diff --git a/epyqlib/builduiepyqlib.py b/epyqlib/builduiepyqlib.py
index 5e6cf10f..9607df9f 100644
--- a/epyqlib/builduiepyqlib.py
+++ b/epyqlib/builduiepyqlib.py
@@ -1,9 +1,72 @@
-import alqtendpy.compileui
+# import alqtendpy.compileui
+import io
 import pathlib
 
+import PyQt5.uic
+
+
+def _do_nothing(*args, **kwargs):
+    pass
+
+
+def compile_ui(
+    file_paths=(),
+    directory_paths=(),
+    extension=".ui",
+    suffix="_ui",
+    encoding="utf-8",
+    output=_do_nothing,
+    qtpy=False,
+):
+    paths = collect_paths(
+        file_paths=file_paths,
+        directory_paths=directory_paths,
+        extension=extension,
+    )
+
+    compile_paths(
+        ui_paths=paths,
+        suffix=suffix,
+        encoding=encoding,
+        output=output,
+        qtpy=qtpy,
+    )
+
+
+def collect_paths(file_paths=(), directory_paths=(), extension=".ui"):
+    file_paths = [pathlib.Path(path) for path in file_paths]
+
+    for directory in directory_paths:
+        path = pathlib.Path(directory)
+        found_paths = path.rglob("*" + extension)
+        file_paths.extend(found_paths)
+
+    return file_paths
+
+
+def compile_paths(
+    ui_paths,
+    suffix="_ui",
+    encoding="utf-8",
+    output=_do_nothing,
+    qtpy=False,
+):
+    for path in ui_paths:
+        in_path = path
+        out_path = path.with_name(f"{path.stem}{suffix}.py")
+
+        output(f"Converting: {in_path} -> {out_path}")
+        intermediate = io.StringIO()
+        PyQt5.uic.compileUi(in_path, intermediate)
+        intermediate = intermediate.getvalue()
+        if qtpy:
+            intermediate = intermediate.replace("PyQt5", "qtpy")
+        with open(out_path, "w", encoding=encoding) as out_file:
+            out_file.write(intermediate)
+
 
 def compile_ui():
     print("epyqlib::compile_ui building UI in epyqlib")
-    alqtendpy.compileui.compile_ui(
+    compile_ui(
         directory_paths=[pathlib.Path(__file__).parent],
     )