diff --git a/nix/adc2tcp.nix b/nix/adc2tcp.nix
index a98c981..1eeaf6b 100644
--- a/nix/adc2tcp.nix
+++ b/nix/adc2tcp.nix
@@ -1,10 +1,10 @@
-{ stdenv, rustPlatform, cacert, git, cargo-vendor, coreutils }:
+{ stdenv, rustPlatform, cacert, git, cargo-vendor }:
 
 with rustPlatform;
 let
-  sha256 = "19cdc0lkm9247n6kf23ki66gysz530j1x2lfnzq7n0cpcs53q3h3";
+  sha256 = "1i9p5d5n01ajbp8lmavyway6vr1mmy107qnccff9glvr91rqx352";
   fetchcargo = import ./fetchcargo.nix {
-    inherit stdenv cacert git cargo-vendor coreutils;
+    inherit stdenv cacert git cargo-vendor;
     inherit (rust) cargo;
   };
   adc2tcpDeps = fetchcargo {
diff --git a/nix/fetchcargo.nix b/nix/fetchcargo.nix
index 0f5d722..656049e 100644
--- a/nix/fetchcargo.nix
+++ b/nix/fetchcargo.nix
@@ -1,4 +1,4 @@
-{ stdenv, cacert, git, cargo, cargo-vendor, coreutils }:
+{ stdenv, cacert, git, cargo, cargo-vendor }:
 { name, src, sha256 }:
 let
   # `src` restricted to the two files that define dependencies
@@ -10,7 +10,7 @@ let
       mkdir $out
       cp ${src}/Cargo.{toml,lock} $out/
       mkdir $out/src
-      ${coreutils}/bin/touch src/main.rs
+      touch $out/src/main.rs
     '';
   };
 in