diff --git a/nixos/modules/system/activation/activation-script.nix b/nixos/modules/system/activation/activation-script.nix
index c2ac731d433d..8c9b35fe524f 100644
--- a/nixos/modules/system/activation/activation-script.nix
+++ b/nixos/modules/system/activation/activation-script.nix
@@ -117,14 +117,7 @@ in
 
   config = {
 
-    system.activationScripts.stdio =
-      ''
-        # Needed by some programs.
-        ln -sfn /proc/self/fd /dev/fd
-        ln -sfn /proc/self/fd/0 /dev/stdin
-        ln -sfn /proc/self/fd/1 /dev/stdout
-        ln -sfn /proc/self/fd/2 /dev/stderr
-      '';
+    system.activationScripts.stdio = ""; # obsolete
 
     system.activationScripts.var =
       ''