diff --git a/library/ui-styles/src/debug/java/im/vector/lib/ui/styles/debug/DebugMaterialThemeActivity.kt b/library/ui-styles/src/debug/java/im/vector/lib/ui/styles/debug/DebugMaterialThemeActivity.kt
index f25303c17c..7175577247 100644
--- a/library/ui-styles/src/debug/java/im/vector/lib/ui/styles/debug/DebugMaterialThemeActivity.kt
+++ b/library/ui-styles/src/debug/java/im/vector/lib/ui/styles/debug/DebugMaterialThemeActivity.kt
@@ -50,11 +50,15 @@ abstract class DebugMaterialThemeActivity : AppCompatActivity() {
         }
 
         views.debugShowDialog.setOnClickListener {
-            showTestDialog(false)
+            showTestDialog(0)
         }
 
         views.debugShowDialogDestructive.setOnClickListener {
-            showTestDialog(true)
+            showTestDialog(R.style.ThemeOverlay_Vector_MaterialAlertDialog_Destructive)
+        }
+
+        views.debugShowDialogNegativeDestructive.setOnClickListener {
+            showTestDialog(R.style.ThemeOverlay_Vector_MaterialAlertDialog_NegativeDestructive)
         }
 
         views.debugShowBottomSheet.setOnClickListener {
@@ -62,8 +66,8 @@ abstract class DebugMaterialThemeActivity : AppCompatActivity() {
         }
     }
 
-    private fun showTestDialog(destructive: Boolean) {
-        MaterialAlertDialogBuilder(this, if (destructive) R.style.ThemeOverlay_Vector_MaterialAlertDialog_Destructive else 0)
+    private fun showTestDialog(theme: Int) {
+        MaterialAlertDialogBuilder(this, theme)
                 .setTitle("Dialog title")
                 .setMessage("Dialog content")
                 .setIcon(R.drawable.ic_debug_icon)
diff --git a/library/ui-styles/src/debug/res/layout/activity_debug_material_theme.xml b/library/ui-styles/src/debug/res/layout/activity_debug_material_theme.xml
index 356bf9aaf0..e6d4404f2d 100644
--- a/library/ui-styles/src/debug/res/layout/activity_debug_material_theme.xml
+++ b/library/ui-styles/src/debug/res/layout/activity_debug_material_theme.xml
@@ -459,6 +459,13 @@
                     android:layout_gravity="center_horizontal"
                     android:text="Show Dialog Destructive" />
 
+                <Button
+                    android:id="@+id/debugShowDialogNegativeDestructive"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_horizontal"
+                    android:text="Show Dialog Neg Destructive" />
+
                 <Button
                     android:id="@+id/debugShowBottomSheet"
                     android:layout_width="wrap_content"
diff --git a/library/ui-styles/src/main/res/values/styles_alert_dialog.xml b/library/ui-styles/src/main/res/values/styles_alert_dialog.xml
index e4ef58ffcb..071a546fb3 100644
--- a/library/ui-styles/src/main/res/values/styles_alert_dialog.xml
+++ b/library/ui-styles/src/main/res/values/styles_alert_dialog.xml
@@ -7,6 +7,10 @@
         <item name="buttonBarPositiveButtonStyle">@style/Widget.Vector.Button.TextButton.Dialog.Destructive</item>
     </style>
 
+    <style name="ThemeOverlay.Vector.MaterialAlertDialog.NegativeDestructive">
+        <item name="buttonBarNegativeButtonStyle">@style/Widget.Vector.Button.TextButton.Dialog.Destructive</item>
+    </style>
+
     <style name="Widget.Vector.Button.TextButton.Dialog" parent="Widget.MaterialComponents.Button.TextButton.Dialog" />
 
