diff --git a/pkgs/by-name/op/optinix/package.nix b/pkgs/by-name/op/optinix/package.nix
index 044b190e4e20..21a69da48689 100644
--- a/pkgs/by-name/op/optinix/package.nix
+++ b/pkgs/by-name/op/optinix/package.nix
@@ -20,11 +20,6 @@ buildGoModule rec {
 
   nativeBuildInputs = [ installShellFiles ];
 
-  preBuild = ''
-    substituteInPlace vendor/modernc.org/libc/honnef.co/go/netdb/netdb.go \
-      --replace-fail '!os.IsNotExist(err)' '!os.IsNotExist(err) && !os.IsPermission(err)'
-  '';
-
   postInstall = ''
     installShellCompletion --cmd optinix \
       --bash <($out/bin/optinix completion bash) \