diff --git a/src/main/java/org/opensearch/performanceanalyzer/commons/metrics/RTFMetrics.java b/src/main/java/org/opensearch/performanceanalyzer/commons/metrics/RTFMetrics.java
index 2a62dc8..f9d1f0a 100644
--- a/src/main/java/org/opensearch/performanceanalyzer/commons/metrics/RTFMetrics.java
+++ b/src/main/java/org/opensearch/performanceanalyzer/commons/metrics/RTFMetrics.java
@@ -340,24 +340,6 @@ public static class Constants {
         }
     }
 
-    public enum OSMetrics {
-        CPU_UTILIZATION(RTFMetrics.OSMetrics.Constants.CPU_VALUE);
-        private final String value;
-
-        OSMetrics(String value) {
-            this.value = value;
-        }
-
-        @Override
-        public String toString() {
-            return value;
-        }
-
-        public static class Constants {
-            public static final String CPU_VALUE = "cpu_utilization";
-        }
-    }
-
     public enum MetricUnits {
         CORES(Constants.CORES_VALUE),
         COUNT_PER_SEC(Constants.COUNT_PER_SEC_VALUE),
diff --git a/src/main/java/org/opensearch/performanceanalyzer/commons/stats/metrics/StatExceptionCode.java b/src/main/java/org/opensearch/performanceanalyzer/commons/stats/metrics/StatExceptionCode.java
index 6f98e80..dcb9bc2 100644
--- a/src/main/java/org/opensearch/performanceanalyzer/commons/stats/metrics/StatExceptionCode.java
+++ b/src/main/java/org/opensearch/performanceanalyzer/commons/stats/metrics/StatExceptionCode.java
@@ -78,7 +78,6 @@ public enum StatExceptionCode {
     MOUNTED_PARTITION_METRICS_COLLECTOR_ERROR("MountedPartitionMetricsCollectorError"),
     NETWORK_COLLECTION_ERROR("NetworkCollectionError"),
     OS_METRICS_COLLECTOR_ERROR("OSMetricsCollectorError"),
-    RTF_OS_METRICS_COLLECTOR_ERROR("RTFOSMetricsCollectorError"),
     STATS_COLLECTOR_ERROR("StatsCollectorError"),
     THREADPOOL_METRICS_COLLECTOR_ERROR("ThreadPoolMetricsCollectorError"),
     RTF_THREADPOOL_METRICS_COLLECTOR_ERROR("RTFThreadPoolMetricsCollectorError"),
diff --git a/src/main/java/org/opensearch/performanceanalyzer/commons/stats/metrics/StatMetrics.java b/src/main/java/org/opensearch/performanceanalyzer/commons/stats/metrics/StatMetrics.java
index 6de356c..f0a5e00 100644
--- a/src/main/java/org/opensearch/performanceanalyzer/commons/stats/metrics/StatMetrics.java
+++ b/src/main/java/org/opensearch/performanceanalyzer/commons/stats/metrics/StatMetrics.java
@@ -66,8 +66,6 @@ public enum StatMetrics implements MeasurementSet {
             Statistics.SUM),
     OS_METRICS_COLLECTOR_EXECUTION_TIME(
             "OSMetricsCollectorExecutionTime", "millis", StatsType.LATENCIES, Statistics.SUM),
-    RTF_OS_METRICS_COLLECTOR_EXECUTION_TIME(
-            "RTFOSMetricsCollectorExecutionTime", "millis", StatsType.LATENCIES, Statistics.SUM),
     STAT_COLLECTOR_EXECUTION_TIME(
             "StatCollectorExecutionTime", "millis", StatsType.LATENCIES, Statistics.SUM),