diff --git a/software/src/main.py b/software/src/main.py
index 976a318..813b036 100644
--- a/software/src/main.py
+++ b/software/src/main.py
@@ -9,9 +9,7 @@ import micropython
 import network
 import os
 import time
-from math import pi, sin, pow
 import ubinascii
-from microdot import Microdot
 
 # Own modules
 import app
diff --git a/software/src/webserver.py b/software/src/webserver.py
index b7e0d7b..eeb2a95 100644
--- a/software/src/webserver.py
+++ b/software/src/webserver.py
@@ -10,9 +10,12 @@ from microdot import Microdot
 webapp = Microdot()
 server = None
 
+
 def start_webserver():
+    global server
     server = asyncio.create_task(webapp.start_server(port=80))
 
+
 @webapp.route('/')
 async def index(request):
     print("wohoo, a guest :)")