diff --git a/kitty/main.py b/kitty/main.py
index f8817f494..da25a1035 100644
--- a/kitty/main.py
+++ b/kitty/main.py
@@ -222,12 +222,12 @@ def _main():
     except Exception:
         if not is_macos:
             raise
-        print('Failed to set locale with LANG:', os.environ.get('LANG'), file=sys.stderr)
-        os.environ.pop('LANG')
+        log_error('Failed to set locale with LANG:', os.environ.get('LANG'))
+        os.environ.pop('LANG', None)
         try:
             locale.setlocale(locale.LC_ALL, '')
         except Exception:
-            print('Failed to set locale with no LANG, ignoring', file=sys.stderr)
+            log_error('Failed to set locale with no LANG, ignoring')
 
     # Ensure kitty is in PATH
     rpath = os.path.dirname(kitty_exe())
diff --git a/setup.py b/setup.py
index 7a8cf7ccc..a05c25396 100755
--- a/setup.py
+++ b/setup.py
@@ -658,9 +658,7 @@ Categories=System;TerminalEmulator;
             NSHighResolutionCapable=True,
             NSSupportsAutomaticGraphicsSwitching=True,
             LSApplicationCategoryType='public.app-category.utilities',
-            # Ensure I/O encoding is always utf-8, see
-            # https://github.com/kovidgoyal/kitty/issues/724
-            LSEnvironment={'KITTY_LAUNCHED_BY_LAUNCH_SERVICES': '1', 'PYTHONIOENCODING': 'utf-8'},
+            LSEnvironment={'KITTY_LAUNCHED_BY_LAUNCH_SERVICES': '1'},
         )
         plistlib.writePlist(pl, 'Info.plist')
         os.rename('../share', 'Resources')