diff --git a/pkgs/servers/sql/postgresql/generic.nix b/pkgs/servers/sql/postgresql/generic.nix
index b7b2e3014ce..40c5ff660ce 100644
--- a/pkgs/servers/sql/postgresql/generic.nix
+++ b/pkgs/servers/sql/postgresql/generic.nix
@@ -93,7 +93,6 @@ stdenv.mkDerivation rec {
   };
 
   passthru = {
-    inherit psqlSchema;
-    readline = optReadline;
+    inherit readline psqlSchema;
   };
 }