     <style name="Widget.Vector.Button.TextButton.Dialog.Destructive">
diff --git a/vector/src/main/java/im/vector/app/core/dialogs/Extensions.kt b/vector/src/main/java/im/vector/app/core/dialogs/Extensions.kt
deleted file mode 100644
index 56544f929e..0000000000
--- a/vector/src/main/java/im/vector/app/core/dialogs/Extensions.kt
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright 2019 New Vector Ltd
- *
- * 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 im.vector.app.core.dialogs
-
-import androidx.annotation.AttrRes
-import androidx.appcompat.app.AlertDialog
-import im.vector.app.R
-import im.vector.app.features.themes.ThemeUtils
-
-fun AlertDialog.withColoredButton(whichButton: Int, @AttrRes color: Int = R.attr.colorError): AlertDialog {
-    getButton(whichButton)?.setTextColor(ThemeUtils.getColor(context, color))
-    return this
-}
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/RoomDetailFragment.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/RoomDetailFragment.kt
index 8307e93576..f95b0b8516 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/RoomDetailFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/RoomDetailFragment.kt
@@ -18,7 +18,6 @@ package im.vector.app.features.home.room.detail
 
 import android.annotation.SuppressLint
 import android.app.Activity
-import android.content.DialogInterface
 import android.content.Intent
 import android.content.res.Configuration
 import android.graphics.Color
@@ -75,7 +74,6 @@ import com.vanniktech.emoji.EmojiPopup
 import im.vector.app.R
 import im.vector.app.core.dialogs.ConfirmationDialogBuilder
 import im.vector.app.core.dialogs.GalleryOrCameraDialogHelper
-import im.vector.app.core.dialogs.withColoredButton
 import im.vector.app.core.epoxy.LayoutManagerStateRestorer
 import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.exhaustive
@@ -1410,7 +1408,7 @@ class RoomDetailFragment @Inject constructor(
             is RoomDetailAction.ReportContent             -> {
                 when {
                     data.spam          -> {
-                        MaterialAlertDialogBuilder(requireActivity())
+                        MaterialAlertDialogBuilder(requireActivity(), R.style.ThemeOverlay_Vector_MaterialAlertDialog_NegativeDestructive)
                                 .setTitle(R.string.content_reported_as_spam_title)
                                 .setMessage(R.string.content_reported_as_spam_content)
                                 .setPositiveButton(R.string.ok, null)
@@ -1418,10 +1416,9 @@ class RoomDetailFragment @Inject constructor(
                                     roomDetailViewModel.handle(RoomDetailAction.IgnoreUser(data.senderId))
                                 }
                                 .show()
-                                .withColoredButton(DialogInterface.BUTTON_NEGATIVE)
                     }
                     data.inappropriate -> {
-                        MaterialAlertDialogBuilder(requireActivity())
+                        MaterialAlertDialogBuilder(requireActivity(), R.style.ThemeOverlay_Vector_MaterialAlertDialog_NegativeDestructive)
                                 .setTitle(R.string.content_reported_as_inappropriate_title)
                                 .setMessage(R.string.content_reported_as_inappropriate_content)
                                 .setPositiveButton(R.string.ok, null)
@@ -1429,10 +1426,9 @@ class RoomDetailFragment @Inject constructor(
                                     roomDetailViewModel.handle(RoomDetailAction.IgnoreUser(data.senderId))
                                 }
                                 .show()
-                                .withColoredButton(DialogInterface.BUTTON_NEGATIVE)
                     }
                     else               -> {
-                        MaterialAlertDialogBuilder(requireActivity())
+                        MaterialAlertDialogBuilder(requireActivity(), R.style.ThemeOverlay_Vector_MaterialAlertDialog_NegativeDestructive)
                                 .setTitle(R.string.content_reported_title)
                                 .setMessage(R.string.content_reported_content)
                                 .setPositiveButton(R.string.ok, null)
@@ -1440,7 +1436,6 @@ class RoomDetailFragment @Inject constructor(
                                     roomDetailViewModel.handle(RoomDetailAction.IgnoreUser(data.senderId))
                                 }
                                 .show()
-                                .withColoredButton(DialogInterface.BUTTON_NEGATIVE)
                     }
                 }
             }
@@ -1502,7 +1497,7 @@ class RoomDetailFragment @Inject constructor(
                 .subscribe { managed ->
                     if (!managed) {
                         if (title.isValidUrl() && url.isValidUrl() && URL(title).host != URL(url).host) {
-                            MaterialAlertDialogBuilder(requireActivity())
+                            MaterialAlertDialogBuilder(requireActivity(), R.style.ThemeOverlay_Vector_MaterialAlertDialog_NegativeDestructive)
                                     .setTitle(R.string.external_link_confirmation_title)
                                     .setMessage(
                                             getString(R.string.external_link_confirmation_message, title, url)
@@ -1515,7 +1510,6 @@ class RoomDetailFragment @Inject constructor(
                                     }
                                     .setNegativeButton(R.string.cancel, null)
                                     .show()
-                                    .withColoredButton(DialogInterface.BUTTON_NEGATIVE)
                         } else {
                             // Open in external browser, in a new Tab
                             openUrlInExternalBrowser(requireContext(), url)
@@ -1868,7 +1862,7 @@ class RoomDetailFragment @Inject constructor(
     }
 
