diff --git a/tools/otagui/ota_interface.py b/tools/otagui/ota_interface.py
index eba960939..127c1a73f 100644
--- a/tools/otagui/ota_interface.py
+++ b/tools/otagui/ota_interface.py
@@ -252,9 +252,6 @@ class ProcessesManagement:
                 '--' + ' --'.join(args['extra_keys']) + ' ' + args['extra']
         if args['extra']:
             command += args['extra'].strip().split(' ')
-        command.append('-k')
-        command.append(
-            'build/make/target/product/security/testkey')
         if args['isIncremental']:
             if not os.path.isfile(args['incremental']):
                 raise FileNotFoundError