diff --git a/bin/generate.py b/bin/generate.py
index 0460ef023..56db11f7e 100644
--- a/bin/generate.py
+++ b/bin/generate.py
@@ -1566,14 +1566,10 @@ def generate_copies_and_includes(d):
     def remove(self, src):
         if self.trashdir is None:
             self.trashdir = self.problem.tmpdir / secrets.token_hex(4)
-        assert src.is_relative_to(self.problem.path / 'data')
-        dst = self.trashdir / src.relative_to((self.problem.path / 'data'))
+        dst = self.trashdir / src.absolute().relative_to((self.problem.path / 'data').absolute())
         dst.parent.mkdir(parents=True, exist_ok=True)
 
-        def copy(src, dst):
-            shutil.copy2(src, dst, follow_symlinks=False)
-
-        shutil.move(src, dst, copy)
+        shutil.move(src, dst)
 
     def _remove_unknown(self, path, bar, silent=False):
         local = path.relative_to(self.problem.path / 'data')