diff --git a/processing/src/main/java/org/apache/druid/segment/incremental/NoopRowIngestionMeters.java b/processing/src/main/java/org/apache/druid/segment/incremental/NoopRowIngestionMeters.java
index f29219de954..bff4f2e6de3 100644
--- a/processing/src/main/java/org/apache/druid/segment/incremental/NoopRowIngestionMeters.java
+++ b/processing/src/main/java/org/apache/druid/segment/incremental/NoopRowIngestionMeters.java
@@ -31,8 +31,6 @@ public class NoopRowIngestionMeters implements RowIngestionMeters
 {
   private static final RowIngestionMetersTotals EMPTY_TOTALS = new RowIngestionMetersTotals(0, 0, 0, 0, 0);
 
-  public static final NoopRowIngestionMeters INSTANCE = new NoopRowIngestionMeters();
-
   @Override
   public long getProcessed()
   {
diff --git a/quidem-ut/src/main/java/org/apache/druid/quidem/ScaledResoureInputDataSource.java b/quidem-ut/src/main/java/org/apache/druid/quidem/ScaledResoureInputDataSource.java
deleted file mode 100644
index c8605fbe050..00000000000
--- a/quidem-ut/src/main/java/org/apache/druid/quidem/ScaledResoureInputDataSource.java
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-package org.apache.druid.quidem;
-
-import org.apache.druid.data.input.AbstractInputSource;
-import org.apache.druid.data.input.InputFormat;
-import org.apache.druid.data.input.InputRow;
-import org.apache.druid.data.input.InputRowListPlusRawValues;
-import org.apache.druid.data.input.InputRowSchema;
-import org.apache.druid.data.input.InputSourceReader;
-import org.apache.druid.data.input.InputStats;
-import org.apache.druid.data.input.ResourceInputSource;
-import org.apache.druid.indexing.common.task.FilteringCloseableInputRowIterator;
-import org.apache.druid.java.util.common.parsers.CloseableIterator;
-import org.apache.druid.segment.incremental.NoopRowIngestionMeters;
-import org.apache.druid.segment.incremental.ParseExceptionHandler;
-import java.io.File;
-import java.io.IOException;
-import java.util.function.Predicate;
-
-public class ScaledResoureInputDataSource extends AbstractInputSource
-{
-  private int k;
-  private int n;
-  private ResourceInputSource resourceInputSource;
-
-  public ScaledResoureInputDataSource(int k, int n, ResourceInputSource resourceInputSource)
-  {
-    this.k = k;
-    this.n = n;
-    this.resourceInputSource = resourceInputSource;
-  }
-
-  @Override
-  public boolean isSplittable()
-  {
-    return false;
-  }
-
-  @Override
-  public boolean needsFormat()
-  {
-    return true;
-  }
-
-  @Override
-  public InputSourceReader reader(InputRowSchema inputRowSchema, InputFormat inputFormat, File temporaryDirectory)
-  {
-    InputSourceReader reader = resourceInputSource.reader(inputRowSchema, inputFormat, temporaryDirectory);
-    return new FilteredReader(reader, this::filterPredicate);
-  }
-
-  public boolean filterPredicate(InputRow inputRow)
-  {
-    return (Math.abs(inputRow.hashCode()) % n) < k;
-  }
-
-  static class FilteredReader implements InputSourceReader
-  {
-    private InputSourceReader reader;
-    private Predicate<InputRow> filterPredicate;
-
-    public FilteredReader(InputSourceReader reader, Predicate<InputRow> filterPredicate)
-    {
-      this.reader = reader;
-      this.filterPredicate = filterPredicate;
-    }
-
-    @Override
-    public CloseableIterator<InputRow> read(InputStats inputStats) throws IOException
-    {
-      return new FilteringCloseableInputRowIterator(
-          reader.read(inputStats),
-          filterPredicate,
-          NoopRowIngestionMeters.INSTANCE,
-          new ParseExceptionHandler(NoopRowIngestionMeters.INSTANCE, false, 0, 0)
-      );
-    }
-
-    @Override
-    public CloseableIterator<InputRowListPlusRawValues> sample() throws IOException
-    {
-      return reader.sample();
-    }
-  }
-}