diff --git a/ryu/tests/unit/ofproto/test_parser.py b/ryu/tests/unit/ofproto/test_parser.py
index 94938e87..c3230eea 100644
--- a/ryu/tests/unit/ofproto/test_parser.py
+++ b/ryu/tests/unit/ofproto/test_parser.py
@@ -40,8 +40,6 @@ implemented = {
         ofproto_v1_0.OFPT_FLOW_MOD: (False, True),
     },
     3: {
-        ofproto_v1_2.OFPT_ERROR: (True, False),  # OFPET_EXPERIMENTER lacks
-                                                 # serializer
         ofproto_v1_2.OFPT_EXPERIMENTER: (True, False),
         ofproto_v1_2.OFPT_FEATURES_REQUEST: (False, True),
         ofproto_v1_2.OFPT_FEATURES_REPLY: (True, False),