diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/MasterObserver.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/MasterObserver.java
index c90ffe592a0..398e56bafeb 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/MasterObserver.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/MasterObserver.java
@@ -1263,7 +1263,8 @@ public interface MasterObserver {
   /**
    * Called after clear dead region servers.
    */
-  default void postClearDeadServers(ObserverContext<MasterCoprocessorEnvironment> ctx)
+  default void postClearDeadServers(ObserverContext<MasterCoprocessorEnvironment> ctx,
+      List<ServerName> servers, List<ServerName> notClearedServers)
       throws IOException {}
 
   /**
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterCoprocessorHost.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterCoprocessorHost.java
index ddc6c3d8e6f..43373474c03 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterCoprocessorHost.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterCoprocessorHost.java
@@ -1596,11 +1596,12 @@ public class MasterCoprocessorHost
     });
   }
 
-  public void postClearDeadServers() throws IOException {
+  public void postClearDeadServers(List<ServerName> servers,
+      List<ServerName> notClearedServers) throws IOException {
     execOperation(coprocEnvironments.isEmpty() ? null : new MasterObserverOperation() {
       @Override
       public void call(MasterObserver observer) throws IOException {
-        observer.postClearDeadServers(this);
+        observer.postClearDeadServers(this, servers, notClearedServers);
       }
     });
   }
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
index 2fd60aff3ec..1a8fd064997 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java
@@ -2163,7 +2163,9 @@ public class MasterRpcServices extends RSRpcServices
       }
 
       if (master.cpHost != null) {
-        master.cpHost.postClearDeadServers();
+        master.cpHost.postClearDeadServers(
+            ProtobufUtil.toServerNameList(request.getServerNameList()),
+            ProtobufUtil.toServerNameList(response.getServerNameList()));
       }
     } catch (IOException io) {
       throw new ServiceException(io);