diff --git a/packages/genodelabs/targets.nix b/packages/genodelabs/targets.nix
index 9d62b5a..e92780a 100644
--- a/packages/genodelabs/targets.nix
+++ b/packages/genodelabs/targets.nix
@@ -15,6 +15,8 @@ let
   };
 in {
 
+  acpi_drv = { };
+
   cached_fs_rom = { };
 
   fb_sdl = with buildPackages; {
@@ -49,8 +51,12 @@ in {
 
   noux.portInputs = [ libc ];
 
+  platform_drv = { };
+
   posix.portInputs = [ libc ];
 
+  report_rom = { };
+
   rtc_drv.meta.platforms = [ "x86_64-genode" ];
 
   rump = {
diff --git a/tests/tox-bootstrapd.nix b/tests/tox-bootstrapd.nix
index e6afe1e..086f6fa 100644
--- a/tests/tox-bootstrapd.nix
+++ b/tests/tox-bootstrapd.nix
@@ -5,14 +5,14 @@
   constraints = builtins.any (spec: spec == "x86");
   machine = {
     config = ./tox-bootstrapd.dhall;
-    inputs = map pkgs.genodeSources.depot [
-      "acpi_drv"
-      "ipxe_nic_drv"
-      "libc"
-      "platform_drv"
-      "posix"
-      "report_rom"
-      "vfs_lwip"
-    ] ++ (with legacyPackages; [ libtoxcore ]);
+    inputs = (with pkgs; [
+      acpi_drv
+      ipxe_nic_drv
+      libc
+      platform_drv
+      posix
+      report_rom
+      vfs_lwip
+    ]) ++ (with legacyPackages; [ libtoxcore ]);
   };
 }