diff --git a/android/java/org/chromium/chrome/browser/settings/BraveSyncScreensPreference.java b/android/java/org/chromium/chrome/browser/settings/BraveSyncScreensPreference.java
index 8cfb0107737..e73a06c85d8 100644
--- a/android/java/org/chromium/chrome/browser/settings/BraveSyncScreensPreference.java
+++ b/android/java/org/chromium/chrome/browser/settings/BraveSyncScreensPreference.java
@@ -1063,7 +1063,7 @@ public class BraveSyncScreensPreference extends BravePreferenceFragment
 
     private void showEndDialog(String message, Runnable runWhenDismissed) {
         AlertDialog.Builder alert =
-                new AlertDialog.Builder(getActivity(), R.style.Theme_Chromium_AlertDialog);
+                new AlertDialog.Builder(getActivity(), R.style.ThemeOverlay_BrowserUI_AlertDialog);
         if (null == alert) {
             return;
         }
@@ -1082,7 +1082,8 @@ public class BraveSyncScreensPreference extends BravePreferenceFragment
     }
 
     private void deleteDeviceDialog(BraveSyncDevices.SyncDeviceInfo device) {
-        AlertDialog.Builder alert = new AlertDialog.Builder(getActivity(), R.style.Theme_Chromium_AlertDialog);
+        AlertDialog.Builder alert =
+                new AlertDialog.Builder(getActivity(), R.style.ThemeOverlay_BrowserUI_AlertDialog);
         if (null == alert) {
             return;
         }
diff --git a/android/java/org/chromium/chrome/browser/settings/BraveWalletAutoLockPreferences.java b/android/java/org/chromium/chrome/browser/settings/BraveWalletAutoLockPreferences.java
index 4924cbdb72b..68c8bfc734c 100644
--- a/android/java/org/chromium/chrome/browser/settings/BraveWalletAutoLockPreferences.java
+++ b/android/java/org/chromium/chrome/browser/settings/BraveWalletAutoLockPreferences.java
@@ -78,7 +78,7 @@ public class BraveWalletAutoLockPreferences
         };
 
         AlertDialog.Builder alert =
-                new AlertDialog.Builder(getContext(), R.style.Theme_Chromium_AlertDialog);
+                new AlertDialog.Builder(getContext(), R.style.ThemeOverlay_BrowserUI_AlertDialog);
         AlertDialog alertDialog =
                 alert.setTitle(R.string.brave_wallet_settings_autolock_option)
                         .setView(view)
diff --git a/android/java/org/chromium/chrome/browser/settings/BraveWalletResetPreference.java b/android/java/org/chromium/chrome/browser/settings/BraveWalletResetPreference.java
index 955583f01e4..b994e93284b 100644
--- a/android/java/org/chromium/chrome/browser/settings/BraveWalletResetPreference.java
+++ b/android/java/org/chromium/chrome/browser/settings/BraveWalletResetPreference.java
@@ -101,7 +101,7 @@ public class BraveWalletResetPreference
         };
 
         AlertDialog.Builder alert =
-                new AlertDialog.Builder(getContext(), R.style.Theme_Chromium_AlertDialog);
+                new AlertDialog.Builder(getContext(), R.style.ThemeOverlay_BrowserUI_AlertDialog);
         AlertDialog alertDialog =
                 alert.setTitle(R.string.brave_wallet_reset_settings_option)
                         .setView(view)
diff --git a/android/java/org/chromium/chrome/browser/settings/BraveWalletResetTxHistoryAndNoncePreference.java b/android/java/org/chromium/chrome/browser/settings/BraveWalletResetTxHistoryAndNoncePreference.java
index fb880d826d5..47719b40c6d 100644
--- a/android/java/org/chromium/chrome/browser/settings/BraveWalletResetTxHistoryAndNoncePreference.java
+++ b/android/java/org/chromium/chrome/browser/settings/BraveWalletResetTxHistoryAndNoncePreference.java
@@ -81,7 +81,7 @@ public class BraveWalletResetTxHistoryAndNoncePreference
         };
 
