diff --git a/server/src/main/java/org/elasticsearch/action/admin/cluster/node/info/NodesInfoRequest.java b/server/src/main/java/org/elasticsearch/action/admin/cluster/node/info/NodesInfoRequest.java
index a40743dedc002..c63546650bfe9 100644
--- a/server/src/main/java/org/elasticsearch/action/admin/cluster/node/info/NodesInfoRequest.java
+++ b/server/src/main/java/org/elasticsearch/action/admin/cluster/node/info/NodesInfoRequest.java
@@ -106,19 +106,6 @@ public NodesInfoRequest removeMetric(String metric) {
         return this;
     }
 
-    /**
-     * Helper method for adding and removing metrics. Used when deserializing
-     * a NodesInfoRequest from an ordered list of booleans.
-     *
-     * @param addMetric Whether or not to include a metric.
-     * @param metricName Name of the metric to include or remove.
-     */
-    private void optionallyAddMetric(boolean addMetric, String metricName) {
-        if (addMetric) {
-            requestedMetrics.add(metricName);
-        }
-    }
-
     @Override
     public void writeTo(StreamOutput out) throws IOException {
         super.writeTo(out);
diff --git a/server/src/main/java/org/elasticsearch/action/admin/cluster/node/stats/NodesStatsRequest.java b/server/src/main/java/org/elasticsearch/action/admin/cluster/node/stats/NodesStatsRequest.java
index 004a83e130f56..7ed8cf823eecc 100644
--- a/server/src/main/java/org/elasticsearch/action/admin/cluster/node/stats/NodesStatsRequest.java
+++ b/server/src/main/java/org/elasticsearch/action/admin/cluster/node/stats/NodesStatsRequest.java
@@ -148,17 +148,6 @@ public NodesStatsRequest removeMetric(String metric) {
         return this;
     }
 
-    /**
-     * Helper method for adding metrics during deserialization.
-     * @param includeMetric Whether or not to include a metric.
-     * @param metricName Name of the metric to add.
-     */
-    private void optionallyAddMetric(boolean includeMetric, String metricName) {
-        if (includeMetric) {
-            requestedMetrics.add(metricName);
-        }
-    }
-
     @Override
     public Task createTask(long id, String type, String action, TaskId parentTaskId, Map<String, String> headers) {
         return new CancellableTask(id, type, action, "", parentTaskId, headers);