diff --git a/examples/gateway.lwm2m.conf.example b/examples/gateway.lwm2m.conf.example
index 27ce58615..2803f24ef 100644
--- a/examples/gateway.lwm2m.conf.example
+++ b/examples/gateway.lwm2m.conf.example
@@ -34,4 +34,4 @@ gateway.lwm2m {
     }
     update_msg_publish_condition = always
     xml_dir = "/etc/emqx/lwm2m_xml"
-}
\ No newline at end of file
+}
diff --git a/examples/plugin.conf.example b/examples/plugin.conf.example
index b82f8e0db..d704f9981 100644
--- a/examples/plugin.conf.example
+++ b/examples/plugin.conf.example
@@ -24,4 +24,4 @@ plugin {
 
     ## The installation directory for the external plugins
     install_dir = "plugins"
-}
\ No newline at end of file
+}
diff --git a/examples/prometheus.conf.example b/examples/prometheus.conf.example
index 274612c5d..c6df97f2b 100644
--- a/examples/prometheus.conf.example
+++ b/examples/prometheus.conf.example
@@ -25,4 +25,4 @@ prometheus {
 
     ## set true to enable this
     enable = false
-}
\ No newline at end of file
+}
diff --git a/examples/rpc-with-ssl.conf.example b/examples/rpc-with-ssl.conf.example
index 89086d887..89695d748 100644
--- a/examples/rpc-with-ssl.conf.example
+++ b/examples/rpc-with-ssl.conf.example
@@ -73,4 +73,4 @@ rpc {
 
     ## Socket buffer size in user mode
     socket_buffer = 1MB
- }
\ No newline at end of file
+}
diff --git a/examples/rpc-with-tcp.conf.example b/examples/rpc-with-tcp.conf.example
index 38bf46c60..26de872e5 100644
--- a/examples/rpc-with-tcp.conf.example
+++ b/examples/rpc-with-tcp.conf.example
@@ -64,4 +64,4 @@ rpc {
 
     ## Socket buffer size in user mode
     socket_buffer = 1MB
- }
\ No newline at end of file
+}
diff --git a/examples/slow_subs.conf.example b/examples/slow_subs.conf.example
index 547076e81..8409cf466 100644
--- a/examples/slow_subs.conf.example
+++ b/examples/slow_subs.conf.example
@@ -25,4 +25,4 @@ slow_subs {
 
     ## use true to enable this
     enable = false
-}
\ No newline at end of file
+}