diff --git a/zapp/__main__.py b/zapp/__main__.py
deleted file mode 100644
index 7a5c708..0000000
--- a/zapp/__main__.py
+++ /dev/null
@@ -1,136 +0,0 @@
-"""
-The Zapp compiler.
-"""
-
-import argparse
-import json
-import os
-import pathlib
-import stat
-import zipfile
-
-parser = argparse.ArgumentParser(description="The (bootstrap) Zapp compiler")
-parser.add_argument("-o", "--out", dest="output", help="Output target file")
-parser.add_argument("-d", "--debug", dest="debug", action="store_true", default=False)
-parser.add_argument("manifest", help="The (JSON) manifest")
-
-
-MAIN_TEMPLATE = """\
-# -*- coding: utf-8 -*-
-
-\"\"\"Zapp-generated __main__\""\"
-
-from importlib import import_module
-# FIXME: This is absolutely implementation details.
-# Execing would be somewhat nicer
-from runpy import _run_module_as_main
-
-for script in {scripts!r}:
-    print(script)
-    mod, sep, fn = script.partition(':')
-    mod_ok = all(part.isidentifier() for part in mod.split('.'))
-    fn_ok = all(part.isidentifier() for part in fn.split('.'))
-
-    if not mod_ok:
-        raise RuntimeError("Invalid module reference {{!r}}".format(mod))
-    if fn and not fn_ok:
-        raise RuntimeError("Invalid function reference {{!r}}".format(fn))
-
-    if mod and fn and False:
-        mod = import_module(mod)
-        getattr(mod, fn)()
-    else:
-        _run_module_as_main(mod)
-"""
-
-
-def make_dunder_main(manifest):
-    """Generate a __main__.py file for the given manifest."""
-
-    prelude = manifest.get("prelude_points", [])
-    main = manifest.get("entry_point")
-    scripts = prelude + [main]
-    return MAIN_TEMPLATE.format(**locals())
-
-
-def dir_walk_prefixes(path):
-    """Helper. Walk all slices of a path."""
-
-    segments = []
-    yield ""
-    for segment in path.split("/"):
-        segments.append(segment)
-        yield os.path.join(*segments)
-
-
-def generate_dunder_inits(manifest):
-    """Hack the manifest to insert __init__ files as needed."""
-
-    sources = manifest["sources"]
-
-    for input_file in list(sources.keys()):
-        for path in dir_walk_prefixes(os.path.dirname(input_file)):
-            init_file = os.path.join(path, "__init__.py")
-            if init_file not in sources:
-                sources[init_file] = ""
-
-    return manifest
-
-
-def generate_manifest(opts, manifest):
-    """Insert the manifest.json file."""
-
-    manifest["sources"]["zapp/manifest.json"] = opts.manifest
-
-    return manifest
-
-
-def main():
-    opts, args = parser.parse_known_args()
-
-    with open(opts.manifest) as fp:
-        manifest = json.load(fp)
-
-    manifest = generate_manifest(opts, manifest)
-    # Patch the manifest to insert needed __init__ files
-    # NOTE: This has to be the LAST thing we do
-    manifest = generate_dunder_inits(manifest)
-
-    if opts.debug:
-        from pprint import pprint
-
-        pprint(
-            {
-                "opts": {
-                    k: getattr(opts, k) for k in dir(opts) if not k.startswith("_")
-                },
-                "manifest": manifest,
-            }
-        )
-
-    with open(opts.output, "w") as zapp:
-        shebang = "#!" + manifest["shebang"] + "\n"
-        zapp.write(shebang)
-
-    # Now we're gonna build the zapp from the manifest
-    with zipfile.ZipFile(opts.output, "a") as zapp:
-
-        # Append the __main__.py generated record
-        zapp.writestr("__main__.py", make_dunder_main(manifest))
-
-        # Append user-specified sources
-        for dest, src in manifest["sources"].items():
-            if src == "":
-                zapp.writestr(dest, "")
-            else:
-                zapp.write(src, dest)
-
-        # Append user-specified libraries
-        # FIXME
-
-    zapp = pathlib.Path(opts.output)
-    zapp.chmod(zapp.stat().st_mode | stat.S_IEXEC)
-
-
-if __name__ == "__main__" or 1:
-    main()