diff --git a/setup.py b/setup.py
index 11a68f16..87a50631 100755
--- a/setup.py
+++ b/setup.py
@@ -197,9 +197,6 @@ def _download_and_extract(self, filename: str) -> pathlib.Path:
         source_url = "http://download.openzim.org/release/libzim"
         if self.is_nightly:
             source_url = f"http://download.openzim.org/nightly/{self.libzim_dl_version}"
-        # temp hack
-        if self.arch == "aarch64" and self.platform == "Linux" and not self.is_musl:
-            source_url = "http://tmp.kiwix.org/ci"
         url = f"{source_url}/{fpath.name}"
 
         # download a local copy if none present
@@ -260,7 +257,7 @@ def _install_from(self, folder: pathlib.Path):
                 )
 
     def cleanup(self):
-        """ removes created files to prevent re-run issues"""
+        """removes created files to prevent re-run issues"""
         # we downloaded libzim, so we must remove it
         if self.download_libzim:
             print("removing downloaded libraries")
@@ -271,7 +268,6 @@ def cleanup(self):
                 print("removing downloaded headers")
                 shutil.rmtree(self.header_file.parent, ignore_errors=True)
 
-
     @property
     def header_file(self) -> pathlib.Path:
         return self.base_dir / "include" / "zim" / "zim.h"