diff --git a/example/delayed_echo.cpp b/example/delayed_echo.cpp
index db90523..1b700d0 100644
--- a/example/delayed_echo.cpp
+++ b/example/delayed_echo.cpp
@@ -3,15 +3,17 @@
  * is calm for the passed in number of seconds.
  */
 
-#include <array>
-#include <chrono>
-#include <cstdio>
+#include <unistd.h>
+
 #include <sdeventplus/clock.hpp>
 #include <sdeventplus/event.hpp>
 #include <sdeventplus/source/io.hpp>
 #include <sdeventplus/utility/timer.hpp>
+
+#include <array>
+#include <chrono>
+#include <cstdio>
 #include <string>
-#include <unistd.h>
 #include <utility>
 
 using sdeventplus::Clock;
diff --git a/example/follow.cpp b/example/follow.cpp
index 7f72687..0a19eb4 100644
--- a/example/follow.cpp
+++ b/example/follow.cpp
@@ -1,19 +1,21 @@
-#include <cerrno>
-#include <cstdio>
-#include <cstring>
-#include <exception>
 #include <fcntl.h>
-#include <functional>
-#include <sdeventplus/event.hpp>
-#include <sdeventplus/source/event.hpp>
-#include <sdeventplus/source/io.hpp>
-#include <sdeventplus/source/signal.hpp>
 #include <signal.h>
 #include <sys/epoll.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
 
+#include <sdeventplus/event.hpp>
+#include <sdeventplus/source/event.hpp>
+#include <sdeventplus/source/io.hpp>
+#include <sdeventplus/source/signal.hpp>
+
+#include <cerrno>
+#include <cstdio>
+#include <cstring>
+#include <exception>
+#include <functional>
+
 void reader(const char* fifo, sdeventplus::source::IO& source, int fd, uint32_t)
 {
     char buf[4096];
diff --git a/example/heartbeat.cpp b/example/heartbeat.cpp
index 4a1374a..b957339 100644
--- a/example/heartbeat.cpp
+++ b/example/heartbeat.cpp
@@ -1,10 +1,11 @@
-#include <chrono>
-#include <cstdio>
 #include <sdeventplus/clock.hpp>
 #include <sdeventplus/event.hpp>
 #include <sdeventplus/source/signal.hpp>
 #include <sdeventplus/source/time.hpp>
 #include <stdplus/signal.hpp>
+
+#include <chrono>
+#include <cstdio>
 #include <string>
 #include <utility>
 
diff --git a/example/heartbeat_timer.cpp b/example/heartbeat_timer.cpp
index d9203ac..04c0ba8 100644
--- a/example/heartbeat_timer.cpp
+++ b/example/heartbeat_timer.cpp
@@ -3,14 +3,15 @@
  * each timer expiration.
  */
 
-#include <chrono>
-#include <cstdio>
-#include <functional>
 #include <sdeventplus/clock.hpp>
 #include <sdeventplus/event.hpp>
 #include <sdeventplus/source/signal.hpp>
 #include <sdeventplus/utility/timer.hpp>
 #include <stdplus/signal.hpp>
+
+#include <chrono>
+#include <cstdio>
+#include <functional>
 #include <string>
 
 using sdeventplus::Clock;