diff --git a/android/java/apk_for_test.flags b/android/java/apk_for_test.flags
index aff405898a6..59c3b6d4ce3 100644
--- a/android/java/apk_for_test.flags
+++ b/android/java/apk_for_test.flags
@@ -591,7 +591,7 @@
     *** get(...);
 }
 
--keep class org.chromium.chrome.browser.partnercustomizations.CustomizationProviderDelegateImpl {
+-keep class org.chromium.chrome.browser.partnercustomizations.CustomizationProviderDelegateUpstreamImpl {
     public <init>(...);
 }
 
diff --git a/android/javatests/org/chromium/chrome/browser/BytecodeTest.java b/android/javatests/org/chromium/chrome/browser/BytecodeTest.java
index d6c732d13a6..cdf5ab1e4a5 100644
--- a/android/javatests/org/chromium/chrome/browser/BytecodeTest.java
+++ b/android/javatests/org/chromium/chrome/browser/BytecodeTest.java
@@ -286,7 +286,7 @@ public class BytecodeTest {
                 classExists("org/chromium/components/variations/firstrun/VariationsSeedFetcher"));
         Assert.assertTrue(
                 classExists(
-                        "org/chromium/chrome/browser/partnercustomizations/CustomizationProviderDelegateImpl"));
+                        "org/chromium/chrome/browser/partnercustomizations/CustomizationProviderDelegateUpstreamImpl"));
         Assert.assertTrue(
                 classExists(
                         "org/chromium/chrome/browser/share/send_tab_to_self/ManageAccountDevicesLinkView")); // presubmit: ignore-long-line
@@ -1371,7 +1371,7 @@ public class BytecodeTest {
                         Profile.class));
         Assert.assertTrue(
                 constructorsMatch(
-                        "org/chromium/chrome/browser/partnercustomizations/CustomizationProviderDelegateImpl",
+                        "org/chromium/chrome/browser/partnercustomizations/CustomizationProviderDelegateUpstreamImpl",
                         "org/chromium/chrome/browser/partnercustomizations/BraveCustomizationProviderDelegateImpl"));
         Assert.assertTrue(
                 constructorsMatch(
diff --git a/browser/partnercustomizations/java/src/org/chromium/chrome/browser/partnercustomizations/BraveCustomizationProviderDelegateImpl.java b/browser/partnercustomizations/java/src/org/chromium/chrome/browser/partnercustomizations/BraveCustomizationProviderDelegateImpl.java
index d69d33f05b7..e26ad6dd090 100644
--- a/browser/partnercustomizations/java/src/org/chromium/chrome/browser/partnercustomizations/BraveCustomizationProviderDelegateImpl.java
+++ b/browser/partnercustomizations/java/src/org/chromium/chrome/browser/partnercustomizations/BraveCustomizationProviderDelegateImpl.java
@@ -6,7 +6,8 @@
 package org.chromium.chrome.browser.partnercustomizations;
 
 /** Default ContextProviderPackageDelegateImpl implementation. */
-public class BraveCustomizationProviderDelegateImpl extends CustomizationProviderDelegateImpl {
+public class BraveCustomizationProviderDelegateImpl
+        extends CustomizationProviderDelegateUpstreamImpl {
     @Override
     public String getHomepage() {
         return null;
diff --git a/build/android/bytecode/java/org/brave/bytecode/BraveCustomizationProviderDelegateImplClassAdapter.java b/build/android/bytecode/java/org/brave/bytecode/BraveCustomizationProviderDelegateImplClassAdapter.java
index b2da654d489..10529487de0 100644
--- a/build/android/bytecode/java/org/brave/bytecode/BraveCustomizationProviderDelegateImplClassAdapter.java
+++ b/build/android/bytecode/java/org/brave/bytecode/BraveCustomizationProviderDelegateImplClassAdapter.java
@@ -9,7 +9,7 @@ import org.objectweb.asm.ClassVisitor;
 
 public class BraveCustomizationProviderDelegateImplClassAdapter extends BraveClassVisitor {
     static String sCustomizationProviderDelegateImplClassName =
-            "org/chromium/chrome/browser/partnercustomizations/CustomizationProviderDelegateImpl";
+            "org/chromium/chrome/browser/partnercustomizations/CustomizationProviderDelegateUpstreamImpl";
     static String sBraveCustomizationProviderDelegateImplClassName =
             "org/chromium/chrome/browser/partnercustomizations/BraveCustomizationProviderDelegateImpl";