diff --git a/docs/content/Tasks.md b/docs/content/Tasks.md
index bef39d2a214..05e21b6f13b 100644
--- a/docs/content/Tasks.md
+++ b/docs/content/Tasks.md
@@ -230,9 +230,6 @@ The indexing service can also run real-time tasks. These tasks effectively trans
           "auto.commit.enable": "false"
         },
         "feed": "your_kafka_topic"
-      },
-      "plumber": {
-        "type": "realtime"
       }
     },
     "tuningConfig": {
diff --git a/examples/bin/examples/indexing/wikipedia_kafka_realtime_task.json b/examples/bin/examples/indexing/wikipedia_kafka_realtime_task.json
index 32503c2967b..9e95d17a564 100644
--- a/examples/bin/examples/indexing/wikipedia_kafka_realtime_task.json
+++ b/examples/bin/examples/indexing/wikipedia_kafka_realtime_task.json
@@ -73,9 +73,6 @@
           "auto.commit.enable": "false"
         },
         "feed": "wikipedia"
-      },
-      "plumber": {
-        "type": "realtime"
       }
     },
     "tuningConfig": {
diff --git a/examples/bin/examples/indexing/wikipedia_realtime_task.json b/examples/bin/examples/indexing/wikipedia_realtime_task.json
index 8f78341839e..18d076d59c6 100644
--- a/examples/bin/examples/indexing/wikipedia_realtime_task.json
+++ b/examples/bin/examples/indexing/wikipedia_realtime_task.json
@@ -94,9 +94,6 @@
           "#de.wikipedia",
           "#ja.wikipedia"
         ]
-      },
-      "plumber": {
-        "type": "realtime"
       }
     },
     "tuningConfig": {