diff --git a/sdk/resourcemanager/azure-resourcemanager-appplatform/src/main/java/com/azure/resourcemanager/appplatform/implementation/SpringAppDomainsImpl.java b/sdk/resourcemanager/azure-resourcemanager-appplatform/src/main/java/com/azure/resourcemanager/appplatform/implementation/SpringAppDomainsImpl.java
index 5b4f1a6b4939..83958d3e5c01 100644
--- a/sdk/resourcemanager/azure-resourcemanager-appplatform/src/main/java/com/azure/resourcemanager/appplatform/implementation/SpringAppDomainsImpl.java
+++ b/sdk/resourcemanager/azure-resourcemanager-appplatform/src/main/java/com/azure/resourcemanager/appplatform/implementation/SpringAppDomainsImpl.java
@@ -66,7 +66,7 @@ public void deleteById(String id) {
     }
 
     @Override
-    public Mono<?> deleteByIdAsync(String id) {
+    public Mono<Void> deleteByIdAsync(String id) {
         return deleteByNameAsync(ResourceUtils.nameFromResourceId(id));
     }
 
diff --git a/sdk/resourcemanager/azure-resourcemanager-appplatform/src/main/java/com/azure/resourcemanager/appplatform/implementation/SpringAppServiceBindingsImpl.java b/sdk/resourcemanager/azure-resourcemanager-appplatform/src/main/java/com/azure/resourcemanager/appplatform/implementation/SpringAppServiceBindingsImpl.java
index 07326ae08fa0..8a21fe376f50 100644
--- a/sdk/resourcemanager/azure-resourcemanager-appplatform/src/main/java/com/azure/resourcemanager/appplatform/implementation/SpringAppServiceBindingsImpl.java
+++ b/sdk/resourcemanager/azure-resourcemanager-appplatform/src/main/java/com/azure/resourcemanager/appplatform/implementation/SpringAppServiceBindingsImpl.java
@@ -65,7 +65,7 @@ public void deleteById(String id) {
     }
 
     @Override
-    public Mono<?> deleteByIdAsync(String id) {
+    public Mono<Void> deleteByIdAsync(String id) {
         return deleteByNameAsync(ResourceUtils.nameFromResourceId(id));
     }
 
diff --git a/sdk/resourcemanager/azure-resourcemanager-appplatform/src/main/java/com/azure/resourcemanager/appplatform/implementation/SpringServiceCertificatesImpl.java b/sdk/resourcemanager/azure-resourcemanager-appplatform/src/main/java/com/azure/resourcemanager/appplatform/implementation/SpringServiceCertificatesImpl.java
index a9bc99498871..8a6bf4530bee 100644
--- a/sdk/resourcemanager/azure-resourcemanager-appplatform/src/main/java/com/azure/resourcemanager/appplatform/implementation/SpringServiceCertificatesImpl.java
+++ b/sdk/resourcemanager/azure-resourcemanager-appplatform/src/main/java/com/azure/resourcemanager/appplatform/implementation/SpringServiceCertificatesImpl.java
@@ -65,7 +65,7 @@ public void deleteById(String id) {
     }
 
     @Override
-    public Mono<?> deleteByIdAsync(String id) {
+    public Mono<Void> deleteByIdAsync(String id) {
         return deleteByNameAsync(ResourceUtils.nameFromResourceId(id));
     }
 
diff --git a/sdk/resourcemanager/azure-resourcemanager-authorization/src/main/java/com/azure/resourcemanager/authorization/implementation/RoleAssignmentsImpl.java b/sdk/resourcemanager/azure-resourcemanager-authorization/src/main/java/com/azure/resourcemanager/authorization/implementation/RoleAssignmentsImpl.java
index 185f2128a8be..d25184b9033f 100644
--- a/sdk/resourcemanager/azure-resourcemanager-authorization/src/main/java/com/azure/resourcemanager/authorization/implementation/RoleAssignmentsImpl.java
+++ b/sdk/resourcemanager/azure-resourcemanager-authorization/src/main/java/com/azure/resourcemanager/authorization/implementation/RoleAssignmentsImpl.java
@@ -75,12 +75,8 @@ protected RoleAssignmentImpl wrapModel(String name) {
     }
 
     @Override
-    public Mono<RoleAssignment> deleteByIdAsync(String id) {
-        return inner()
-            .deleteByIdAsync(id)
-            .map(
-                roleAssignmentInner ->
-                    new RoleAssignmentImpl(roleAssignmentInner.name(), roleAssignmentInner, manager()));
+    public Mono<Void> deleteByIdAsync(String id) {
+        return inner().deleteByIdAsync(id).then();
     }
 
