diff --git a/config.json b/config.json
index a0c36a7..cd8f8fa 100644
--- a/config.json
+++ b/config.json
@@ -3,6 +3,5 @@
   "brightness": 200,
   "gpio": 18,
   "type": "grb",
-  "fade_ticks": 25,
-  "sleep_time": 100
+  "fade_ticks": 25
 }
\ No newline at end of file
diff --git a/lights.js b/lights.js
index c610ccf..1465b54 100644
--- a/lights.js
+++ b/lights.js
@@ -54,7 +54,7 @@ export function tick() {
     tick_pattern();
   }
   ws281x.render(pixels);
-  ws281x.sleep(cfg.sleep_time || 500);
+  ws281x.sleep(500);
 }
 
 function fade(index) {