diff --git a/images/src/org/intellij/images/ui/ThumbnailComponent.kt b/images/src/org/intellij/images/ui/ThumbnailComponent.kt
index f8da8a72d081..096027b3c76f 100644
--- a/images/src/org/intellij/images/ui/ThumbnailComponent.kt
+++ b/images/src/org/intellij/images/ui/ThumbnailComponent.kt
@@ -12,7 +12,7 @@ import javax.swing.UIManager
  * 
  * @author [Alexey Efimov](mailto:aefimov.box@gmail.com)
  */
-@Deprecated("Not needed anymore")
+@Deprecated("Not needed anymore", level = DeprecationLevel.HIDDEN)
 @ApiStatus.ScheduledForRemoval
 open class ThumbnailComponent : JComponent() {
 
diff --git a/images/src/org/intellij/images/ui/ThumbnailComponentUI.java b/images/src/org/intellij/images/ui/ThumbnailComponentUI.java
index 768eba79157e..166a44c8f3f1 100644
--- a/images/src/org/intellij/images/ui/ThumbnailComponentUI.java
+++ b/images/src/org/intellij/images/ui/ThumbnailComponentUI.java
@@ -9,6 +9,7 @@ import com.intellij.util.ui.StartupUiUtil;
 import org.intellij.images.ImagesBundle;
 import org.intellij.images.ImagesIcons;
 import org.intellij.images.editor.ImageDocument;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NonNls;
 
 import javax.swing.*;
@@ -21,6 +22,7 @@ import java.awt.image.BufferedImage;
  *
  * @author <a href="mailto:aefimov.box@gmail.com">Alexey Efimov</a>
  */
+@ApiStatus.Internal
 @Deprecated(forRemoval = true)
 public class ThumbnailComponentUI extends ComponentUI {
   private static final @NonNls String DOTS = "...";