diff --git a/mopidy_raspberry_gpio/__init__.py b/mopidy_raspberry_gpio/__init__.py
index 2187c7f..f449cb7 100644
--- a/mopidy_raspberry_gpio/__init__.py
+++ b/mopidy_raspberry_gpio/__init__.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import logging
 import os
 
@@ -24,9 +22,9 @@ class Extension(ext.Extension):
         return config.read(conf_file)
 
     def get_config_schema(self):
-        schema = super(Extension, self).get_config_schema()
+        schema = super().get_config_schema()
         for pin in range(28):
-            schema["bcm{:d}".format(pin)] = PinConfig()
+            schema[f"bcm{pin:d}"] = PinConfig()
         return schema
 
     def setup(self, registry):
diff --git a/mopidy_raspberry_gpio/frontend.py b/mopidy_raspberry_gpio/frontend.py
index 829f0b7..2be9e50 100644
--- a/mopidy_raspberry_gpio/frontend.py
+++ b/mopidy_raspberry_gpio/frontend.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import logging
 
 from mopidy import core
@@ -12,7 +10,7 @@ logger = logging.getLogger(__name__)
 
 class RaspberryGPIOFrontend(pykka.ThreadingActor, core.CoreListener):
     def __init__(self, config, core):
-        super(RaspberryGPIOFrontend, self).__init__()
+        super().__init__()
         import RPi.GPIO as GPIO
         self.core = core
         self.config = config["raspberry-gpio"]
@@ -54,12 +52,12 @@ class RaspberryGPIOFrontend(pykka.ThreadingActor, core.CoreListener):
         self.dispatch_input(settings.event)
 
     def dispatch_input(self, event):
-        handler_name = "handle_{}".format(event)
+        handler_name = f"handle_{event}"
         try:
             getattr(self, handler_name)()
         except AttributeError:
             raise RuntimeError(
-                "Could not find input handler for event: {}".format(event)
+                f"Could not find input handler for event: {event}"
             )
 
     def handle_play_pause(self):
diff --git a/mopidy_raspberry_gpio/pinconfig.py b/mopidy_raspberry_gpio/pinconfig.py
index e8a8942..9e59ebc 100644
--- a/mopidy_raspberry_gpio/pinconfig.py
+++ b/mopidy_raspberry_gpio/pinconfig.py
@@ -43,7 +43,7 @@ class PinConfig(config.ConfigValue):
             bouncetime = int(bouncetime)
         except ValueError:
             raise ValueError(
-                "invalid bouncetime value for pin config {}".format(bouncetime)
+                f"invalid bouncetime value for pin config {bouncetime}"
             )
 
         return self.tuple_pinconfig(event, active, bouncetime)
diff --git a/tests/test_config.py b/tests/test_config.py
index c363999..467a8c7 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import pytest
 
 from mopidy_raspberry_gpio import Extension, PinConfig
diff --git a/tests/test_frontend.py b/tests/test_frontend.py
index 60105b8..f3a1f3f 100644
--- a/tests/test_frontend.py
+++ b/tests/test_frontend.py
@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import sys
 
 import mock