diff --git a/buildozer/targets/android.py b/buildozer/targets/android.py
index b03f51a..6367649 100644
--- a/buildozer/targets/android.py
+++ b/buildozer/targets/android.py
@@ -374,13 +374,10 @@ class TargetAndroid(Target):
         self.buildozer.info('Android SDK is missing, downloading')
         if platform in ('win32', 'cygwin'):
             archive = 'sdk-tools-windows-{}.zip'.format(DEFAULT_SDK_TAG)
-            unpacked = 'android-sdk-windows'
         elif platform in ('darwin', ):
             archive = 'sdk-tools-darwin-{}.zip'.format(DEFAULT_SDK_TAG)
-            unpacked = 'android-sdk-macosx'
         elif platform.startswith('linux'):
             archive = 'sdk-tools-linux-{}.zip'.format(DEFAULT_SDK_TAG)
-            unpacked = 'android-sdk-linux'
         else:
             raise SystemError('Unsupported platform: {0}'.format(platform))
 
@@ -784,7 +781,6 @@ class TargetAndroid(Target):
         if local_recipes:
             options.append('--local-recipes')
             options.append(local_recipes)
-        config = self.buildozer.config
         self._p4a(
             ("create --dist_name={} --bootstrap={} --requirements={} "
              "--arch {} {}").format(
@@ -811,7 +807,6 @@ class TargetAndroid(Target):
         old_dist_dir = join(self._build_dir, 'dists', dist_name)
         if exists(old_dist_dir):
             return old_dist_dir
-        matching_dirs = glob.glob(join(self._build_dir, 'dist', '{}*'.format(dist_name)))
 
         # If no directory has been found yet, our dist probably
         # doesn't exist yet, so use the expected name
diff --git a/buildozer/targets/osx.py b/buildozer/targets/osx.py
index 45c1586..6b60e60 100644
--- a/buildozer/targets/osx.py
+++ b/buildozer/targets/osx.py
@@ -114,7 +114,6 @@ class TargetOSX(Target):
 
         bc = self.buildozer.config
         bcg = bc.get
-        bcgl = bc.getlist
         package_name = bcg('app', 'package.name')
         domain = bcg('app', 'package.domain')
         title = bcg('app', 'title')
diff --git a/tests/targets/test_android.py b/tests/targets/test_android.py
index 10c6768..4e8be37 100644
--- a/tests/targets/test_android.py
+++ b/tests/targets/test_android.py
@@ -88,7 +88,7 @@ class TestTargetAndroid:
     def test_init_positional_buildozer(self):
         """Positional `buildozer` argument is required."""
         with pytest.raises(TypeError) as ex_info:
-            target_android = TargetAndroid()
+            TargetAndroid()
         assert ex_info.value.args == (
             "__init__() missing 1 required positional argument: 'buildozer'",
         )
diff --git a/tests/test_buildozer.py b/tests/test_buildozer.py
index eeff341..3137a22 100644
--- a/tests/test_buildozer.py
+++ b/tests/test_buildozer.py
@@ -48,8 +48,8 @@ class TestBuildozer(unittest.TestCase):
         """
         with open(filepath) as f:
             file_content = f.read()
+        file_content = re.sub(pattern, replace, file_content)
         with open(filepath, 'w') as f:
-            file_content = re.sub(pattern, replace, file_content)
             f.write(file_content)
 
     @classmethod
@@ -61,6 +61,7 @@ class TestBuildozer(unittest.TestCase):
         replace = 'log_level = {}'.format(log_level)
         cls.file_re_sub(specfilename, pattern, replace)
         buildozer = Buildozer(specfilename)
+        assert buildozer.log_level == log_level
 
     def test_buildozer_base(self):
         """
@@ -155,15 +156,17 @@ class TestBuildozer(unittest.TestCase):
 
         # Mock first run
         with mock.patch('buildozer.Buildozer.download') as download, \
-                mock.patch('buildozer.Buildozer.file_extract') as extract_file, \
+                mock.patch('buildozer.Buildozer.file_extract') as m_file_extract, \
                 mock.patch('os.makedirs'):
             ant_path = target._install_apache_ant()
-            assert ant_path == my_ant_path
-
+        assert m_file_extract.call_args_list == [mock.call(mock.ANY, cwd='/my/ant/path')]
+        assert ant_path == my_ant_path
+        assert download.call_args_list == [
+            mock.call("http://archive.apache.org/dist/ant/binaries/", mock.ANY, cwd=my_ant_path)]
         # Mock ant already installed
         with mock.patch.object(Buildozer, 'file_exists', return_value=True):
             ant_path = target._install_apache_ant()
-            assert ant_path == my_ant_path
+        assert ant_path == my_ant_path
 
     def test_cmd_unicode_decode(self):
         """
diff --git a/tox.ini b/tox.ini
index e112d6e..a63f874 100644
--- a/tox.ini
+++ b/tox.ini
@@ -38,7 +38,6 @@ ignore =
     E731, # do not assign a lambda expression, use a def
     F401, # imported but unused
     F821, # undefined name
-    F841, # local variable is assigned to but never used
     W503, # line break before binary operator
     W504, # line break after binary operator
     W605  # invalid escape sequence