diff --git a/sky/tools/create_full_ios_framework.py b/sky/tools/create_full_ios_framework.py
index 5166bb5099c6d..7c1ae0f0a9f4e 100644
--- a/sky/tools/create_full_ios_framework.py
+++ b/sky/tools/create_full_ios_framework.py
@@ -243,7 +243,7 @@ def _generate_gen_snapshot(gen_snapshot_path, destination):
     print('Cannot find gen_snapshot at %s' % gen_snapshot_path)
     sys.exit(1)
 
-  shutil.copyfile(gen_snapshot_path, destination)
+  subprocess.check_call(['xcrun', 'bitcode_strip', '-r', gen_snapshot_path, '-o', destination])
 
 
 if __name__ == '__main__':
diff --git a/sky/tools/create_macos_gen_snapshots.py b/sky/tools/create_macos_gen_snapshots.py
index 165ab28072aa2..eae0f70aac693 100755
--- a/sky/tools/create_macos_gen_snapshots.py
+++ b/sky/tools/create_macos_gen_snapshots.py
@@ -5,7 +5,6 @@
 # found in the LICENSE file.
 
 import argparse
-import shutil
 import subprocess
 import sys
 import os
@@ -70,7 +69,7 @@ def generate_gen_snapshot(gen_snapshot_path, destination):
     print('Cannot find gen_snapshot at %s' % gen_snapshot_path)
     sys.exit(1)
 
-  shutil.copyfile(gen_snapshot_path, destination)
+  subprocess.check_call(['xcrun', 'bitcode_strip', '-r', gen_snapshot_path, '-o', destination])
 
 
 if __name__ == '__main__':