diff --git a/tests/test_amixer.py b/tests/test_amixer.py
index 24bcff3c..b5eb0937 100644
--- a/tests/test_amixer.py
+++ b/tests/test_amixer.py
@@ -32,20 +32,20 @@ class AmixerTests(unittest.TestCase):
         for file_out, file_json, file_processed_json in zip(self.test_files_out, self.test_files_json,
                                                             self.test_files_processed_json):
             with open(file_out, 'r') as f:
-                amixer_sget_raw_output: str = f.read()
+                amixer_sget_raw_output = f.read()
             with open(file_json, 'r') as f:
-                expected_amixer_sget_json_output: str = f.read()
-                expected_amixer_sget_json_map: dict = json.loads(expected_amixer_sget_json_output)
+                expected_amixer_sget_json_output = f.read()
+                expected_amixer_sget_json_map = json.loads(expected_amixer_sget_json_output)
             with open(file_processed_json, 'r') as f:
-                expected_amixer_sget_processed_json_output: str = f.read()
-                expected_amixer_sget_processed_json_map: dict = json.loads(expected_amixer_sget_processed_json_output)
+                expected_amixer_sget_processed_json_output = f.read()
+                expected_amixer_sget_processed_json_map = json.loads(expected_amixer_sget_processed_json_output)
 
             # Tests for raw=True
-            amixer_sget_json_map: dict = jc.parse(self.AMIXER_CMD, amixer_sget_raw_output, raw=True,
+            amixer_sget_json_map = jc.parse(self.AMIXER_CMD, amixer_sget_raw_output, raw=True,
                                                   quiet=True)
             self.assertEqual(amixer_sget_json_map, expected_amixer_sget_json_map)
             # Tests for raw=False process
-            amixer_sget_json_processed_map: dict = jc.parse(self.AMIXER_CMD, amixer_sget_raw_output, raw=False,
+            amixer_sget_json_processed_map = jc.parse(self.AMIXER_CMD, amixer_sget_raw_output, raw=False,
                                                             quiet=True)
             self.assertEqual(amixer_sget_json_processed_map, expected_amixer_sget_processed_json_map)