diff --git a/tests/cli.nix b/tests/cli.nix
index c1218bc..76cc2b1 100644
--- a/tests/cli.nix
+++ b/tests/cli.nix
@@ -13,7 +13,6 @@ diskoLib.testLib.makeDiskoTest {
   };
   testMode = "direct";
   extraTestScript = ''
-    machine.succeed("test -b /dev/zroot/zfs_testvolume");
     machine.succeed("test -b /dev/md/raid1p1");
 
     machine.succeed("mountpoint /zfs_fs");
diff --git a/tests/complex.nix b/tests/complex.nix
index c29e997..26cc5e9 100644
--- a/tests/complex.nix
+++ b/tests/complex.nix
@@ -12,7 +12,6 @@ diskoLib.testLib.makeDiskoTest {
     fileSystems."/zfs_fs".options = [ "nofail" ]; # TODO find out why we need this!
   };
   extraTestScript = ''
-    machine.succeed("test -b /dev/zroot/zfs_testvolume");
     machine.succeed("test -b /dev/md/raid1p1");
 
 
diff --git a/tests/module.nix b/tests/module.nix
index 16e9a80..c6eb092 100644
--- a/tests/module.nix
+++ b/tests/module.nix
@@ -12,7 +12,6 @@ diskoLib.testLib.makeDiskoTest {
   };
   testMode = "module";
   extraTestScript = ''
-    machine.succeed("test -b /dev/zroot/zfs_testvolume");
     machine.succeed("test -b /dev/md/raid1p1");