diff --git a/server/src/main/java/org/opensearch/common/cache/stats/SingleDimensionCacheStats.java b/server/src/main/java/org/opensearch/common/cache/stats/SingleDimensionCacheStats.java
index 9391e0049fd47..63f8ab27e43c2 100644
--- a/server/src/main/java/org/opensearch/common/cache/stats/SingleDimensionCacheStats.java
+++ b/server/src/main/java/org/opensearch/common/cache/stats/SingleDimensionCacheStats.java
@@ -280,17 +280,4 @@ private ConcurrentMap<String, CounterMetric> convertLongMapToCounterMetric(Map<S
         }
         return result;
     }
-
-    /*@Override
-    public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
-        return null;
-    }*/
-
-    /*static final class Fields {
-        static final String MEMORY_SIZE = "memory_size";
-        static final String EVICTIONS = "evictions";
-        static final String HIT_COUNT = "hit_count";
-        static final String MISS_COUNT = "miss_count";
-        static final String ENTRIES = "entries";
-    }*/
 }
diff --git a/server/src/main/java/org/opensearch/common/cache/tier/TieredSpilloverCacheStats.java b/server/src/main/java/org/opensearch/common/cache/tier/TieredSpilloverCacheStats.java
deleted file mode 100644
index e8ccc0422a704..0000000000000
--- a/server/src/main/java/org/opensearch/common/cache/tier/TieredSpilloverCacheStats.java
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * SPDX-License-Identifier: Apache-2.0
- *
- * The OpenSearch Contributors require contributions made to
- * this file be licensed under the Apache-2.0 license or a
- * compatible open source license.
- */
-
-package org.opensearch.common.cache.tier;
-
-import org.opensearch.common.cache.stats.CacheStats;
-import org.opensearch.common.cache.stats.CacheStatsDimension;
-import org.opensearch.common.cache.stats.CacheStatsResponse;
-import org.opensearch.core.common.io.stream.StreamOutput;
-
-import java.io.IOException;
-import java.util.List;
-
-public class TieredSpilloverCacheStats implements CacheStats {
-    private final CacheStats heapStats;
-    private final CacheStats diskStats;
-
-    public TieredSpilloverCacheStats(CacheStats heapStats, CacheStats diskStats) {
-        this.heapStats = heapStats;
-        this.diskStats = diskStats;
-    }
-
-    // TODO: This is a skeleton implementation, not yet functional!
-    @Override
-    public void writeTo(StreamOutput out) throws IOException {
-
-    }
-
-    @Override
-    public CacheStatsResponse getTotalStats() {
-        return null;
-    }
-
-    @Override
-    public CacheStatsResponse getStatsByDimensions(List<CacheStatsDimension> dimensions) {
-        return null;
-    }
-
-    @Override
-    public long getTotalHits() {
-        return 0;
-    }
-
-    @Override
-    public long getTotalMisses() {
-        return 0;
-    }
-
-    @Override
-    public long getTotalEvictions() {
-        return 0;
-    }
-
-    @Override
-    public long getTotalMemorySize() {
-        return 0;
-    }
-
-    @Override
-    public long getTotalEntries() {
-        return 0;
-    }
-
-    @Override
-    public long getHitsByDimensions(List<CacheStatsDimension> dimensions) {
-        return 0;
-    }
-
-    @Override
-    public long getMissesByDimensions(List<CacheStatsDimension> dimensions) {
-        return 0;
-    }
-
-    @Override
-    public long getEvictionsByDimensions(List<CacheStatsDimension> dimensions) {
-        return 0;
-    }
-
-    @Override
-    public long getMemorySizeByDimensions(List<CacheStatsDimension> dimensions) {
-        return 0;
-    }
-
-    @Override
-    public long getEntriesByDimensions(List<CacheStatsDimension> dimensions) {
-        return 0;
-    }
-
-    @Override
-    public void incrementHitsByDimensions(List<CacheStatsDimension> dimensions) {
-
-    }
-
-    @Override
-    public void incrementMissesByDimensions(List<CacheStatsDimension> dimensions) {
-
-    }
-
-    @Override
-    public void incrementEvictionsByDimensions(List<CacheStatsDimension> dimensions) {
-
-    }
-
-    @Override
-    public void incrementMemorySizeByDimensions(List<CacheStatsDimension> dimensions, long amountBytes) {
-
-    }
-
-    @Override
-    public void incrementEntriesByDimensions(List<CacheStatsDimension> dimensions) {
-
-    }
-
-    @Override
-    public void decrementEntriesByDimensions(List<CacheStatsDimension> dimensions) {
-
-    }
-}