diff --git a/mungegithub/mungers/close-stale-pr.go b/mungegithub/mungers/close-stale-pr.go
index <HASH>..<HASH> 100644
--- a/mungegithub/mungers/close-stale-pr.go
+++ b/mungegithub/mungers/close-stale-pr.go
@@ -319,7 +319,11 @@ func (CloseStalePR) Munge(obj *github.MungeObject) {
 	} else if closeIn <= startWarning {
 		checkAndWarn(obj, inactiveFor, closeIn)
 	} else {
-		// Pull-request is active. Do nothing
+		// Pull-request is active. Remove previous potential warning
+		comment := findLatestWarningComment(obj)
+		if comment != nil {
+			obj.DeleteComment(comment)
+		}
 	}
 }
Remove close warning comment if PR is active again

Let's remove the close-stale-pr comment if the pr is active again. It
will make it more obvious that we are not planning to close it anymore.