diff --git a/scripts/west_commands/runners/linkserver.py b/scripts/west_commands/runners/linkserver.py
index f1a4630dd87..7cf419a705c 100644
--- a/scripts/west_commands/runners/linkserver.py
+++ b/scripts/west_commands/runners/linkserver.py
@@ -90,7 +90,7 @@ class LinkServerBinaryRunner(ZephyrBinaryRunner):
                             {DEFAULT_LINKSERVER_EXE}''')
         # user may need to override settings.
         parser.add_argument('--override', required=False, action='append',
-                            help=f'''configuration overrides as defined bylinkserver. Example: /device/memory/0/location=0xcafecafe''')
+                            help='''configuration overrides as defined bylinkserver. Example: /device/memory/0/location=0xcafecafe''')
 
     @classmethod
     def do_create(cls, cfg, args):
diff --git a/scripts/west_commands/runners/nrfutil.py b/scripts/west_commands/runners/nrfutil.py
index 0f83c78f7d6..165c03f2feb 100644
--- a/scripts/west_commands/runners/nrfutil.py
+++ b/scripts/west_commands/runners/nrfutil.py
@@ -108,7 +108,7 @@ class NrfUtilBinaryRunner(NrfBinaryRunner):
                             indent=4) + '\n'
 
         hex_dir = Path(self.hex_).parent
-        json_file = os.fspath(hex_dir / f'generated_nrfutil_batch.json')
+        json_file = os.fspath(hex_dir / 'generated_nrfutil_batch.json')
 
         with open(json_file, "w") as f:
             f.write(batch)