diff --git a/server/render.c b/server/render.c
index 72fd8f8..4706b8f 100644
--- a/server/render.c
+++ b/server/render.c
@@ -40,11 +40,9 @@
 #include "render.h"
 
 int heartbeat = HEARTBEAT_OPEN;
-int heartbeat_fallback = HEARTBEAT_ON; /* If no heartbeat setting has been set at all */
+static int heartbeat_fallback = HEARTBEAT_ON; /* If no heartbeat setting has been set at all */
 int backlight = BACKLIGHT_OPEN;
-int backlight_fallback = BACKLIGHT_ON; /* If no backlight setting has been set at all */
-int backlight_brightness = 255;
-int backlight_off_brightness = 0;
+static int backlight_fallback = BACKLIGHT_ON; /* If no backlight setting has been set at all */
 int output_state = 0;
 char * server_msg_text;
 int server_msg_expire = 0;
diff --git a/server/render.h b/server/render.h
index a756fa9..901ed5b 100644
--- a/server/render.h
+++ b/server/render.h
@@ -32,8 +32,6 @@
 
 extern int heartbeat;
 extern int backlight;
-extern int backlight_brightness;
-extern int backlight_off_brightness;
 extern int output_state;
 
 int render_screen (Screen * s, long int timer);