diff --git a/patches/chrome-installer-mac-sign_chrome.py.patch b/patches/chrome-installer-mac-sign_chrome.py.patch
deleted file mode 100644
index 419780cbe45c..000000000000
--- a/patches/chrome-installer-mac-sign_chrome.py.patch
+++ /dev/null
@@ -1,29 +0,0 @@
-diff --git a/chrome/installer/mac/sign_chrome.py b/chrome/installer/mac/sign_chrome.py
-index b1cb1f4beaca0f61cb4a1dff0039dcc02c2614f2..321a7c4802ed60bbb91fc918f4f33fce746a79b0 100755
---- a/chrome/installer/mac/sign_chrome.py
-+++ b/chrome/installer/mac/sign_chrome.py
-@@ -44,6 +44,7 @@ def create_config(config_args, development):
-     from signing.chromium_config import ChromiumCodeSignConfig
-     config_class = ChromiumCodeSignConfig
- 
-+    """
-     # Then search for the internal config for Google Chrome.
-     try:
-         from signing.internal_config import InternalCodeSignConfig
-@@ -53,6 +54,7 @@ def create_config(config_args, development):
-         # internal config has to be available.
-         if config_class.is_chrome_branded():
-             raise e
-+    """
- 
-     if development:
- 
-@@ -74,6 +76,8 @@ def create_config(config_args, development):
- 
-         config_class = DevelopmentCodeSignConfig
- 
-+    from signing_helper import GetBraveSigningConfig
-+    config_class = GetBraveSigningConfig(config_class, development)
-     return config_class(*config_args)
- 
- 
diff --git a/patches/chrome-installer-mac-signing-config_factory.py.patch b/patches/chrome-installer-mac-signing-config_factory.py.patch
new file mode 100644
index 000000000000..868a962f9627
--- /dev/null
+++ b/patches/chrome-installer-mac-signing-config_factory.py.patch
@@ -0,0 +1,13 @@
+diff --git a/chrome/installer/mac/signing/config_factory.py b/chrome/installer/mac/signing/config_factory.py
+index 0689fb6476e741b711454aeaf4ac7c20d5e4f989..c303bb474dcf4036fc1e8d8b6985af20ae2e4f62 100644
+--- a/chrome/installer/mac/signing/config_factory.py
++++ b/chrome/installer/mac/signing/config_factory.py
+@@ -8,6 +8,8 @@ def get_class():
+     # First look up the processed Chromium config.
+     from chromium_config import ChromiumCodeSignConfig
+     config_class = ChromiumCodeSignConfig
++    from signing_helper import GetBraveSigningConfig
++    config_class = GetBraveSigningConfig(config_class)
+ 
+     # Then search for the internal config for Google Chrome.
+     try:
diff --git a/script/signing_helper.py b/script/signing_helper.py
index cde0e0dbf552..39bfa08b218a 100644
--- a/script/signing_helper.py
+++ b/script/signing_helper.py
@@ -117,16 +117,20 @@ def AddBravePartsForSigning(parts, config):
     return parts
 
 
-def GetBraveSigningConfig(config_class, development, mac_provisioning_profile=None):
-    if development:
-        return config_class
+def GetBraveSigningConfig(config_class):
+    class ConfigNonChromeBranded(config_class):
+
+        @staticmethod
+        def is_chrome_branded():
+            return False
 
-    if mac_provisioning_profile is not None:
-        provisioning_profile = mac_provisioning_profile
-    else:
-        # Retrieve provisioning profile exported by build/mac/sign_app.sh
-        provisioning_profile = os.environ['MAC_PROVISIONING_PROFILE']
-        assert len(provisioning_profile), 'MAC_PROVISIONING_PROFILE is not set'
+    config_class = ConfigNonChromeBranded
+
+    # Retrieve provisioning profile exported by build/mac/sign_app.sh
+    # If not set, then it's development config.
+    provisioning_profile = os.environ['MAC_PROVISIONING_PROFILE']
+    if !len(provisioning_profile):
+        return config_class
 
     class ProvisioningProfileCodeSignConfig(config_class):