     private fun askConfirmationToIgnoreUser(senderId: String) {
-        MaterialAlertDialogBuilder(requireContext())
+        MaterialAlertDialogBuilder(requireContext(), R.style.ThemeOverlay_Vector_MaterialAlertDialog_Destructive)
                 .setTitle(R.string.room_participants_action_ignore_title)
                 .setMessage(R.string.room_participants_action_ignore_prompt_msg)
                 .setNegativeButton(R.string.cancel, null)
@@ -1876,7 +1870,6 @@ class RoomDetailFragment @Inject constructor(
                     roomDetailViewModel.handle(RoomDetailAction.IgnoreUser(senderId))
                 }
                 .show()
-                .withColoredButton(DialogInterface.BUTTON_POSITIVE)
     }
 
     /**
diff --git a/vector/src/main/java/im/vector/app/features/home/room/list/RoomListFragment.kt b/vector/src/main/java/im/vector/app/features/home/room/list/RoomListFragment.kt
index 02c89c09dc..3c08793fa4 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/list/RoomListFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/list/RoomListFragment.kt
@@ -16,7 +16,6 @@
 
 package im.vector.app.features.home.room.list
 
-import android.content.DialogInterface
 import android.os.Bundle
 import android.os.Parcelable
 import android.view.LayoutInflater
@@ -34,7 +33,6 @@ import com.airbnb.mvrx.fragmentViewModel
 import com.airbnb.mvrx.withState
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import im.vector.app.R
-import im.vector.app.core.dialogs.withColoredButton
 import im.vector.app.core.epoxy.LayoutManagerStateRestorer
 import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.exhaustive
@@ -386,7 +384,7 @@ class RoomListFragment @Inject constructor(
                 append(getString(R.string.room_participants_leave_private_warning))
             }
         }
-        MaterialAlertDialogBuilder(requireContext())
+        MaterialAlertDialogBuilder(requireContext(), if (isPublicRoom) 0 else R.style.ThemeOverlay_Vector_MaterialAlertDialog_Destructive)
                 .setTitle(R.string.room_participants_leave_prompt_title)
                 .setMessage(message)
                 .setPositiveButton(R.string.leave) { _, _ ->
@@ -394,11 +392,6 @@ class RoomListFragment @Inject constructor(
                 }
                 .setNegativeButton(R.string.cancel, null)
                 .show()
-                .apply {
-                    if (!isPublicRoom) {
-                        withColoredButton(DialogInterface.BUTTON_POSITIVE)
-                    }
-                }
     }
 
     override fun invalidate() = withState(roomListViewModel) { state ->
diff --git a/vector/src/main/java/im/vector/app/features/roomprofile/RoomProfileFragment.kt b/vector/src/main/java/im/vector/app/features/roomprofile/RoomProfileFragment.kt
index f9324ad3e2..9ebca6164a 100644
--- a/vector/src/main/java/im/vector/app/features/roomprofile/RoomProfileFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/roomprofile/RoomProfileFragment.kt
@@ -17,7 +17,6 @@
 
