diff --git a/core/java/android/app/Notification.java b/core/java/android/app/Notification.java
index e8c73dc9a076a..4e140a8d3f45d 100644
--- a/core/java/android/app/Notification.java
+++ b/core/java/android/app/Notification.java
@@ -3744,7 +3744,6 @@ public class Notification implements Parcelable
         private int mTextColorsAreForBackground = COLOR_INVALID;
         private int mPrimaryTextColor = COLOR_INVALID;
         private int mSecondaryTextColor = COLOR_INVALID;
-        private boolean mRebuildStyledRemoteViews;
 
         private boolean mTintActionButtons;
         private boolean mInNightMode;
@@ -5812,8 +5811,7 @@ public class Notification implements Parcelable
         }
 
         private boolean useExistingRemoteView() {
-            return mStyle == null || (!mStyle.displayCustomViewInline()
-                    && !mRebuildStyledRemoteViews);
+            return mStyle == null || !mStyle.displayCustomViewInline();
         }
 
         /**
@@ -6703,18 +6701,6 @@ public class Notification implements Parcelable
                     && targetSdkVersion < Build.VERSION_CODES.O;
         }
 
-        /**
-         * Forces all styled remoteViews to be built from scratch and not use any cached
-         * RemoteViews.
-         * This is needed for legacy apps that are baking in their remoteviews into the
-         * notification.
-         *
-         * @hide
-         */
-        public void setRebuildStyledRemoteViews(boolean rebuild) {
-            mRebuildStyledRemoteViews = rebuild;
-        }
-
         /**
          * Get the text that should be displayed in the statusBar when heads upped. This is
          * usually just the app name, but may be different depending on the style.
@@ -8393,27 +8379,6 @@ public class Notification implements Parcelable
             return true;
         }
 
-        private CharSequence createConversationTitleFromMessages() {
-            ArraySet<CharSequence> names = new ArraySet<>();
-            for (int i = 0; i < mMessages.size(); i++) {
-                Message m = mMessages.get(i);
-                Person sender = m.getSenderPerson();
-                if (sender != null) {
-                    names.add(sender.getName());
-                }
-            }
-            SpannableStringBuilder title = new SpannableStringBuilder();
-            int size = names.size();
-            for (int i = 0; i < size; i++) {
-                CharSequence name = names.valueAt(i);
-                if (!TextUtils.isEmpty(title)) {
-                    title.append(", ");
-                }
-                title.append(BidiFormatter.getInstance().unicodeWrap(name));
-            }
-            return title;
-        }
-
         /**
          * @hide
          */
@@ -8427,11 +8392,6 @@ public class Notification implements Parcelable
             return remoteViews;
         }
 
-        private static TextAppearanceSpan makeFontColorSpan(int color) {
-            return new TextAppearanceSpan(null, 0, 0,
-                    ColorStateList.valueOf(color), null);
-        }
-
         public static final class Message {
             /** @hide */
             public static final String KEY_TEXT = "text";
@@ -9893,23 +9853,6 @@ public class Notification implements Parcelable
             // Comparison done for all custom RemoteViews, independent of style
             return false;
         }
-
-        private RemoteViews buildIntoRemoteView(RemoteViews template, RemoteViews customContent,
-                boolean headerless) {
-            if (customContent != null) {
-                // Need to clone customContent before adding, because otherwise it can no longer be
-                // parceled independently of remoteViews.
-                customContent = customContent.clone();
-                customContent.overrideTextColors(mBuilder.getPrimaryTextColor(mBuilder.mParams));
-                if (headerless) {
-                    template.removeFromParent(R.id.notification_top_line);
-                }
-                template.removeAllViews(R.id.notification_main_column);
-                template.addView(R.id.notification_main_column, customContent);
-                template.addFlags(RemoteViews.FLAG_REAPPLY_DISALLOWED);
-            }
-            return template;
-        }
     }
 
     /**