diff --git a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/BaseTrackSelection.java b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/BaseTrackSelection.java
index fe08b02a1c..670f319f90 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/BaseTrackSelection.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/BaseTrackSelection.java
@@ -164,7 +164,7 @@ public abstract class BaseTrackSelection implements ExoTrackSelection {
   }
 
   @Override
-  public final boolean blacklist(int index, long exclusionDurationMs) {
+  public boolean blacklist(int index, long exclusionDurationMs) {
     long nowMs = SystemClock.elapsedRealtime();
     boolean canExclude = isBlacklisted(index, nowMs);
     for (int i = 0; i < length && !canExclude; i++) {
@@ -180,15 +180,8 @@ public abstract class BaseTrackSelection implements ExoTrackSelection {
     return true;
   }
 
-  // Internal methods.
-
-  /**
-   * Returns whether the track at the specified index in the selection is excluded.
-   *
-   * @param index The index of the track in the selection.
-   * @param nowMs The current time in the timebase of {@link SystemClock#elapsedRealtime()}.
-   */
-  protected final boolean isBlacklisted(int index, long nowMs) {
+  @Override
+  public boolean isBlacklisted(int index, long nowMs) {
     return excludeUntilTimes[index] > nowMs;
   }
 
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/ExoTrackSelection.java b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/ExoTrackSelection.java
index 1e2b057042..ee1fa2dcfe 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/ExoTrackSelection.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/ExoTrackSelection.java
@@ -271,4 +271,13 @@ public interface ExoTrackSelection extends TrackSelection {
    * @return Whether exclusion was successful.
    */
   boolean blacklist(int index, long exclusionDurationMs);
+
+  /**
+   * Returns whether the track at the specified index in the selection is excluded.
+   *
+   * @param index The index of the track in the selection.
+   * @param nowMs The current time in the timebase of {@link
+   *     android.os.SystemClock#elapsedRealtime()}.
+   */
+  boolean isBlacklisted(int index, long nowMs);
 }
diff --git a/testutils/src/main/java/com/google/android/exoplayer2/testutil/FakeTrackSelection.java b/testutils/src/main/java/com/google/android/exoplayer2/testutil/FakeTrackSelection.java
index 15e1327bdf..3226603803 100644
--- a/testutils/src/main/java/com/google/android/exoplayer2/testutil/FakeTrackSelection.java
+++ b/testutils/src/main/java/com/google/android/exoplayer2/testutil/FakeTrackSelection.java
@@ -150,4 +150,10 @@ public final class FakeTrackSelection implements ExoTrackSelection {
     assertThat(isEnabled).isTrue();
     return false;
   }
+
+  @Override
+  public boolean isBlacklisted(int index, long exclusionDurationMs) {
+    assertThat(isEnabled).isTrue();
+    return false;
+  }
 }