diff --git a/setup/git_post_checkout_hook.py b/setup/git_post_checkout_hook.py
index 000ab43981..71546b437b 100755
--- a/setup/git_post_checkout_hook.py
+++ b/setup/git_post_checkout_hook.py
@@ -19,19 +19,6 @@ if flags == '1':  # A branch checkout
     prev_branch, cur_branch = list(map(get_branch_name, (prev_rev, current_rev)))
     rebase_in_progress = os.path.exists('.git/rebase-apply') or os.path.exists('.git/rebase-merge')
 
-    if {prev_branch, cur_branch} == {'master', 'qt6'} and not rebase_in_progress:
-        b = 'qt6' if cur_branch == 'qt6' else 'qt5'
-        for x in os.listdir(f'bypy/b/{b}'):
-            link = f'bypy/b/{x}'
-            try:
-                os.remove(link)
-            except FileNotFoundError:
-                pass
-            os.symlink(f'{b}/{x}', link)
-        subprocess.check_call('./setup.py build --clean'.split())
-        subprocess.check_call('./setup.py gui --clean'.split())
-        subprocess.check_call('./setup.py build'.split())
-
     subprocess.check_call('./setup.py gui --summary'.split())
 
     # Remove .pyc files as some of them might have been orphaned