diff --git a/system/HTTP/IncomingRequest.php b/system/HTTP/IncomingRequest.php
index 21894949cb29..128d6ee1c432 100755
--- a/system/HTTP/IncomingRequest.php
+++ b/system/HTTP/IncomingRequest.php
@@ -51,6 +51,8 @@ class IncomingRequest extends Request
      * Set automatically based on Config setting.
      *
      * @var bool
+     *
+     * @deprecated Not used
      */
     protected $enableCSRF = false;
 
diff --git a/system/Test/Mock/MockAppConfig.php b/system/Test/Mock/MockAppConfig.php
index fe51c4d3202f..15aff95809f0 100644
--- a/system/Test/Mock/MockAppConfig.php
+++ b/system/Test/Mock/MockAppConfig.php
@@ -24,7 +24,6 @@ class MockAppConfig extends App
     public $cookieHTTPOnly   = false;
     public $cookieSameSite   = 'Lax';
     public $proxyIPs         = '';
-    public $CSRFProtection   = false;
     public $CSRFTokenName    = 'csrf_test_name';
     public $CSRFHeaderName   = 'X-CSRF-TOKEN';
     public $CSRFCookieName   = 'csrf_cookie_name';
diff --git a/system/Test/Mock/MockCLIConfig.php b/system/Test/Mock/MockCLIConfig.php
index 0e5f9c8dd64e..6eb0dd70a8b8 100644
--- a/system/Test/Mock/MockCLIConfig.php
+++ b/system/Test/Mock/MockCLIConfig.php
@@ -24,7 +24,6 @@ class MockCLIConfig extends App
     public $cookieHTTPOnly   = false;
     public $cookieSameSite   = 'Lax';
     public $proxyIPs         = '';
-    public $CSRFProtection   = false;
     public $CSRFTokenName    = 'csrf_test_name';
     public $CSRFCookieName   = 'csrf_cookie_name';
     public $CSRFExpire       = 7200;