         AlertDialog.Builder alert =
-                new AlertDialog.Builder(getContext(), R.style.Theme_Chromium_AlertDialog);
+                new AlertDialog.Builder(getContext(), R.style.ThemeOverlay_BrowserUI_AlertDialog);
         AlertDialog alertDialog =
                 alert.setTitle(R.string.brave_wallet_clear_tx_and_nonce_setting_title)
                         .setView(view)
diff --git a/android/java/org/chromium/chrome/browser/settings/developer/BraveQAPreferences.java b/android/java/org/chromium/chrome/browser/settings/developer/BraveQAPreferences.java
index d60a8fc1438..5221456feb4 100644
--- a/android/java/org/chromium/chrome/browser/settings/developer/BraveQAPreferences.java
+++ b/android/java/org/chromium/chrome/browser/settings/developer/BraveQAPreferences.java
@@ -172,8 +172,8 @@ public class BraveQAPreferences extends BravePreferenceFragment
                     }
                 };
 
-                AlertDialog.Builder alert =
-                    new AlertDialog.Builder(getActivity(), R.style.Theme_Chromium_AlertDialog);
+                AlertDialog.Builder alert = new AlertDialog.Builder(
+                        getActivity(), R.style.ThemeOverlay_BrowserUI_AlertDialog);
                 AlertDialog.Builder alertDialog =
                     alert.setTitle("Enter Wallet restore phrase")
                     .setView(view)
@@ -253,8 +253,8 @@ public class BraveQAPreferences extends BravePreferenceFragment
             });
             input.requestFocus();
 
-            AlertDialog.Builder alert =
-                    new AlertDialog.Builder(getActivity(), R.style.Theme_Chromium_AlertDialog);
+            AlertDialog.Builder alert = new AlertDialog.Builder(
+                    getActivity(), R.style.ThemeOverlay_BrowserUI_AlertDialog);
             if (alert == null) {
                 return true;
             }
@@ -371,7 +371,7 @@ public class BraveQAPreferences extends BravePreferenceFragment
         input.requestFocus();
 
         AlertDialog.Builder alert =
-            new AlertDialog.Builder(getActivity(), R.style.Theme_Chromium_AlertDialog);
+                new AlertDialog.Builder(getActivity(), R.style.ThemeOverlay_BrowserUI_AlertDialog);
         if (alert == null) {
             return;
         }
@@ -483,10 +483,12 @@ public class BraveQAPreferences extends BravePreferenceFragment
                 }
             }
         };
-        AlertDialog.Builder alertDialog = new AlertDialog.Builder(getActivity(), R.style.Theme_Chromium_AlertDialog)
-        .setMessage(
-            "This operation requires restart. Would you like to restart application and start operation?")
-        .setPositiveButton(R.string.ok, onClickListener).setNegativeButton(R.string.cancel, onClickListener);
+        AlertDialog.Builder alertDialog =
+                new AlertDialog.Builder(getActivity(), R.style.ThemeOverlay_BrowserUI_AlertDialog)
+                        .setMessage(
+                                "This operation requires restart. Would you like to restart application and start operation?")
+                        .setPositiveButton(R.string.ok, onClickListener)
+                        .setNegativeButton(R.string.cancel, onClickListener);
         Dialog dialog = alertDialog.create();
         dialog.setCanceledOnTouchOutside(false);
         dialog.show();
diff --git a/android/java/org/chromium/chrome/browser/settings/developer/BraveRewardsDebugPreferences.java b/android/java/org/chromium/chrome/browser/settings/developer/BraveRewardsDebugPreferences.java
index 7fbee27a761..3c23872e07c 100644
--- a/android/java/org/chromium/chrome/browser/settings/developer/BraveRewardsDebugPreferences.java
+++ b/android/java/org/chromium/chrome/browser/settings/developer/BraveRewardsDebugPreferences.java
@@ -70,10 +70,12 @@ public class BraveRewardsDebugPreferences extends BravePreferenceFragment {
                 }
             }
         };
-        AlertDialog.Builder alertDialog = new AlertDialog.Builder(getActivity(), R.style.Theme_Chromium_AlertDialog)
-                .setMessage(
-                        "This operation requires restart. Would you like to restart application and start operation?")
-                .setPositiveButton(R.string.ok, onClickListener).setNegativeButton(R.string.cancel, onClickListener);
+        AlertDialog.Builder alertDialog =
+                new AlertDialog.Builder(getActivity(), R.style.ThemeOverlay_BrowserUI_AlertDialog)
+                        .setMessage(
+                                "This operation requires restart. Would you like to restart application and start operation?")
+                        .setPositiveButton(R.string.ok, onClickListener)
+                        .setNegativeButton(R.string.cancel, onClickListener);
         Dialog dialog = alertDialog.create();
         dialog.setCanceledOnTouchOutside(false);
         dialog.show();