diff --git a/sdk/resourcemanager/azure-resourcemanager-network/CHANGELOG.md b/sdk/resourcemanager/azure-resourcemanager-network/CHANGELOG.md
index dc512db20c3c9..a7decfa35ca6a 100644
--- a/sdk/resourcemanager/azure-resourcemanager-network/CHANGELOG.md
+++ b/sdk/resourcemanager/azure-resourcemanager-network/CHANGELOG.md
@@ -4,6 +4,8 @@
 
 ### Features Added
 
+- Supported set `DeleteOptions` on a public ip address in `NetworkInterface`, for allow deleting the public ip automatically when the vm is deleted.
+
 ### Breaking Changes
 
 ### Bugs Fixed
diff --git a/sdk/resourcemanager/azure-resourcemanager-network/src/main/java/com/azure/resourcemanager/network/implementation/NetworkInterfaceImpl.java b/sdk/resourcemanager/azure-resourcemanager-network/src/main/java/com/azure/resourcemanager/network/implementation/NetworkInterfaceImpl.java
index ea35b8a87c44b..1a8793482863c 100644
--- a/sdk/resourcemanager/azure-resourcemanager-network/src/main/java/com/azure/resourcemanager/network/implementation/NetworkInterfaceImpl.java
+++ b/sdk/resourcemanager/azure-resourcemanager-network/src/main/java/com/azure/resourcemanager/network/implementation/NetworkInterfaceImpl.java
@@ -587,10 +587,6 @@ public NetworkInterfaceImpl update() {
     }
 
     public void ensureDeleteOptions(DeleteOptions deleteOptions, String ipConfigName) {
-        if (this.specifiedIpConfigNames.containsKey(ipConfigName)) {
-            this.specifiedIpConfigNames.replace(ipConfigName, deleteOptions);
-        } else {
-            this.specifiedIpConfigNames.put(ipConfigName, deleteOptions);
-        }
+        this.specifiedIpConfigNames.put(ipConfigName, deleteOptions);
     }
 }