diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 645d70bc3161..5695f7d8f1e3 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -661,7 +661,6 @@ mapAliases ({
   youtubeDL = youtube-dl;  # added 2014-10-26
   zdfmediathk = mediathekview; # added 2019-01-19
   gnome_user_docs = gnome-user-docs; # added 2019-11-20
-  spidermonkey = spidermonkey_68; # added 2020-09-30
 
   # TODO(ekleog): add ‘wasm’ alias to ‘ocamlPackages.wasm’ after 19.03
   # branch-off
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c60cfea4e876..8ce4fa075fee 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10364,7 +10364,7 @@ in
   spidermonkey_60 = callPackage ../development/interpreters/spidermonkey/60.nix { };
   spidermonkey_68 = callPackage ../development/interpreters/spidermonkey/68.nix { };
   spidermonkey_78 = callPackage ../development/interpreters/spidermonkey/78.nix { };
-  spidermonkey = spidermonkey_38;
+  spidermonkey = spidermonkey_68;
 
   ssm-agent = callPackage ../applications/networking/cluster/ssm-agent { };
   ssm-session-manager-plugin = callPackage ../applications/networking/cluster/ssm-session-manager-plugin { };