diff --git a/ml-algorithms/src/main/java/org/opensearch/ml/engine/algorithms/remote/HttpJsonConnectorExecutor.java b/ml-algorithms/src/main/java/org/opensearch/ml/engine/algorithms/remote/HttpJsonConnectorExecutor.java
index 816e0528dc..aff5208502 100644
--- a/ml-algorithms/src/main/java/org/opensearch/ml/engine/algorithms/remote/HttpJsonConnectorExecutor.java
+++ b/ml-algorithms/src/main/java/org/opensearch/ml/engine/algorithms/remote/HttpJsonConnectorExecutor.java
@@ -126,8 +126,7 @@ public void invokeRemoteModel(
         }
     }
 
-    @VisibleForTesting
-    protected void validateHttpClientParameters(Map<String, String> parameters) throws Exception {
+    private void validateHttpClientParameters(Map<String, String> parameters) throws Exception {
         String endpoint = connector.getPredictEndpoint(parameters);
         URL url = new URL(endpoint);
         String protocol = url.getProtocol();