 package im.vector.app.features.roomprofile
 
-import android.content.DialogInterface
 import android.os.Bundle
 import android.os.Parcelable
 import android.view.LayoutInflater
@@ -33,7 +32,6 @@ import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import im.vector.app.R
 import im.vector.app.core.animations.AppBarStateChangeListener
 import im.vector.app.core.animations.MatrixItemAppBarStateChangeListener
-import im.vector.app.core.dialogs.withColoredButton
 import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.configureWith
 import im.vector.app.core.extensions.copyOnLongClick
@@ -268,7 +266,7 @@ class RoomProfileFragment @Inject constructor(
                 append(getString(R.string.room_participants_leave_private_warning))
             }
         }
-        MaterialAlertDialogBuilder(requireContext())
+        MaterialAlertDialogBuilder(requireContext(), if (isPublicRoom) 0 else R.style.ThemeOverlay_Vector_MaterialAlertDialog_Destructive)
                 .setTitle(R.string.room_participants_leave_prompt_title)
                 .setMessage(message)
                 .setPositiveButton(R.string.leave) { _, _ ->
@@ -276,11 +274,6 @@ class RoomProfileFragment @Inject constructor(
                 }
                 .setNegativeButton(R.string.cancel, null)
                 .show()
-                .apply {
-                    if (!isPublicRoom) {
-                        withColoredButton(DialogInterface.BUTTON_POSITIVE)
-                    }
-                }
     }
 
     override fun onRoomAliasesClicked() {
diff --git a/vector/src/main/java/im/vector/app/features/roomprofile/alias/RoomAliasFragment.kt b/vector/src/main/java/im/vector/app/features/roomprofile/alias/RoomAliasFragment.kt
index b790e0fccf..3f429737f2 100644
--- a/vector/src/main/java/im/vector/app/features/roomprofile/alias/RoomAliasFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/roomprofile/alias/RoomAliasFragment.kt
@@ -16,7 +16,6 @@
 
 package im.vector.app.features.roomprofile.alias
 
-import android.content.DialogInterface
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -27,7 +26,6 @@ import com.airbnb.mvrx.fragmentViewModel
 import com.airbnb.mvrx.withState
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import im.vector.app.R
-import im.vector.app.core.dialogs.withColoredButton
 import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.configureWith
 import im.vector.app.core.extensions.exhaustive
@@ -133,7 +131,7 @@ class RoomAliasFragment @Inject constructor(
     }
 
     private fun unpublishAlias(alias: String) {
-        MaterialAlertDialogBuilder(requireContext())
+        MaterialAlertDialogBuilder(requireContext(), R.style.ThemeOverlay_Vector_MaterialAlertDialog_Destructive)
                 .setTitle(R.string.dialog_title_confirmation)
                 .setMessage(getString(R.string.room_alias_unpublish_confirmation, alias))
                 .setNegativeButton(R.string.cancel, null)
@@ -141,7 +139,6 @@ class RoomAliasFragment @Inject constructor(
                     viewModel.handle(RoomAliasAction.UnpublishAlias(alias))
                 }
                 .show()
-                .withColoredButton(DialogInterface.BUTTON_POSITIVE)
     }
 
     override fun toggleManualPublishForm() {
@@ -185,7 +182,7 @@ class RoomAliasFragment @Inject constructor(
     }
 
     private fun removeLocalAlias(alias: String) {
-        MaterialAlertDialogBuilder(requireContext())
+        MaterialAlertDialogBuilder(requireContext(), R.style.ThemeOverlay_Vector_MaterialAlertDialog_Destructive)
                 .setTitle(R.string.dialog_title_confirmation)
                 .setMessage(getString(R.string.room_alias_delete_confirmation, alias))
                 .setNegativeButton(R.string.cancel, null)
@@ -193,6 +190,5 @@ class RoomAliasFragment @Inject constructor(
                     viewModel.handle(RoomAliasAction.RemoveLocalAlias(alias))
                 }
                 .show()
-                .withColoredButton(DialogInterface.BUTTON_POSITIVE)
     }
 }
diff --git a/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataFragment.kt b/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataFragment.kt
index 49d1789d64..a55032e44a 100644
--- a/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/settings/devtools/AccountDataFragment.kt
@@ -16,7 +16,6 @@
 
 package im.vector.app.features.settings.devtools
 
-import android.content.DialogInterface
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -26,7 +25,6 @@ import com.airbnb.mvrx.fragmentViewModel
 import com.airbnb.mvrx.withState
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import im.vector.app.R
-import im.vector.app.core.dialogs.withColoredButton
 import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.configureWith
 import im.vector.app.core.platform.VectorBaseFragment
@@ -85,7 +83,7 @@ class AccountDataFragment @Inject constructor(
     }
 
