diff --git a/include/jbus/Common.hpp b/include/jbus/Common.hpp
index e3db8bb..9c3de8d 100644
--- a/include/jbus/Common.hpp
+++ b/include/jbus/Common.hpp
@@ -1,5 +1,4 @@
-#ifndef JBUS_COMMON_HPP
-#define JBUS_COMMON_HPP
+#pragma once
 
 #include <functional>
 #include <cstdint>
@@ -185,4 +184,3 @@ void Initialize();
 
 }
 
-#endif // JBUS_COMMON_HPP
diff --git a/include/jbus/Endpoint.hpp b/include/jbus/Endpoint.hpp
index 2d18e34..43c7d62 100644
--- a/include/jbus/Endpoint.hpp
+++ b/include/jbus/Endpoint.hpp
@@ -1,5 +1,4 @@
-#ifndef JBUS_ENDPOINT_HPP
-#define JBUS_ENDPOINT_HPP
+#pragma once
 
 #include "Common.hpp"
 #include "Socket.hpp"
@@ -281,4 +280,3 @@ public:
 
 }
 
-#endif // JBUS_ENDPOINT_HPP
diff --git a/include/jbus/Listener.hpp b/include/jbus/Listener.hpp
index 027a13c..d1de3d2 100644
--- a/include/jbus/Listener.hpp
+++ b/include/jbus/Listener.hpp
@@ -1,5 +1,4 @@
-#ifndef JBUS_LISTENER_HPP
-#define JBUS_LISTENER_HPP
+#pragma once
 
 #include "Common.hpp"
 #include "Socket.hpp"
@@ -41,4 +40,3 @@ public:
 
 }
 
-#endif // JBUS_LISTENER_HPP
diff --git a/include/jbus/Socket.hpp b/include/jbus/Socket.hpp
index f6b755e..57d3146 100644
--- a/include/jbus/Socket.hpp
+++ b/include/jbus/Socket.hpp
@@ -1,5 +1,4 @@
-#ifndef JBUS_SOCKET_HPP
-#define JBUS_SOCKET_HPP
+#pragma once
 
 #include <sys/types.h>
 #include <fcntl.h>
@@ -101,4 +100,3 @@ public:
 
 }
 
-#endif // ATHENA_SOCKET_HPP