diff --git a/app/src/main/java/com/hippo/ehviewer/Settings.java b/app/src/main/java/com/hippo/ehviewer/Settings.java
index 99a6d67d1..ad3248514 100755
--- a/app/src/main/java/com/hippo/ehviewer/Settings.java
+++ b/app/src/main/java/com/hippo/ehviewer/Settings.java
@@ -90,8 +90,6 @@ public class Settings {
     private static final boolean DEFAULT_HIDE_HV_EVENTS = true;
     private static final String KEY_SHOW_COMMENTS = "show_gallery_comments";
     private static final boolean DEFAULT_SHOW_COMMENTS = true;
-    private static final String KEY_PREVIEW_NUM = "preview_num";
-    private static final int DEFAULT_PREVIEW_NUM = 60;
     private static final String TAG = Settings.class.getSimpleName();
     private static final String KEY_DISPLAY_NAME = "display_name";
     private static final String DEFAULT_DISPLAY_NAME = null;
@@ -423,10 +421,6 @@ public class Settings {
         putBoolean(KEY_SHOW_TAG_TRANSLATIONS, value);
     }
 
-    public static int getPreviewNum() {
-        return getInt(KEY_PREVIEW_NUM, DEFAULT_PREVIEW_NUM);
-    }
-
     public static int getDefaultCategories() {
         return getInt(KEY_DEFAULT_CATEGORIES, DEFAULT_DEFAULT_CATEGORIES);
     }
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryDetailScene.kt b/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryDetailScene.kt
index bcaf1c1e6..07ba3f033 100755
--- a/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryDetailScene.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryDetailScene.kt
@@ -690,7 +690,6 @@ class GalleryDetailScene : CollapsingToolbarScene(), View.OnClickListener, Downl
     private fun bindPreviews(gd: GalleryDetail) {
         val inflater = layoutInflater
         resourcesOrNull ?: return
-        val previewNum = Settings.getPreviewNum()
         _binding ?: return
         binding.content.previews.run {
             gridLayout.removeAllViews()
@@ -698,7 +697,7 @@ class GalleryDetailScene : CollapsingToolbarScene(), View.OnClickListener, Downl
             if (gd.previewPages <= 0 || previewSet == null || previewSet.size() == 0) {
                 previewText.setText(R.string.no_previews)
                 return
-            } else if (gd.previewPages == 1 && previewSet.size() <= previewNum) {
+            } else if (gd.previewPages == 1) {
                 previewText.setText(R.string.no_more_previews)
             } else {
                 previewText.setText(R.string.more_previews)
@@ -706,8 +705,7 @@ class GalleryDetailScene : CollapsingToolbarScene(), View.OnClickListener, Downl
             val columnWidth = Settings.getThumbSize()
             gridLayout.setColumnSize(columnWidth)
             gridLayout.setStrategy(SimpleGridAutoSpanLayout.STRATEGY_SUITABLE_SIZE)
-            val size = previewNum.coerceAtMost(previewSet.size())
-            for (i in 0 until size) {
+            for (i in 0 until previewSet.size()) {
                 val view = inflater.inflate(R.layout.item_gallery_preview, gridLayout, false)
                 gridLayout.addView(view)
                 val image = view.findViewById<LoadImageView>(R.id.image)
diff --git a/app/src/main/res/xml/eh_settings.xml b/app/src/main/res/xml/eh_settings.xml
index 0124cb53f..bc4bc2b79 100644
--- a/app/src/main/res/xml/eh_settings.xml
+++ b/app/src/main/res/xml/eh_settings.xml
@@ -146,17 +146,6 @@
         app:iconSpaceReserved="false"
         app:url="@string/settings_eh_tag_translations_source_url" />
 
-    <SeekBarPreference
-        android:defaultValue="60"
-        android:key="preview_num"
-        android:max="200"
-        android:summary="@string/settings_eh_preview_num_summary"
-        android:title="@string/settings_eh_preview_num"
-        app:iconSpaceReserved="false"
-        app:min="10"
-        app:showSeekBarValue="true"
-        app:singleLineTitle="false" />
-
     <Preference
         android:key="filter"
         android:summary="@string/settings_eh_filter_summary"