     override fun didLongTap(data: UserAccountDataEvent) {
-        MaterialAlertDialogBuilder(requireActivity())
+        MaterialAlertDialogBuilder(requireActivity(), R.style.ThemeOverlay_Vector_MaterialAlertDialog_Destructive)
                 .setTitle(R.string.delete)
                 .setMessage(getString(R.string.delete_account_data_warning, data.type))
                 .setNegativeButton(R.string.cancel, null)
@@ -93,6 +91,5 @@ class AccountDataFragment @Inject constructor(
                     viewModel.handle(AccountDataAction.DeleteAccountData(data.type))
                 }
                 .show()
-                .withColoredButton(DialogInterface.BUTTON_POSITIVE)
     }
 }
diff --git a/vector/src/main/java/im/vector/app/features/settings/threepids/ThreePidsSettingsFragment.kt b/vector/src/main/java/im/vector/app/features/settings/threepids/ThreePidsSettingsFragment.kt
index d6b6315357..83f1bdf88e 100644
--- a/vector/src/main/java/im/vector/app/features/settings/threepids/ThreePidsSettingsFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/settings/threepids/ThreePidsSettingsFragment.kt
@@ -17,7 +17,6 @@
 package im.vector.app.features.settings.threepids
 
 import android.app.Activity
-import android.content.DialogInterface
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -27,7 +26,6 @@ import com.airbnb.mvrx.fragmentViewModel
 import com.airbnb.mvrx.withState
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import im.vector.app.R
-import im.vector.app.core.dialogs.withColoredButton
 import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.configureWith
 import im.vector.app.core.extensions.exhaustive
@@ -192,14 +190,13 @@ class ThreePidsSettingsFragment @Inject constructor(
     }
 
     override fun deleteThreePid(threePid: ThreePid) {
-        MaterialAlertDialogBuilder(requireActivity())
+        MaterialAlertDialogBuilder(requireActivity(), R.style.ThemeOverlay_Vector_MaterialAlertDialog_Destructive)
                 .setMessage(getString(R.string.settings_remove_three_pid_confirmation_content, threePid.getFormattedValue()))
                 .setPositiveButton(R.string.remove) { _, _ ->
                     viewModel.handle(ThreePidsSettingsAction.DeleteThreePid(threePid))
                 }
                 .setNegativeButton(R.string.cancel, null)
                 .show()
-                .withColoredButton(DialogInterface.BUTTON_POSITIVE)
     }
 
     override fun onBackPressed(toolbarButton: Boolean): Boolean {
diff --git a/vector/src/main/java/im/vector/app/features/signout/soft/SoftLogoutFragment.kt b/vector/src/main/java/im/vector/app/features/signout/soft/SoftLogoutFragment.kt
index 93aba7d932..7053db89ee 100644
--- a/vector/src/main/java/im/vector/app/features/signout/soft/SoftLogoutFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/signout/soft/SoftLogoutFragment.kt
@@ -16,7 +16,6 @@
 
 package im.vector.app.features.signout.soft
 
-import android.content.DialogInterface
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -25,7 +24,6 @@ import com.airbnb.mvrx.activityViewModel
 import com.airbnb.mvrx.withState
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import im.vector.app.R
-import im.vector.app.core.dialogs.withColoredButton
 import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.configureWith
 import im.vector.app.core.extensions.hideKeyboard
@@ -127,7 +125,7 @@ class SoftLogoutFragment @Inject constructor(
                 R.string.soft_logout_clear_data_dialog_content
             }
 
