diff --git a/apex/media/framework/java/android/media/MediaParser.java b/apex/media/framework/java/android/media/MediaParser.java
index 073fddf8f6158..202decc3bfe77 100644
--- a/apex/media/framework/java/android/media/MediaParser.java
+++ b/apex/media/framework/java/android/media/MediaParser.java
@@ -21,7 +21,6 @@ import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.StringDef;
 import android.media.MediaCodec.CryptoInfo;
-import android.net.Uri;
 import android.text.TextUtils;
 import android.util.Pair;
 import android.util.SparseArray;
@@ -52,9 +51,6 @@ import com.google.android.exoplayer2.extractor.ts.PsExtractor;
 import com.google.android.exoplayer2.extractor.ts.TsExtractor;
 import com.google.android.exoplayer2.extractor.wav.WavExtractor;
 import com.google.android.exoplayer2.upstream.DataReader;
-import com.google.android.exoplayer2.upstream.DataSource;
-import com.google.android.exoplayer2.upstream.DataSpec;
-import com.google.android.exoplayer2.upstream.TransferListener;
 import com.google.android.exoplayer2.util.ParsableByteArray;
 import com.google.android.exoplayer2.util.Util;
 import com.google.android.exoplayer2.video.ColorInfo;
@@ -847,7 +843,7 @@ public final class MediaParser {
     private final OutputConsumer mOutputConsumer;
     private final String[] mParserNamesPool;
     private final PositionHolder mPositionHolder;
-    private final InputReadingDataSource mDataSource;
+    private final InputReadingDataReader mExoDataReader;
     private final DataReaderAdapter mScratchDataReaderAdapter;
     private final ParsableByteArrayAdapter mScratchParsableByteArrayAdapter;
     private String mParserName;
@@ -950,11 +946,11 @@ public final class MediaParser {
             // clearBuffers() method, or similar.
             mExtractorInput =
                     new DefaultExtractorInput(
-                            mDataSource,
+                            mExoDataReader,
                             seekableInputReader.getPosition(),
                             seekableInputReader.getLength());
         }
-        mDataSource.mInputReader = seekableInputReader;
+        mExoDataReader.mInputReader = seekableInputReader;
 
         // TODO: Apply parameters when creating extractor instances.
         if (mExtractor == null) {
@@ -1046,7 +1042,7 @@ public final class MediaParser {
         mParserNamesPool = parserNamesPool;
         mParserName = sniff ? PARSER_NAME_UNKNOWN : parserNamesPool[0];
         mPositionHolder = new PositionHolder();
-        mDataSource = new InputReadingDataSource();
+        mExoDataReader = new InputReadingDataReader();
         removePendingSeek();
         mScratchDataReaderAdapter = new DataReaderAdapter();
         mScratchParsableByteArrayAdapter = new ParsableByteArrayAdapter();
@@ -1181,39 +1177,14 @@ public final class MediaParser {
 
     // Private classes.
 
-    private static final class InputReadingDataSource implements DataSource {
+    private static final class InputReadingDataReader implements DataReader {
 
         public InputReader mInputReader;
 
-        @Override
-        public void addTransferListener(TransferListener transferListener) {
-            // Do nothing.
-        }
-
-        @Override
-        public long open(DataSpec dataSpec) {
-            throw new UnsupportedOperationException();
-        }
-
         @Override
         public int read(byte[] buffer, int offset, int readLength) throws IOException {
             return mInputReader.read(buffer, offset, readLength);
         }
-
-        @Override
-        public Uri getUri() {
-            return null;
-        }
-
-        @Override
-        public Map<String, List<String>> getResponseHeaders() {
-            return null;
-        }
-
-        @Override
-        public void close() {
-            throw new UnsupportedOperationException();
-        }
     }
 
     private final class ExtractorOutputAdapter implements ExtractorOutput {