diff --git a/.upgrade.yml b/.upgrade.yml
deleted file mode 100644
index 4dc24546..00000000
--- a/.upgrade.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-mappings:
-  SS_Report: SilverStripe\Reports\Report
-  SilverStripe\Reports\SS_Report: SilverStripe\Reports\Report
-  SS_ReportWrapper: SilverStripe\Reports\ReportWrapper
-  SilverStripe\Reports\SS_ReportWrapper: SilverStripe\Reports\ReportWrapper
-  ReportAdmin: SilverStripe\Reports\ReportAdmin
-  SideReportView: SilverStripe\Reports\SideReportView
-  SideReportWrapper: SilverStripe\Reports\SideReportWrapper
-  SideReport: SilverStripe\Reports\SideReportView
diff --git a/code/ReportWrapper.php b/code/ReportWrapper.php
index 8c0daec6..8d6bbcc1 100644
--- a/code/ReportWrapper.php
+++ b/code/ReportWrapper.php
@@ -102,7 +102,6 @@ abstract class ReportWrapper extends Report
 
     public function group()
     {
-        /** @skipUpgrade */
         return $this->baseReport->hasMethod('group') ? $this->baseReport->group() : 'Group';
     }