     @Override
diff --git a/sdk/resourcemanager/azure-resourcemanager-network/src/main/java/com/azure/resourcemanager/network/implementation/NetworkSecurityGroupsImpl.java b/sdk/resourcemanager/azure-resourcemanager-network/src/main/java/com/azure/resourcemanager/network/implementation/NetworkSecurityGroupsImpl.java
index 03156c509588..9fdb802db2ba 100644
--- a/sdk/resourcemanager/azure-resourcemanager-network/src/main/java/com/azure/resourcemanager/network/implementation/NetworkSecurityGroupsImpl.java
+++ b/sdk/resourcemanager/azure-resourcemanager-network/src/main/java/com/azure/resourcemanager/network/implementation/NetworkSecurityGroupsImpl.java
@@ -26,7 +26,7 @@ public NetworkSecurityGroupsImpl(final NetworkManager networkManager) {
     }
 
     @Override
-    public Mono<?> deleteByResourceGroupAsync(String groupName, String name) {
+    public Mono<Void> deleteByResourceGroupAsync(String groupName, String name) {
         // Clear NIC references if any
         NetworkSecurityGroupImpl nsg = (NetworkSecurityGroupImpl) getByResourceGroup(groupName, name);
         if (nsg != null) {
diff --git a/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/arm/collection/SupportsDeletingByResourceGroup.java b/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/arm/collection/SupportsDeletingByResourceGroup.java
index d49913cd1944..45d0dd5dfa91 100644
--- a/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/arm/collection/SupportsDeletingByResourceGroup.java
+++ b/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/arm/collection/SupportsDeletingByResourceGroup.java
@@ -26,5 +26,5 @@ public interface SupportsDeletingByResourceGroup {
      * @param name the name of the resource
      * @return a representation of the deferred computation of this call
      */
-    Mono<?> deleteByResourceGroupAsync(String resourceGroupName, String name);
+    Mono<Void> deleteByResourceGroupAsync(String resourceGroupName, String name);
 }
diff --git a/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/arm/collection/implementation/GroupableResourcesImpl.java b/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/arm/collection/implementation/GroupableResourcesImpl.java
index 83cf4018a659..9c4f3d73d1a6 100644
--- a/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/arm/collection/implementation/GroupableResourcesImpl.java
+++ b/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/arm/collection/implementation/GroupableResourcesImpl.java
@@ -77,12 +77,12 @@ public final void deleteByResourceGroup(String groupName, String name) {
     }
 
     @Override
-    public Mono<?> deleteByResourceGroupAsync(String groupName, String name) {
+    public Mono<Void> deleteByResourceGroupAsync(String groupName, String name) {
         return this.deleteInnerAsync(groupName, name).subscribeOn(SdkContext.getReactorScheduler());
     }
 
     @Override
-    public Mono<?> deleteByIdAsync(String id) {
+    public Mono<Void> deleteByIdAsync(String id) {
         return deleteByResourceGroupAsync(ResourceUtils.groupFromResourceId(id), ResourceUtils.nameFromResourceId(id));
     }
 
@@ -99,5 +99,5 @@ public Mono<T> getByResourceGroupAsync(String resourceGroupName, String name) {
 
     protected abstract Mono<InnerT> getInnerAsync(String resourceGroupName, String name);
 
-    protected abstract Mono<?> deleteInnerAsync(String resourceGroupName, String name);
+    protected abstract Mono<Void> deleteInnerAsync(String resourceGroupName, String name);
 }
diff --git a/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/arm/collection/implementation/TopLevelModifiableResourcesImpl.java b/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/arm/collection/implementation/TopLevelModifiableResourcesImpl.java
index efc6a2a7642f..178f8cddbe1d 100644
--- a/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/arm/collection/implementation/TopLevelModifiableResourcesImpl.java
+++ b/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/arm/collection/implementation/TopLevelModifiableResourcesImpl.java
@@ -54,8 +54,8 @@ protected final Mono<InnerT> getInnerAsync(String resourceGroupName, String name
     }
 
     @Override
-    protected Mono<?> deleteInnerAsync(String resourceGroupName, String name) {
-        return inner().deleteAsync(resourceGroupName, name);
+    protected Mono<Void> deleteInnerAsync(String resourceGroupName, String name) {
+        return inner().deleteAsync(resourceGroupName, name).then();
     }
 
     @Override
diff --git a/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/collection/SupportsDeletingById.java b/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/collection/SupportsDeletingById.java
index 824edb6253a8..abae7e70654c 100644
--- a/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/collection/SupportsDeletingById.java
+++ b/sdk/resourcemanager/azure-resourcemanager-resources/src/main/java/com/azure/resourcemanager/resources/fluentcore/collection/SupportsDeletingById.java
@@ -24,5 +24,5 @@ public interface SupportsDeletingById {
      * @param id the resource ID of the resource to delete
      * @return a representation of the deferred computation of this call
      */
-    Mono<?> deleteByIdAsync(String id);
+    Mono<Void> deleteByIdAsync(String id);
 }