diff --git a/lass/1systems/prism.nix b/lass/1systems/prism.nix
index 5fa86da4d..f9654ac4c 100644
--- a/lass/1systems/prism.nix
+++ b/lass/1systems/prism.nix
@@ -258,7 +258,6 @@ in {
             -XFlexibleInstances -XMultiParamTypeClasses \
             -XOverloadedStrings -XFunctionalDependencies \'';
         in [
-          sed-plugin
           url-title
           (buildSimpleReaktorPlugin "lambdabot-pl" {
             pattern = "^@pl (?P<args>.*)$$";