diff --git a/lib/contextutil/stop_chan_context.go b/lib/contextutil/stop_chan_context.go
index 76e487c6d..47575614d 100644
--- a/lib/contextutil/stop_chan_context.go
+++ b/lib/contextutil/stop_chan_context.go
@@ -42,6 +42,6 @@ func (ctx *stopChanContext) Err() error {
 	}
 }
 
-func (ctx *stopChanContext) Value(key any) any {
+func (ctx *stopChanContext) Value(_ any) any {
 	return nil
 }