diff --git a/tools/harness-automation/cases/ed_9_2_10.py b/tools/harness-automation/cases/med_9_2_10.py
similarity index 96%
rename from tools/harness-automation/cases/ed_9_2_10.py
rename to tools/harness-automation/cases/med_9_2_10.py
index 81fc5547a..70f8c6da1 100644
--- a/tools/harness-automation/cases/ed_9_2_10.py
+++ b/tools/harness-automation/cases/med_9_2_10.py
@@ -32,8 +32,8 @@ import unittest
 
 from autothreadharness.harness_case import HarnessCase
 
-class ED_9_2_10(HarnessCase):
-    role = HarnessCase.ROLE_ED
+class MED_9_2_10(HarnessCase):
+    role = HarnessCase.ROLE_MED
     case = '9 2 10'
     golden_devices_required = 4
     def on_dialog(self, dialog, title):
diff --git a/tools/harness-automation/cases/ed_9_2_18.py b/tools/harness-automation/cases/med_9_2_18.py
similarity index 96%
rename from tools/harness-automation/cases/ed_9_2_18.py
rename to tools/harness-automation/cases/med_9_2_18.py
index bae884ff7..a8f6cba0a 100644
--- a/tools/harness-automation/cases/ed_9_2_18.py
+++ b/tools/harness-automation/cases/med_9_2_18.py
@@ -32,8 +32,8 @@ import unittest
 
 from autothreadharness.harness_case import HarnessCase
 
-class ED_9_2_18(HarnessCase):
-    role = HarnessCase.ROLE_ED
+class MED_9_2_18(HarnessCase):
+    role = HarnessCase.ROLE_MED
     case = '9 2 18'
     golden_devices_required = 5
     def on_dialog(self, dialog, title):
diff --git a/tools/harness-automation/cases/ed_9_2_6.py b/tools/harness-automation/cases/med_9_2_6.py
similarity index 96%
rename from tools/harness-automation/cases/ed_9_2_6.py
rename to tools/harness-automation/cases/med_9_2_6.py
index 204fea280..6822115a6 100644
--- a/tools/harness-automation/cases/ed_9_2_6.py
+++ b/tools/harness-automation/cases/med_9_2_6.py
@@ -32,8 +32,8 @@ import unittest
 
 from autothreadharness.harness_case import HarnessCase
 
-class ED_9_2_6(HarnessCase):
-    role = HarnessCase.ROLE_ED
+class MED_9_2_6(HarnessCase):
+    role = HarnessCase.ROLE_MED
     case = '9 2 6'
     golden_devices_required = 4
     def on_dialog(self, dialog, title):