diff --git a/unit_tests/test_deliberation_lib.py b/unit_tests/test_deliberation_lib.py
index eeb36a985b0021139c11693ed1473c88b85cf0cb..bd3b55a3d305ebbbe34f62fc65d72b8397675e23 100644
--- a/unit_tests/test_deliberation_lib.py
+++ b/unit_tests/test_deliberation_lib.py
@@ -172,7 +172,7 @@ def test_fill_dict_part_1(
 
     os.remove("test_direction_file_unchanged.csv")
     os.remove("test_direction_file_2.csv")
-    os.remove(f"{"app/tmp_files/"}test_direction_file_2.csv")
+    os.remove("app/tmp_files/test_direction_file_2.csv")
 
 
 @patch('builtins.str')
diff --git a/unit_tests/test_user_controller.py b/unit_tests/test_user_controller.py
index 8d384bbb306d800dd0fcf57115561eb42023c039..705e02e3f595b0a9c83f3a3edd3f218789ecbbd5 100644
--- a/unit_tests/test_user_controller.py
+++ b/unit_tests/test_user_controller.py
@@ -187,8 +187,8 @@ async def test_convert_img_to_webp_valid(
 
                     assert result == {"message": "Image uploaded"}
                     mock_system.assert_called_with(
-                        f"{"app/tmp_files/"}test.png")
-                    remove(f"{"app/tmp_files/"}test.png")
+                        "app/tmp_files/test.png")
+                    remove("app/tmp_files/test.png")
 
 
 @pytest.mark.asyncio
@@ -218,8 +218,8 @@ async def test_convert_img_already_webp_valid(
                     "user_id"
                 )
                 assert result == {"message": "Image uploaded"}
-                mock_system.assert_called_with(f"{"app/tmp_files/"}test.png")
-                remove(f"{"app/tmp_files/"}test.png")
+                mock_system.assert_called_with("app/tmp_files/test.png")
+                remove("app/tmp_files/test.png")
 
 
 @pytest.mark.asyncio
@@ -249,8 +249,8 @@ async def test_convert_img_already_webp_valid_2(
                     "user_id"
                 )
                 assert result == {"message": "Image uploaded"}
-                mock_system.assert_called_with(f"{"app/tmp_files/"}test.webp")
-                remove(f"{"app/tmp_files/"}test.webp")
+                mock_system.assert_called_with("app/tmp_files/test.webp")
+                remove("app/tmp_files/test.webp")
 
 
 @pytest.mark.asyncio