diff --git a/routers/web/repo/issue_content_history.go b/routers/web/repo/issue_content_history.go
index bc0945c9d1..23255e774f 100644
--- a/routers/web/repo/issue_content_history.go
+++ b/routers/web/repo/issue_content_history.go
@@ -125,10 +125,6 @@ func GetContentHistoryDetail(ctx *context.Context) {
 		})
 		return
 	}
-	if history.IssueID != issue.ID {
-		ctx.NotFound("CompareRepoID", issues_model.ErrCommentNotExist{})
-		return
-	}
 
 	// get the related comment if this history revision is for a comment, otherwise the history revision is for an issue.
 	var comment *issues_model.Comment