diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AbstractRpcBasedConnectionRegistry.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AbstractRpcBasedConnectionRegistry.java
index 164c1a9fb7c5..60137d23fff2 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AbstractRpcBasedConnectionRegistry.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AbstractRpcBasedConnectionRegistry.java
@@ -271,11 +271,6 @@ public CompletableFuture<ServerName> getActiveMaster() {
       getClass().getSimpleName() + ".getClusterId");
   }
 
-  @Override
-  public String getConnectionString() {
-    return "unimplemented";
-  }
-
   @Override
   public void close() {
     trace(() -> {
diff --git a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestRpcBasedRegistryHedgedReads.java b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestRpcBasedRegistryHedgedReads.java
index 2979743f479a..146895aca166 100644
--- a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestRpcBasedRegistryHedgedReads.java
+++ b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestRpcBasedRegistryHedgedReads.java
@@ -167,6 +167,10 @@ protected Set<ServerName> getBootstrapNodes(Configuration conf) throws IOExcepti
       protected CompletableFuture<Set<ServerName>> fetchEndpoints() {
         return CompletableFuture.completedFuture(BOOTSTRAP_NODES);
       }
+
+      @Override public String getConnectionString() {
+        return "unimplemented";
+      }
     };
   }