diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 62803af57b8..e71e718af38 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2642,10 +2642,6 @@
             android:grantUriPermissions="true"
             android:exported="false"/>
 
-        <activity android:name=".sim.SimPreferenceDialog"
-            android:theme="@style/Theme.AlertDialog"
-            android:excludeFromRecents="true" />
-
         <activity
             android:name=".wifi.RequestToggleWiFiActivity"
             android:theme="@android:style/Theme.DeviceDefault.Light.Dialog.Alert"
diff --git a/res/layout/multi_sim_dialog.xml b/res/layout/multi_sim_dialog.xml
deleted file mode 100644
index d0e7df8758d..00000000000
--- a/res/layout/multi_sim_dialog.xml
+++ /dev/null
@@ -1,120 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2014 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
-         android:layout_width="wrap_content"
-         android:layout_height="wrap_content">
-
-    <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="vertical">
-
-        <LinearLayout android:id="@+id/type"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="vertical">
-
-            <TextView
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_marginTop="@dimen/sim_dialog_margin_top"
-                    android:paddingStart="@dimen/sim_content_padding"
-                    android:text="@string/sim_editor_name" />
-
-            <EditText android:id="@+id/sim_name"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:singleLine="true"
-                    android:paddingStart="@dimen/sim_content_padding"
-                    android:paddingBottom="@dimen/sim_dialog_margin_bottom"
-                    android:hint="@string/sim_name_hint"
-                    android:inputType="textNoSuggestions"
-                    android:maxLength="@integer/sim_name_length"
-                    android:textColor="@android:color/black"
-                    style="?android:attr/textAppearanceMedium" />
-
-        </LinearLayout>
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="vertical">
-
-            <TextView
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="@dimen/sim_dialog_margin_top"
-                android:paddingStart="@dimen/sim_content_padding"
-                android:text="@string/color_title" />
-
-            <Spinner
-                android:id="@+id/spinner"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:paddingStart="@dimen/sim_content_padding" />
-
-        </LinearLayout>
-
-        <LinearLayout
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="vertical">
-
-            <TextView
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_marginTop="@dimen/sim_dialog_margin_top"
-                    android:paddingStart="@dimen/sim_content_padding"
-                    android:text="@string/sim_editor_carrier" />
-
-            <TextView android:id="@+id/carrier"
-                    android:textColor="@android:color/black"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:paddingStart="@dimen/sim_content_padding"
-                    android:paddingBottom="@dimen/sim_dialog_margin_bottom"
-                    android:singleLine="true"
-                    style="?android:attr/textAppearanceMedium" />
-
-        </LinearLayout>
-
-        <LinearLayout
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="vertical">
-
-            <TextView
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_marginTop="@dimen/sim_dialog_margin_top"
-                    android:paddingStart="@dimen/sim_content_padding"
-                    android:text="@string/sim_editor_number" />
-
-            <TextView android:id="@+id/number"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:paddingBottom="@dimen/sim_dialog_margin_bottom"
-                    android:paddingStart="@dimen/sim_content_padding"
-                    android:singleLine="true"
-                    android:textColor="@android:color/black"
-                    style="?android:attr/textAppearanceMedium" />
-
-        </LinearLayout>
-
-    </LinearLayout>
-
-</ScrollView>
diff --git a/res/layout/settings_color_picker_item.xml b/res/layout/settings_color_picker_item.xml
deleted file mode 100644
index c171950d187..00000000000
--- a/res/layout/settings_color_picker_item.xml
+++ /dev/null
@@ -1,47 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2014 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="horizontal"
-    android:background="?android:attr/selectableItemBackground" >
-
-    <ImageView
-        android:id="@+id/color_icon"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:paddingRight="8dp"
-        android:paddingLeft="6dp"
-        android:paddingTop="8dp"
-        android:paddingBottom="8dp"
-        android:layout_gravity="center_vertical" />
-
-    <TextView
-        android:id="@+id/color_text"
-        android:gravity="center_vertical"
-        android:layout_height="wrap_content"
-        android:layout_width="0dp"
-        android:layout_weight="1"
-        android:paddingTop="8dp"
-        android:paddingBottom="8dp"
-        android:paddingRight="8dp"
-        android:paddingLeft="8dp"
-        android:textColor="@android:color/black"
-        style="?android:attr/textAppearanceMedium" />
-
-</LinearLayout>
\ No newline at end of file
diff --git a/src/com/android/settings/sim/SimPreferenceDialog.java b/src/com/android/settings/sim/SimPreferenceDialog.java
deleted file mode 100644
index 357d30f0147..00000000000
--- a/src/com/android/settings/sim/SimPreferenceDialog.java
+++ /dev/null
@@ -1,261 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.settings.sim;
-
-import android.app.Activity;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.res.Resources;
-import android.graphics.Paint;
-import android.graphics.drawable.ShapeDrawable;
-import android.graphics.drawable.shapes.OvalShape;
-import android.os.Bundle;
-import android.telephony.PhoneNumberUtils;
-import android.telephony.SubscriptionInfo;
-import android.telephony.SubscriptionManager;
-import android.telephony.TelephonyManager;
-import android.text.TextUtils;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.AdapterView;
-import android.widget.ArrayAdapter;
-import android.widget.EditText;
-import android.widget.ImageView;
-import android.widget.Spinner;
-import android.widget.TextView;
-
-import androidx.appcompat.app.AlertDialog;
-
-import com.android.settings.R;
-import com.android.settings.Utils;
-
-public class SimPreferenceDialog extends Activity {
-
-    private Context mContext;
-    private SubscriptionInfo mSubInfoRecord;
-    private int mSlotId;
-    private int[] mTintArr;
-    private String[] mColorStrings;
-    private int mTintSelectorPos;
-    private SubscriptionManager mSubscriptionManager;
-    AlertDialog.Builder mBuilder;
-    View mDialogLayout;
-    private final String SIM_NAME = "sim_name";
-    private final String TINT_POS = "tint_pos";
-    private static final String EXTRA_SLOT_ID = "slot_id";
-
-    @Override
-    public void onCreate(Bundle bundle) {
-        super.onCreate(bundle);
-        mContext = this;
-        final Bundle extras = getIntent().getExtras();
-        mSlotId = extras.getInt(EXTRA_SLOT_ID, -1);
-        mSubscriptionManager = SubscriptionManager.from(mContext);
-        mSubInfoRecord = mSubscriptionManager.getActiveSubscriptionInfoForSimSlotIndex(mSlotId);
-        mTintArr = mContext.getResources().getIntArray(com.android.internal.R.array.sim_colors);
-        mColorStrings = mContext.getResources().getStringArray(R.array.color_picker);
-        mTintSelectorPos = 0;
-
-        mBuilder = new AlertDialog.Builder(mContext);
-        LayoutInflater inflater = (LayoutInflater)mContext
-                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-        mDialogLayout = inflater.inflate(R.layout.multi_sim_dialog, null);
-        mBuilder.setView(mDialogLayout);
-
-        createEditDialog(bundle);
-    }
-
-    @Override
-    public void onSaveInstanceState(Bundle savedInstanceState) {
-        savedInstanceState.putInt(TINT_POS, mTintSelectorPos);
-
-        final EditText nameText = (EditText)mDialogLayout.findViewById(R.id.sim_name);
-        savedInstanceState.putString(SIM_NAME, nameText.getText().toString());
-
-        super.onSaveInstanceState(savedInstanceState);
-
-    }
-
-    @Override
-    public void onRestoreInstanceState(Bundle savedInstanceState) {
-        super.onRestoreInstanceState(savedInstanceState);
-
-        int pos = savedInstanceState.getInt(TINT_POS);
-        final Spinner tintSpinner = (Spinner) mDialogLayout.findViewById(R.id.spinner);
-        tintSpinner.setSelection(pos);
-        mTintSelectorPos = pos;
-
-        EditText nameText = (EditText)mDialogLayout.findViewById(R.id.sim_name);
-        nameText.setText(savedInstanceState.getString(SIM_NAME));
-        Utils.setEditTextCursorPosition(nameText);
-    }
-
-    private void createEditDialog(Bundle bundle) {
-        final Resources res = mContext.getResources();
-        EditText nameText = (EditText)mDialogLayout.findViewById(R.id.sim_name);
-        nameText.setText(mSubInfoRecord.getDisplayName());
-        Utils.setEditTextCursorPosition(nameText);
-        final Spinner tintSpinner = (Spinner) mDialogLayout.findViewById(R.id.spinner);
-        SelectColorAdapter adapter = new SelectColorAdapter(mContext,
-                R.layout.settings_color_picker_item, mColorStrings);
-        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
-        tintSpinner.setAdapter(adapter);
-
-        for (int i = 0; i < mTintArr.length; i++) {
-            if (mTintArr[i] == mSubInfoRecord.getIconTint()) {
-                tintSpinner.setSelection(i);
-                mTintSelectorPos = i;
-                break;
-            }
-        }
-
-        tintSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
-            @Override
-            public void onItemSelected(AdapterView<?> parent, View view,
-                                       int pos, long id){
-                tintSpinner.setSelection(pos);
-                mTintSelectorPos = pos;
-            }
-
-            @Override
-            public void onNothingSelected(AdapterView<?> parent) {
-            }
-        });
-
-        final TelephonyManager tm = (TelephonyManager) mContext.getSystemService(
-                Context.TELEPHONY_SERVICE);
-        TextView numberView = (TextView)mDialogLayout.findViewById(R.id.number);
-        final String rawNumber =  tm.getLine1Number(mSubInfoRecord.getSubscriptionId());
-        if (TextUtils.isEmpty(rawNumber)) {
-            numberView.setText(res.getString(com.android.internal.R.string.unknownName));
-        } else {
-            numberView.setText(PhoneNumberUtils.formatNumber(rawNumber));
-        }
-
-        String simCarrierName = tm.getSimOperatorName(mSubInfoRecord.getSubscriptionId());
-        TextView carrierView = (TextView)mDialogLayout.findViewById(R.id.carrier);
-        carrierView.setText(!TextUtils.isEmpty(simCarrierName) ? simCarrierName :
-                mContext.getString(com.android.internal.R.string.unknownName));
-
-        mBuilder.setTitle(String.format(res.getString(R.string.sim_editor_title),
-                (mSubInfoRecord.getSimSlotIndex() + 1)));
-
-        mBuilder.setPositiveButton(R.string.okay, new DialogInterface.OnClickListener() {
-            @Override
-            public void onClick(DialogInterface dialog, int whichButton) {
-                final EditText nameText = (EditText)mDialogLayout.findViewById(R.id.sim_name);
-                Utils.setEditTextCursorPosition(nameText);
-                String displayName = nameText.getText().toString();
-                int subId = mSubInfoRecord.getSubscriptionId();
-                mSubInfoRecord.setDisplayName(displayName);
-                mSubscriptionManager.setDisplayName(displayName, subId,
-                        SubscriptionManager.NAME_SOURCE_USER_INPUT);
-
-                final int tintSelected = tintSpinner.getSelectedItemPosition();
-                int subscriptionId = mSubInfoRecord.getSubscriptionId();
-                int tint = mTintArr[tintSelected];
-                mSubInfoRecord.setIconTint(tint);
-                mSubscriptionManager.setIconTint(tint, subscriptionId);
-                dialog.dismiss();
-            }
-        });
-
-        mBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
-            @Override
-            public void onClick(DialogInterface dialog, int whichButton) {
-                dialog.dismiss();
-            }
-        });
-
-        mBuilder.setOnDismissListener(new DialogInterface.OnDismissListener() {
-           @Override
-           public void onDismiss(DialogInterface dialogInListener) {
-               finish();
-           }
-        });
-
-        mBuilder.create().show();
-    }
-
-    private class SelectColorAdapter extends ArrayAdapter<CharSequence> {
-        private Context mContext;
-        private int mResId;
-
-        public SelectColorAdapter(
-                Context context, int resource, String[] arr) {
-            super(context, resource, arr);
-            mContext = context;
-            mResId = resource;
-        }
-
-        @Override
-        public View getView(int position, View convertView, ViewGroup parent) {
-            LayoutInflater inflater = (LayoutInflater)
-                    mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-
-            View rowView;
-            final ViewHolder holder;
-            Resources res = mContext.getResources();
-            int iconSize = res.getDimensionPixelSize(R.dimen.color_swatch_size);
-            int strokeWidth = res.getDimensionPixelSize(R.dimen.color_swatch_stroke_width);
-
-            if (convertView == null) {
-                // Cache views for faster scrolling
-                rowView = inflater.inflate(mResId, null);
-                holder = new ViewHolder();
-                ShapeDrawable drawable = new ShapeDrawable(new OvalShape());
-                drawable.setIntrinsicHeight(iconSize);
-                drawable.setIntrinsicWidth(iconSize);
-                drawable.getPaint().setStrokeWidth(strokeWidth);
-                holder.label = (TextView) rowView.findViewById(R.id.color_text);
-                holder.icon = (ImageView) rowView.findViewById(R.id.color_icon);
-                holder.swatch = drawable;
-                rowView.setTag(holder);
-            } else {
-                rowView = convertView;
-                holder = (ViewHolder) rowView.getTag();
-            }
-
-            holder.label.setText(getItem(position));
-            holder.swatch.getPaint().setColor(mTintArr[position]);
-            holder.swatch.getPaint().setStyle(Paint.Style.FILL_AND_STROKE);
-            holder.icon.setVisibility(View.VISIBLE);
-            holder.icon.setImageDrawable(holder.swatch);
-            return rowView;
-        }
-
-        @Override
-        public View getDropDownView(int position, View convertView, ViewGroup parent) {
-            View rowView = getView(position, convertView, parent);
-            final ViewHolder holder = (ViewHolder) rowView.getTag();
-
-            if (mTintSelectorPos == position) {
-                holder.swatch.getPaint().setStyle(Paint.Style.FILL_AND_STROKE);
-            } else {
-                holder.swatch.getPaint().setStyle(Paint.Style.STROKE);
-            }
-            holder.icon.setVisibility(View.VISIBLE);
-            return rowView;
-        }
-
-        private class ViewHolder {
-            TextView label;
-            ImageView icon;
-            ShapeDrawable swatch;
-        }
-    }
-}