diff --git a/lib/youseedee/__init__.py b/lib/youseedee/__init__.py
index 5e73ef8..2cdbdd0 100644
--- a/lib/youseedee/__init__.py
+++ b/lib/youseedee/__init__.py
@@ -38,19 +38,12 @@ UCD_URL = "https://unicode.org/Public/UCD/latest/ucd/UCD.zip"
 
 def ucd_dir():
     """Return the directory where Unicode data is stored"""
-    return Path(platformdirs.user_cache_dir("youseedee", ensure_exists=True))
+    return Path("@ucd_dir@")
 
 
 def ensure_files():
     """Ensure the Unicode data files are downloaded and up to date, and download them if not"""
-    file_lock = FileLock(ucd_dir() / ".youseedee_ensure_files.lock")
-    with file_lock:
-        if not (ucd_dir() / "UnicodeData.txt").is_file():
-            _download_files()
-        if not _up_to_date():
-            # Remove the zip if it exists
-            (ucd_dir() / "UCD.zip").unlink(missing_ok=True)
-            _download_files()
+    return
 
 
 def _up_to_date():