diff --git a/pkgs/servers/http/unit/default.nix b/pkgs/servers/http/unit/default.nix
index 3eecd652ada..43d79838079 100644
--- a/pkgs/servers/http/unit/default.nix
+++ b/pkgs/servers/http/unit/default.nix
@@ -5,7 +5,6 @@
 , withPHP82 ? false, php82
 , withPerl536 ? false, perl536
 , withPerl538 ? true, perl538
-, withPerldevel ? false, perldevel
 , withRuby_3_0 ? false, ruby_3_0
 , withRuby_3_1 ? true, ruby_3_1
 , withRuby_3_2 ? false, ruby_3_2
@@ -48,7 +47,6 @@ in stdenv.mkDerivation rec {
     ++ optional withPHP82 php82-unit
     ++ optional withPerl536 perl536
     ++ optional withPerl538 perl538
-    ++ optional withPerldevel perldevel
     ++ optional withRuby_3_0 ruby_3_0
     ++ optional withRuby_3_1 ruby_3_1
     ++ optional withRuby_3_2 ruby_3_2
@@ -72,7 +70,6 @@ in stdenv.mkDerivation rec {
     ${optionalString withPHP82      "./configure php    --module=php81    --config=${php82-unit.unwrapped.dev}/bin/php-config --lib-path=${php82-unit}/lib"}
     ${optionalString withPerl536    "./configure perl   --module=perl536  --perl=${perl536}/bin/perl"}
     ${optionalString withPerl538    "./configure perl   --module=perl538  --perl=${perl538}/bin/perl"}
-    ${optionalString withPerldevel  "./configure perl   --module=perldev  --perl=${perldevel}/bin/perl"}
     ${optionalString withRuby_3_0   "./configure ruby   --module=ruby30   --ruby=${ruby_3_0}/bin/ruby"}
     ${optionalString withRuby_3_1   "./configure ruby   --module=ruby31   --ruby=${ruby_3_1}/bin/ruby"}
     ${optionalString withRuby_3_2   "./configure ruby   --module=ruby32   --ruby=${ruby_3_2}/bin/ruby"}