColorHandler(String message);
     HomieNode ledNode{"led", "rgb"};
 };
-
-#endif