diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/NamespacesBase.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/NamespacesBase.java
index ae36c5c30cfc4..4c364068077d9 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/NamespacesBase.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/NamespacesBase.java
@@ -279,12 +279,6 @@ private void internalRetryableDeleteNamespaceAsync0(boolean force, int retryTime
                                         return old;
                                     });
                                 }
-                                allUserCreatedTopics.removeIf(t ->
-                                        allPartitionedTopics.contains(TopicName.get(t).getPartitionedTopicName()));
-                                allSystemTopics.removeIf(t ->
-                                        allPartitionedTopics.contains(TopicName.get(t).getPartitionedTopicName()));
-                                topicPolicy.removeIf(t ->
-                                        allPartitionedTopics.contains(TopicName.get(t).getPartitionedTopicName()));
                                 return markDeleteFuture.thenCompose(__ ->
                                                 internalDeleteTopicsAsync(allUserCreatedTopics))
                                         .thenCompose(ignore ->