diff --git a/CRM/Core/Resources.php b/CRM/Core/Resources.php
index e923bbaab2859df42f7c2ec57143c7c6bf850bda..558455422a13ad57b289852be6208d384e8f8587 100644
--- a/CRM/Core/Resources.php
+++ b/CRM/Core/Resources.php
@@ -495,8 +495,6 @@ class CRM_Core_Resources {
       }
       if (!CRM_Core_BAO_Setting::getItem(CRM_Core_BAO_Setting::SYSTEM_PREFERENCES_NAME, 'disable_core_css')) {
         $this->addStyleFile('civicrm', 'css/civicrm.css', -99, $region);
-        // extras.css is deprecated. Don't use it.
-        $this->addStyleFile('civicrm', 'css/extras.css', -98, $region);
       }
     }
     return $this;
diff --git a/css/extras.css b/css/extras.css
deleted file mode 100644
index 72a92580c3ec81109cc5b45b4a7ff83ef4346169..0000000000000000000000000000000000000000
--- a/css/extras.css
+++ /dev/null
@@ -1,5 +0,0 @@
-/**
- * @deprecated
- * This file is deprecated and support will be removed for it in version 4.5
- * Don't use it. Instead configure a custom css url at /civicrm/admin/setting/url?reset=1
- */