diff --git a/eng/code-quality-reports/src/main/resources/spotbugs/spotbugs-exclude.xml b/eng/code-quality-reports/src/main/resources/spotbugs/spotbugs-exclude.xml
index 3e3332a04638..8b37b15909ed 100755
--- a/eng/code-quality-reports/src/main/resources/spotbugs/spotbugs-exclude.xml
+++ b/eng/code-quality-reports/src/main/resources/spotbugs/spotbugs-exclude.xml
@@ -2155,6 +2155,15 @@
                   RCN_REDUNDANT_NULLCHECK_WOULD_HAVE_BEEN_A_NPE,
                   RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE"/>
   </Match>
+  
+  <!-- Exclude BC_UNCONFIRMED_CAST_OF_RETURN_VALUE as false positive -->
+  <Match>
+    <Or>
+      <Class name="com.azure.resourcemanager.resources.fluentcore.dag.TaskGroup"/>
+      <Class name="com.azure.resourcemanager.resources.fluentcore.dag.TaskGroup$ProxyTaskGroupWrapper"/>  
+    </Or>
+    <Bug pattern="BC_UNCONFIRMED_CAST_OF_RETURN_VALUE"/>
+  </Match>  
 
   <!-- Exclude from spring related classes -->
   <Match>
diff --git a/sdk/resourcemanager/azure-resourcemanager-resources/pom.xml b/sdk/resourcemanager/azure-resourcemanager-resources/pom.xml
index ba96835388a2..b4ee7ebf1a72 100644
--- a/sdk/resourcemanager/azure-resourcemanager-resources/pom.xml
+++ b/sdk/resourcemanager/azure-resourcemanager-resources/pom.xml
@@ -54,11 +54,6 @@
       <artifactId>azure-core-management</artifactId>
       <version>1.0.0-beta.3</version> <!-- {x-version-update;com.azure:azure-core-management;dependency} -->
     </dependency>
-    <dependency>
-      <groupId>com.github.spotbugs</groupId>
-      <artifactId>spotbugs-annotations</artifactId>
-      <version>4.0.2</version> <!-- {x-version-update;com.github.spotbugs:spotbugs-annotations;external_dependency} -->
-    </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
diff --git a/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/dag/TaskGroup.java b/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/dag/TaskGroup.java
index 42277726d814..121e6f4fca32 100644
--- a/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/dag/TaskGroup.java
+++ b/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/dag/TaskGroup.java
@@ -6,7 +6,6 @@
 import com.azure.core.util.logging.ClientLogger;
 import com.azure.resourcemanager.resources.fluentcore.model.Indexable;
 import com.azure.resourcemanager.resources.fluentcore.utils.SdkContext;
-import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 import reactor.core.scheduler.Schedulers;
@@ -122,7 +121,6 @@ public String key() {
      * @param taskId the task item id
      * @return the task result, null will be returned if task has not yet been invoked
      */
-    @SuppressFBWarnings(value = "BC_UNCONFIRMED_CAST_OF_RETURN_VALUE", justification = "Incorrect spot bugs")
     public Indexable taskResult(String taskId) {
         TaskGroupEntry<TaskItem> taskGroupEntry = super.getNode(taskId);
         if (taskGroupEntry != null) {
@@ -379,7 +377,6 @@ private Set<String> runBeforeGroupInvoke(final Set<String> skip) {
     /**
      * @return list with current task entries in this task group
      */
-    @SuppressFBWarnings(value = "BC_UNCONFIRMED_CAST_OF_RETURN_VALUE", justification = "Incorrect spot bugs")
     private List<TaskGroupEntry<TaskItem>> entriesSnapshot() {
         List<TaskGroupEntry<TaskItem>> entries = new ArrayList<>();
         super.prepareForEnumeration();
@@ -401,7 +398,6 @@ private List<TaskGroupEntry<TaskItem>> entriesSnapshot() {
     // Due to it takes approximate 3ms in flux for returning, it cannot be guaranteed to return in topological order.
     // One simply fix for guaranteeing the last element could be https://github.com/Azure/azure-sdk-for-java/pull/15074
     @SuppressWarnings({"unchecked", "rawtypes"})
-    @SuppressFBWarnings(value = "BC_UNCONFIRMED_CAST_OF_RETURN_VALUE", justification = "Incorrect spot bugs")
     private Flux<Indexable> invokeReadyTasksAsync(final InvocationContext context) {
         TaskGroupEntry<TaskItem> readyTaskEntry = super.getNext();
         final List<Flux<Indexable>> observables = new ArrayList<>();
@@ -762,7 +758,6 @@ void addDependentTaskGroup(TaskGroup dependentTaskGroup) {
         /**
          * Initialize the proxy TaskGroup if not initialized yet.
          */
-        @SuppressFBWarnings(value = "BC_UNCONFIRMED_CAST_OF_RETURN_VALUE", justification = "Incorrect spot bugs")
         private void initProxyTaskGroup() {
             if (this.proxyTaskGroup == null) {
                 // Creates proxy TaskGroup with an instance of ProxyTaskItem as root TaskItem which delegates actions on
diff --git a/sdk/resourcemanager/azure-resourcemanager-samples/pom.xml b/sdk/resourcemanager/azure-resourcemanager-samples/pom.xml
index b601034cbeac..95aa61684c97 100644
--- a/sdk/resourcemanager/azure-resourcemanager-samples/pom.xml
+++ b/sdk/resourcemanager/azure-resourcemanager-samples/pom.xml
@@ -143,6 +143,11 @@
       <version>5.6.2</version> <!-- {x-version-update;org.junit.jupiter:junit-jupiter-api;external_dependency} -->
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>com.github.spotbugs</groupId>
+      <artifactId>spotbugs-annotations</artifactId>
+      <version>4.0.2</version> <!-- {x-version-update;com.github.spotbugs:spotbugs-annotations;external_dependency} -->
+    </dependency>
   </dependencies>
   <profiles>
     <profile>
@@ -208,6 +213,7 @@
                 <include>org.eclipse.jgit:org.eclipse.jgit:[4.5.7.201904151645-r]</include> <!-- {x-include-update;org.eclipse.jgit:org.eclipse.jgit;external_dependency} -->
                 <include>com.github.cverges.expect4j:expect4j:[1.6]</include> <!-- {x-include-update;com.github.cverges.expect4j:expect4j;external_dependency} -->
                 <include>commons-net:commons-net:[3.6]</include> <!-- {x-include-update;commons-net:commons-net;external_dependency} -->
+                <include>com.github.spotbugs:spotbugs-annotations:[4.0.2]</include> <!-- {x-include-update;com.github.spotbugs:spotbugs-annotations;external_dependency} -->
               </includes>
             </bannedDependencies>
           </rules>