diff --git a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/video/PlaceholderSurface.java b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/video/PlaceholderSurface.java
index fb133567f4..ba5eb3bd6c 100644
--- a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/video/PlaceholderSurface.java
+++ b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/video/PlaceholderSurface.java
@@ -32,7 +32,6 @@ import androidx.media3.common.util.EGLSurfaceTexture.SecureMode;
 import androidx.media3.common.util.GlUtil;
 import androidx.media3.common.util.Log;
 import androidx.media3.common.util.UnstableApi;
-import androidx.media3.common.util.Util;
 import com.google.errorprone.annotations.InlineMe;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 
@@ -80,8 +79,6 @@ public final class PlaceholderSurface extends Surface {
    * Returns a newly created placeholder surface. The surface must be released by calling {@link
    * #release} when it's no longer required.
    *
-   * <p>Must only be called if {@link Util#SDK_INT} is 17 or higher.
-   *
    * @param context Any {@link Context}.
    * @param secure Whether a secure surface is required. Must only be requested if {@link
    *     #isSecureSupported(Context)} returns {@code true}.
diff --git a/libraries/test_utils/src/main/java/androidx/media3/test/utils/BitmapPixelTestUtil.java b/libraries/test_utils/src/main/java/androidx/media3/test/utils/BitmapPixelTestUtil.java
index 8ad424624b..0c87049e1f 100644
--- a/libraries/test_utils/src/main/java/androidx/media3/test/utils/BitmapPixelTestUtil.java
+++ b/libraries/test_utils/src/main/java/androidx/media3/test/utils/BitmapPixelTestUtil.java
@@ -18,7 +18,6 @@ package androidx.media3.test.utils;
 import static androidx.media3.common.util.Assertions.checkArgument;
 import static androidx.media3.common.util.Assertions.checkNotNull;
 import static androidx.media3.common.util.Assertions.checkState;
-import static androidx.media3.common.util.Util.SDK_INT;
 import static androidx.media3.common.util.Util.isRunningOnEmulator;
 import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
 import static com.google.common.truth.Truth.assertThat;
@@ -49,7 +48,6 @@ import java.io.OutputStream;
 import java.lang.reflect.Method;
 import java.nio.ByteBuffer;
 import java.util.Arrays;
-import org.junit.AssumptionViolatedException;
 
 /** Utilities for pixel tests. */
 // TODO(b/263395272): After the bug is fixed and dependent tests are moved back to media3.effect,
@@ -539,14 +537,8 @@ public class BitmapPixelTestUtil {
   public static Bitmap flipBitmapVertically(Bitmap bitmap) {
     boolean wasPremultiplied = bitmap.isPremultiplied();
     if (!wasPremultiplied) {
-      if (SDK_INT >= 19) {
-        // Bitmap.createBitmap must be called on a premultiplied bitmap.
-        bitmap.setPremultiplied(true);
-      } else {
-        throw new AssumptionViolatedException(
-            "bitmap is not premultiplied and Bitmap.setPremultiplied is not supported under API 19."
-                + " unpremultiplied bitmaps cannot be flipped");
-      }
+      // Bitmap.createBitmap must be called on a premultiplied bitmap.
+      bitmap.setPremultiplied(true);
     }
 
     Matrix flip = new Matrix();
@@ -561,9 +553,7 @@ public class BitmapPixelTestUtil {
             bitmap.getHeight(),
             flip,
             /* filter= */ true);
-    if (SDK_INT >= 19) {
-      flippedBitmap.setPremultiplied(wasPremultiplied);
-    }
+    flippedBitmap.setPremultiplied(wasPremultiplied);
     return flippedBitmap;
   }
 
diff --git a/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/performance/EffectPlaybackTest.java b/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/performance/EffectPlaybackTest.java
index 093b60502b..bfb033b2c3 100644
--- a/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/performance/EffectPlaybackTest.java
+++ b/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/performance/EffectPlaybackTest.java
@@ -119,8 +119,6 @@ public class EffectPlaybackTest {
 
     @Test
     public void exoplayerEffectsPreviewTest_ensuresFirstFrameRendered() throws Exception {
-      assumeTrue(Util.SDK_INT >= 18);
-
       String testId =
           Util.formatInvariant(
               "exoplayerEffectsPreviewTest_withPlayWhenReady[%b]_ensuresFirstFrameRendered",
@@ -202,7 +200,6 @@ public class EffectPlaybackTest {
           "This test should run on real devices because OpenGL to ImageReader rendering is not"
               + " always reliable on emulators.",
           !Util.isRunningOnEmulator());
-      assumeTrue(Util.SDK_INT >= 18);
 
       ArrayList<BitmapPixelTestUtil.ImageBuffer> readImageBuffers = new ArrayList<>();
       AtomicInteger renderedFramesCount = new AtomicInteger();