diff --git a/.codecov.yml b/.codecov.yml
deleted file mode 100644
index 9e7c83829..000000000
--- a/.codecov.yml
+++ /dev/null
@@ -1,3 +0,0 @@
-comment: false
-codecov:
-  branch: master
diff --git a/README.md b/README.md
index ea474ce83..b709774f9 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,7 @@
 ## Silverstripe Framework
 
 [![CI](https://github.com/silverstripe/silverstripe-framework/actions/workflows/ci.yml/badge.svg)](https://github.com/silverstripe/silverstripe-framework/actions/workflows/ci.yml)
-[![Build Docs](https://github.com/silverstripe/silverstripe-framework/workflows/Build%20Docs/badge.svg)](https://docs.silverstripe.org/)
-[![Latest Stable Version](https://poser.pugx.org/silverstripe/framework/version.svg)](https://www.silverstripe.org/stable-download/)
-[![Latest Unstable Version](https://poser.pugx.org/silverstripe/framework/v/unstable.svg)](https://packagist.org/packages/silverstripe/framework)
-[![codecov](https://codecov.io/gh/silverstripe/silverstripe-framework/branch/master/graph/badge.svg)](https://codecov.io/gh/silverstripe/silverstripe-framework)
-[![SilverStripe supported module](https://img.shields.io/badge/silverstripe-supported-0071C4.svg)](https://www.silverstripe.org/software/addons/silverstripe-commercially-supported-module-list/)
-[![Total Downloads](https://poser.pugx.org/silverstripe/framework/downloads.svg)](https://packagist.org/packages/silverstripe/framework)
-[![License](https://poser.pugx.org/silverstripe/framework/license.svg)](https://github.com/silverstripe/silverstripe-framework#license)
+[![Silverstripe supported module](https://img.shields.io/badge/silverstripe-supported-0071C4.svg)](https://www.silverstripe.org/software/addons/silverstripe-commercially-supported-module-list/)
 
 PHP framework forming the base for the Silverstripe CMS ([https://silverstripe.org](https://silverstripe.org)). 
 Requires a [`silverstripe-installer`](https://github.com/silverstripe/silverstripe-installer) base project. Typically used alongside the [`cms`](https://github.com/silverstripe/silverstripe-cms) module.
diff --git a/src/Dev/Backtrace.php b/src/Dev/Backtrace.php
index deae15921..cd4fa92fc 100644
--- a/src/Dev/Backtrace.php
+++ b/src/Dev/Backtrace.php
@@ -95,7 +95,7 @@ class Backtrace
                 }
             }
             if ($match) {
-                foreach ($frame['args'] as $j => $arg) {
+                foreach ($bt[$i]['args'] ?? [] as $j => $arg) {
                     $bt[$i]['args'][$j] = '<filtered>';
                 }
             }