-            MaterialAlertDialogBuilder(requireActivity())
+            MaterialAlertDialogBuilder(requireActivity(), R.style.ThemeOverlay_Vector_MaterialAlertDialog_Destructive)
                     .setTitle(R.string.soft_logout_clear_data_dialog_title)
                     .setMessage(messageResId)
                     .setNegativeButton(R.string.cancel, null)
@@ -135,7 +133,6 @@ class SoftLogoutFragment @Inject constructor(
                         softLogoutViewModel.handle(SoftLogoutAction.ClearData)
                     }
                     .show()
-                    .withColoredButton(DialogInterface.BUTTON_POSITIVE)
         }
     }
 
diff --git a/vector/src/main/java/im/vector/app/features/spaces/SpaceSettingsMenuBottomSheet.kt b/vector/src/main/java/im/vector/app/features/spaces/SpaceSettingsMenuBottomSheet.kt
index c74dbaedbe..37c5088123 100644
--- a/vector/src/main/java/im/vector/app/features/spaces/SpaceSettingsMenuBottomSheet.kt
+++ b/vector/src/main/java/im/vector/app/features/spaces/SpaceSettingsMenuBottomSheet.kt
@@ -16,7 +16,6 @@
 
 package im.vector.app.features.spaces
 
-import android.content.DialogInterface
 import android.os.Bundle
 import android.os.Parcelable
 import android.view.LayoutInflater
@@ -28,7 +27,6 @@ import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import im.vector.app.R
 import im.vector.app.core.di.ActiveSessionHolder
 import im.vector.app.core.di.ScreenComponent
-import im.vector.app.core.dialogs.withColoredButton
 import im.vector.app.core.extensions.setTextOrHide
 import im.vector.app.core.platform.VectorBaseBottomSheetDialogFragment
 import im.vector.app.core.resources.ColorProvider
@@ -174,7 +172,7 @@ class SpaceSettingsMenuBottomSheet : VectorBaseBottomSheetDialogFragment<BottomS
                 null
             }
 
-            MaterialAlertDialogBuilder(requireContext())
+            MaterialAlertDialogBuilder(requireContext(), R.style.ThemeOverlay_Vector_MaterialAlertDialog_Destructive)
                     .setMessage(warningMessage)
                     .setTitle(getString(R.string.space_leave_prompt_msg))
                     .setPositiveButton(R.string.leave) { _, _ ->
@@ -189,7 +187,6 @@ class SpaceSettingsMenuBottomSheet : VectorBaseBottomSheetDialogFragment<BottomS
                     }
                     .setNegativeButton(R.string.cancel, null)
                     .show()
-                    .withColoredButton(DialogInterface.BUTTON_POSITIVE)
         }
     }
 
diff --git a/vector/src/main/java/im/vector/app/features/spaces/explore/SpaceDirectoryFragment.kt b/vector/src/main/java/im/vector/app/features/spaces/explore/SpaceDirectoryFragment.kt
index 0d5e64d3d7..323d8a7c87 100644
--- a/vector/src/main/java/im/vector/app/features/spaces/explore/SpaceDirectoryFragment.kt
+++ b/vector/src/main/java/im/vector/app/features/spaces/explore/SpaceDirectoryFragment.kt
@@ -16,7 +16,6 @@
 
 package im.vector.app.features.spaces.explore
 
-import android.content.DialogInterface
 import android.os.Bundle
 import android.os.Parcelable
 import android.view.LayoutInflater
@@ -30,7 +29,6 @@ import com.airbnb.mvrx.activityViewModel
 import com.airbnb.mvrx.withState
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import im.vector.app.R
-import im.vector.app.core.dialogs.withColoredButton
 import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.configureWith
 import im.vector.app.core.extensions.registerStartForActivityResult
@@ -180,7 +178,7 @@ class SpaceDirectoryFragment @Inject constructor(
                 .subscribe { managed ->
                     if (!managed) {
                         if (title.isValidUrl() && url.isValidUrl() && URL(title).host != URL(url).host) {
-                            MaterialAlertDialogBuilder(requireActivity())
+                            MaterialAlertDialogBuilder(requireActivity(), R.style.ThemeOverlay_Vector_MaterialAlertDialog_Destructive)
                                     .setTitle(R.string.external_link_confirmation_title)
                                     .setMessage(
                                             getString(R.string.external_link_confirmation_message, title, url)
@@ -193,7 +191,6 @@ class SpaceDirectoryFragment @Inject constructor(
                                     }
                                     .setNegativeButton(R.string.cancel, null)
                                     .show()
-                                    .withColoredButton(DialogInterface.BUTTON_NEGATIVE)
                         } else {
                             // Open in external browser, in a new Tab
                             openUrlInExternalBrowser(requireContext(), url)