diff --git a/08-interop/test_spec08.py b/08-interop/test_spec08.py
index f5246de..835ade5 100755
--- a/08-interop/test_spec08.py
+++ b/08-interop/test_spec08.py
@@ -1,7 +1,6 @@
 import os
 import re
 import sys
-import subprocess
 
 
 import pexpect.replwrap
@@ -59,15 +58,6 @@ def test_task01(riot_ctrl, log_nodes):
     'nodes', [pytest.param(['nrf52840dk', 'nrf52840dk'])], indirect=['nodes']
 )
 def test_task03(riot_ctrl):
-    # run `./compile_contiki.sh` relative to this file
-    # subprocess.check_call(
-    #     ["./compile_contiki.sh"],
-    #     cwd=os.path.dirname(os.path.realpath(__file__)),
-    # )
-
-    # build_path = "build/nrf52840/dk/hello-world.nrf52840"
-    # flashfile = f"/tmp/contiki-ng/examples/hello-world/{build_path}"
-
     # get the current directory of this file
     current_dir = os.path.dirname(os.path.realpath(__file__))
     contiki_bin_file = os.path.join(current_dir, "task03-contiki-nrf52840.bin")