diff --git a/test/test-network/systemd-networkd-tests.py b/test/test-network/systemd-networkd-tests.py
index 6cc09235c6..97488243ff 100755
--- a/test/test-network/systemd-networkd-tests.py
+++ b/test/test-network/systemd-networkd-tests.py
@@ -149,6 +149,7 @@ def expectedFailureIfAlternativeNameIsNotAvailable():
     def f(func):
         call('ip link add dummy98 type dummy', stderr=subprocess.DEVNULL)
         rc = call('ip link prop add dev dummy98 altname hogehogehogehogehoge', stderr=subprocess.DEVNULL)
+        call('ip link del dummy98', stderr=subprocess.DEVNULL)
         if rc == 0:
             return func
         else: