diff --git a/app/src/main/java/org/mozilla/fenix/settings/CustomizationFragment.kt b/app/src/main/java/org/mozilla/fenix/settings/CustomizationFragment.kt
index 223266e8e..32f12b7f2 100644
--- a/app/src/main/java/org/mozilla/fenix/settings/CustomizationFragment.kt
+++ b/app/src/main/java/org/mozilla/fenix/settings/CustomizationFragment.kt
@@ -53,8 +53,6 @@ class CustomizationFragment : PreferenceFragmentCompat() {
         bindAutoBatteryTheme()
         setupRadioGroups()
         setupToolbarCategory()
-        setupTabsTrayCategory()
-        setupFabCategory()
         setupHomeCategory()
         setupGesturesCategory()
         setupAddonsCustomizationCategory()
@@ -148,76 +146,6 @@ class CustomizationFragment : PreferenceFragmentCompat() {
         addToRadioGroup(topPreference, bottomPreference)
     }
 
-    private fun setupTabsTrayCategory() {
-        requirePreference<SwitchPreference>(R.string.pref_key_tabs_tray_top_tray).apply {
-            isChecked = context.settings().useTopTabsTray
-            onPreferenceChangeListener = SharedPreferenceUpdater()
-        }
-
-        requirePreference<SwitchPreference>(R.string.pref_key_use_fullscreen_tabs_screen).apply {
-            isChecked = context.settings().useFullScreenTabScreen
-            onPreferenceChangeListener = SharedPreferenceUpdater()
-        }
-
-        val reverseOrderPref = requirePreference<SwitchPreference>(
-                R.string.pref_key_tabs_tray_reverse_tab_order).apply {
-            if (context.settings().enableCompactTabs) {
-                isChecked = false
-                isEnabled = false
-            } else {
-                isChecked = context.settings().reverseTabOrderInTabsTray
-                isEnabled = true
-            }
-            onPreferenceChangeListener = SharedPreferenceUpdater()
-        }
-
-        requirePreference<SwitchPreference>(R.string.pref_key_tabs_tray_compact_tab).apply {
-            isChecked = context.settings().enableCompactTabs
-
-            onPreferenceChangeListener = Preference.OnPreferenceChangeListener { preference, newValue ->
-                val newValueBoolean = newValue as Boolean
-                preference.context.settings().preferences.edit {
-                    putBoolean(preference.key, newValueBoolean)
-                    if (newValueBoolean) {
-                        reverseOrderPref.isChecked = false
-                        putBoolean(getString(R.string.pref_key_tabs_tray_reverse_tab_order), false)
-                    }
-                    reverseOrderPref.isEnabled = !newValueBoolean
-                }
-                true
-            }
-        }
-    }
-
-    private fun setupFabCategory() {
-        val fabPositionTop = requirePreference<SwitchPreference>(R.string.pref_key_tabs_tray_fab_top_position).apply {
-            if (context.settings().useNewTabFloatingActionButton) {
-                isChecked = context.settings().placeNewTabFloatingActionButtonAtTop
-                isEnabled = true
-            } else {
-                isChecked = false
-                isEnabled = false
-            }
-            onPreferenceChangeListener = SharedPreferenceUpdater()
-        }
-
-        requirePreference<SwitchPreference>(R.string.pref_key_tabs_tray_use_fab).apply {
-            isChecked = context.settings().useNewTabFloatingActionButton
-            onPreferenceChangeListener = Preference.OnPreferenceChangeListener { preference, newValue ->
-                val newValueBoolean = newValue as Boolean
-                preference.context.settings().preferences.edit {
-                    putBoolean(preference.key, newValueBoolean)
-                    if (!newValueBoolean) {
-                        fabPositionTop.isChecked = false
-                        putBoolean(getString(R.string.pref_key_tabs_tray_fab_top_position), false)
-                    }
-                    fabPositionTop.isEnabled = newValueBoolean
-                }
-                true
-            }
-        }
-    }
-
     private fun setupHomeCategory() {
         requirePreference<SwitchPreference>(R.string.pref_key_enable_top_frecent_sites).apply {
             isChecked = context.settings().showTopFrecentSites
diff --git a/app/src/main/java/org/mozilla/fenix/utils/Settings.kt b/app/src/main/java/org/mozilla/fenix/utils/Settings.kt
index 78c074d41..92c3e3d3d 100644
--- a/app/src/main/java/org/mozilla/fenix/utils/Settings.kt
+++ b/app/src/main/java/org/mozilla/fenix/utils/Settings.kt
@@ -923,39 +923,6 @@ class Settings(private val appContext: Context) : PreferencesHolder {
         BuildConfig.AMO_COLLECTION
     )
 
-    var enableCompactTabs by booleanPreference(
-        appContext.getPreferenceKey(R.string.pref_key_tabs_tray_compact_tab),
-        default = true
-    )
-
-    val useTopTabsTray by booleanPreference(
-        appContext.getPreferenceKey(R.string.pref_key_tabs_tray_top_tray),
-        default = false
-    )
-
-    var useFullScreenTabScreen by booleanPreference(
-        appContext.getPreferenceKey(R.string.pref_key_use_fullscreen_tabs_screen),
-        default = true
-    )
-
-    val shouldUseFennecStyleTabsScreen: Boolean
-        get() = enableCompactTabs && useFullScreenTabScreen
-
-    var reverseTabOrderInTabsTray by booleanPreference(
-        appContext.getPreferenceKey(R.string.pref_key_tabs_tray_reverse_tab_order),
-        default = false
-    )
-
-    var useNewTabFloatingActionButton by booleanPreference(
-        appContext.getPreferenceKey(R.string.pref_key_tabs_tray_use_fab),
-        default = false
-    )
-
-    var placeNewTabFloatingActionButtonAtTop by booleanPreference(
-        appContext.getPreferenceKey(R.string.pref_key_tabs_tray_fab_top_position),
-        default = false
-    )
-
     private var savedLoginsSortingStrategyString by stringPreference(
         appContext.getPreferenceKey(R.string.pref_key_saved_logins_sorting_strategy),
         default = SavedLoginsSortingStrategyMenu.Item.AlphabeticallySort.strategyString
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 2736ec8a2..d66fb8dc0 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -74,9 +74,6 @@
     <dimen name="bottom_sheet_handle_height">3dp</dimen>
     <dimen name="bottom_sheet_handle_top_margin">8dp</dimen>
 
-    <!-- Top Sheet Fragment card -->
-    <dimen name="top_sheet_handle_bottom_margin">8dp</dimen>
-
 
     <!-- Browser Toolbar -->
     <dimen name="browser_toolbar_height">56dp</dimen>
@@ -176,10 +173,6 @@
 
     <!-- Tabs Tray -->
     <dimen name="tab_tray_top_offset">40dp</dimen>
-    <dimen name="tab_tray_thumbnail_width">125dp</dimen>
-    <dimen name="tab_tray_thumbnail_height">130dp</dimen>
-    <dimen name="tab_tray_thumbnail_width_original">92dp</dimen>
-    <dimen name="tab_tray_thumbnail_height_original">69dp</dimen>
     <dimen name="tab_tray_tab_item_height">88dp</dimen>
     <dimen name="tab_tray_list_item_thumbnail_width">92dp</dimen>
     <dimen name="tab_tray_list_item_thumbnail_height">72dp</dimen>
@@ -191,7 +184,6 @@
     <dimen name="tab_tray_favicon_border_radius">4dp</dimen>
     <dimen name="tab_tray_multiselect_handle_height">11dp</dimen>
     <dimen name="tab_tray_multiselect_handle_top_margin">0dp</dimen>
-    <dimen name="tab_tray_multiselect_handle_bottom_margin">0dp</dimen>
     <dimen name="tab_tray_new_collection_padding_start">24dp</dimen>
     <dimen name="tab_tray_new_collection_drawable_padding">28dp</dimen>
 
diff --git a/app/src/main/res/values/preference_keys.xml b/app/src/main/res/values/preference_keys.xml
index b3c76ee19..37f7ac984 100644
--- a/app/src/main/res/values/preference_keys.xml
+++ b/app/src/main/res/values/preference_keys.xml
@@ -135,19 +135,6 @@
     <string name="pref_key_swipe_toolbar_switch_tabs" translatable="false">pref_key_swipe_toolbar_switch_tabs</string>
     <string name="pref_key_swipe_toolbar_show_tabs" translatable="false">pref_key_swipe_toolbar_show_tabs</string>
     
-    <!-- Tabs Tray Customization Settings -->
-    <string name="pref_tabs_tray_settings_category" translatable="false">pref_tabs_tray_settings_category</string>
-    <string name="pref_key_tabs_tray_compact_tab" translatable="false">pref_key_tabs_tray_compact_tab</string>
-    <string name="pref_key_tabs_tray_top_tray" translatable="false">pref_key_tabs_tray_top_tray</string>
-    <string name="pref_key_use_fullscreen_tabs_screen" translatable="false">pref_key_use_fullscreen_tabs_screen</string>
-    <string name="pref_key_use_fenix_tabs_tray" translatable="false">pref_key_use_fenix_tabs_tray</string>
-    <string name="pref_key_tabs_tray_reverse_tab_order" translatable="false">pref_key_tabs_tray_reverse_tab_order</string>
-
-    <!-- Tabs Tray FAB Customization Settings -->
-    <string name="pref_tabs_tray_fab_settings_category" translatable="false">pref_tabs_tray_fab_settings_category</string>
-    <string name="pref_key_tabs_tray_use_fab" translatable="false">pref_key_tabs_tray_use_fab</string>
-    <string name="pref_key_tabs_tray_fab_top_position" translatable="false">pref_key_tabs_tray_fab_top_position</string>
-
     <!-- Add-ons Source Customization Settings -->
     <string name="pref_addons_settings_category" translatable="false">pref_addons_settings_category</string>
     <string name="pref_key_addons_custom_account" translatable="false">pref_key_addons_custom_account</string>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index f785a4476..9a75ff457 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -274,11 +274,6 @@
         <item name="android:windowExitAnimation">@anim/fade_out</item>
     </style>
 
-    <style name="TopTabTrayAnimation">
-        <item name="android:windowEnterAnimation">@anim/fade_in_down</item>
-        <item name="android:windowExitAnimation">@anim/fade_out_up</item>
-    </style>
-
     <!-- UI button styling -->
     <style name="NeutralButton" parent="Widget.MaterialComponents.Button.TextButton">
         <item name="iconTint">@color/button_text_color</item>
@@ -598,24 +593,6 @@
 
     <style name="TabTrayDialogStyle" parent="TabTrayDialogStyleBase" />
 
-    <!-- Stuff to make the top sheet with round bottom borders -->
-    <style name="TopSheetShapeAppearance" parent="ShapeAppearance.MaterialComponents.LargeComponent">
-        <item name="cornerFamily">rounded</item>
-        <item name="cornerSizeBottomLeft">16dp</item>
-        <item name="cornerSizeBottomRight">16dp</item>
-        <item name="colorSurface">@color/photonPurple50</item>
-        <item name="android:backgroundTint">@color/photonPurple50</item>
-        <item name="android:colorBackground">@color/photonPurple50</item>
-    </style>
-
-    <style name="TopSheetModal" parent="Widget.Design.BottomSheet.Modal">
-        <item name="shapeAppearance">@style/TopSheetShapeAppearance</item>
-        <item name="behavior_fitToContents">false</item>
-        <item name="behavior_expandedOffset">80dp</item>
-        <item name="behavior_skipCollapsed">false</item>
-        <item name="behavior_halfExpandedRatio">0.4</item>
-    </style>
-
     <!-- Stuff to make the bottom sheet with round top borders -->
     <style name="BottomSheetShapeAppearance" parent="ShapeAppearance.MaterialComponents.LargeComponent">
         <item name="cornerFamily">rounded</item>
diff --git a/app/src/main/res/xml/customization_preferences.xml b/app/src/main/res/xml/customization_preferences.xml
index 5cdddbad5..ef7645dcf 100644
--- a/app/src/main/res/xml/customization_preferences.xml
+++ b/app/src/main/res/xml/customization_preferences.xml
@@ -48,48 +48,6 @@
             android:title="@string/preferences_strip_url_title" />
     </androidx.preference.PreferenceCategory>
 
-    <androidx.preference.PreferenceCategory
-        android:key="@string/pref_tabs_tray_settings_category"
-        android:layout="@layout/preference_cat_style"
-        android:title="@string/preferences_tabs_tray"
-        app:allowDividerAbove="true"
-        app:iconSpaceReserved="false">
-        <SwitchPreference
-            android:defaultValue="true"
-            android:key="@string/pref_key_tabs_tray_compact_tab"
-            android:title="@string/enable_compact_tabs" />
-        <SwitchPreference
-            android:defaultValue="false"
-            android:key="@string/pref_key_tabs_tray_top_tray"
-            android:title="@string/enable_top_tabs_tray" />
-        <SwitchPreference
-            android:defaultValue="true"
-            android:key="@string/pref_key_use_fullscreen_tabs_screen"
-            android:title="@string/use_fullscreen_tabs_screen" />
-        <SwitchPreference
-            android:defaultValue="false"
-            android:key="@string/pref_key_tabs_tray_reverse_tab_order"
-            android:title="@string/reverse_tab_order_tabs_tray"
-            android:summary="@string/reverse_tab_order_description" />
-    </androidx.preference.PreferenceCategory>
-
-    <androidx.preference.PreferenceCategory
-        android:key="@string/pref_tabs_tray_fab_settings_category"
-        android:layout="@layout/preference_cat_style"
-        android:title="@string/preferences_tabs_tray_fab"
-        app:allowDividerAbove="false"
-        app:iconSpaceReserved="false">
-        <SwitchPreference
-            android:defaultValue="false"
-            android:key="@string/pref_key_tabs_tray_use_fab"
-            android:title="@string/enable_fab_tabs_tray" />
-        <SwitchPreference
-            android:defaultValue="false"
-            android:key="@string/pref_key_tabs_tray_fab_top_position"
-            android:title="@string/fab_tabs_tray_top"
-            android:summary="@string/fab_tabs_tray_top_description" />
-    </androidx.preference.PreferenceCategory>
-
     <androidx.preference.PreferenceCategory
         android:layout="@layout/preference_cat_style"
         android:title="@string/preferences_home"