diff --git a/dzgui/config/convert.py b/dzgui/config/convert.py
index 60571a6..c4c886e 100644
--- a/dzgui/config/convert.py
+++ b/dzgui/config/convert.py
@@ -36,8 +36,8 @@ def rc2json(file: Path) -> str:
     d = {}
     ips: list[str] = []
 
-    toggles = ["auto_install", "debug", "fullscreen"]
-    deprecated = ["staging_dir", "src_path", "steam_path"]
+    toggles = ["auto_install", "fullscreen"]
+    deprecated = ["staging_dir", "src_path", "steam_path", "debug", "branch"]
 
     while True:
         tok = lex.get_token()
diff --git a/dzgui/util/strings.py b/dzgui/util/strings.py
index 5f5956b..afe6c9f 100644
--- a/dzgui/util/strings.py
+++ b/dzgui/util/strings.py
@@ -161,8 +161,6 @@ label_main_menu = "Main menu"
 
 # buttons
 ping_servers = "Ping servers"
-debug_mode = "Debug mode"
-debug_tooltip = "Used to perform a dry run without\n" "actually connecting to a server"
 ping_tooltip = (
     "Refresh the ping for visible servers.\n" "Available once per unique filter context"
 )
diff --git a/tests/test_config.py b/tests/test_config.py
index a1c1a7a..0cdcb80 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -8,27 +8,29 @@ from tests.fixtures import fixture_path
 
 pytestmark = pytest.mark.config
 
+
 @pytest.fixture
 def legacy_config():
     return fixture_path("dztuirc_one")
 
+
 @pytest.fixture
 def keys():
     return [
-            "bm_api",
-            "fav_server",
-            "fav_label",
-            "name",
-            "debug",
-            "branch",
-            "fullscreen",
-            "steam_api",
-            "auto_install",
-            "default_steam_path",
-            "client",
-            "ip_list",
-            "use_miles"
-        ]
+        "bm_api",
+        "fav_server",
+        "fav_label",
+        "name",
+        "branch",
+        "fullscreen",
+        "steam_api",
+        "auto_install",
+        "default_steam_path",
+        "client",
+        "ip_list",
+        "use_miles",
+    ]
+
 
 @pytest.fixture
 def config():
@@ -55,16 +57,18 @@ def test_contains_invalid_values(keys, config):
         assert key in keys
 
 
-@pytest.mark.parametrize("fixture, expect", [
-    ("dztuirc_one", (False, True, True)),
-    ("dztuirc_two", (False, False, False)),
-])
+@pytest.mark.parametrize(
+    "fixture, expect",
+    [
+        ("dztuirc_one", (False, True, True)),
+        ("dztuirc_two", (False, False, False)),
+    ],
+)
 def test_bool_conversion(fixture, expect):
     fixture = fixture_path(fixture)
     j = convert.rc2json(fixture)
     j = json.loads(j)
     assert j["fullscreen"] == expect[0]
-    assert j["debug"] == expect[1]
     assert j["auto_install"] == expect[2]
     assert not j["use_miles"]
 
@@ -72,8 +76,16 @@ def test_bool_conversion(fixture, expect):
 def test_key_conversion(legacy_config):
     j = convert.rc2json(legacy_config)
     j = json.loads(j)
-    keys = ["api_key", "staging_dir", "src_path", "steam_path", "preferred_client"]
+    keys = [
+        "api_key",
+        "staging_dir",
+        "src_path",
+        "steam_path",
+        "preferred_client",
+        "debug",
+    ]
     for key in keys:
         assert key not in j
 
+
 # TODO: test that when a config file is created from scratch, it contains all values