diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index fb824ccccaa..39555290289 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -295,7 +295,6 @@ mapAliases ({
   inotifyTools = inotify-tools;
   i-score = throw "i-score has been removed: abandoned upstream."; # added 2020-11-21
   jamomacore = throw "jamomacore has been removed: abandoned upstream."; # added 2020-11-21
-  jasper = throw "jasper has been removed: abandoned upstream with many vulnerabilities";
   jbuilder = dune_1; # added 2018-09-09
   jikes = throw "jikes was deprecated on 2019-10-07: abandoned by upstream";
   joseki = apache-jena-fuseki; # added 2016-02-28