diff --git a/drivers/exec/driver_test.go b/drivers/exec/driver_test.go
index 93279f166..66af7965c 100644
--- a/drivers/exec/driver_test.go
+++ b/drivers/exec/driver_test.go
@@ -150,7 +150,6 @@ func TestExecDriver_StartWait(t *testing.T) {
 		Args:    []string{"/proc/self/cgroup"},
 	}
 	require.NoError(t, task.EncodeConcreteDriverConfig(&tc))
-	//require.NoError(t, harness.SetConfig(&base.Config{}))
 
 	cleanup := harness.MkAllocDir(task, false)
 	defer cleanup()
@@ -187,7 +186,6 @@ func TestExecDriver_StartWaitStopKill(t *testing.T) {
 		Args:    []string{"-c", "echo hi; sleep 600"},
 	}
 	require.NoError(t, task.EncodeConcreteDriverConfig(&tc))
-	//require.NoError(t, harness.SetConfig(&base.Config{}))
 
 	cleanup := harness.MkAllocDir(task, false)
 	defer cleanup()
@@ -253,7 +251,6 @@ func TestExecDriver_StartWaitRecover(t *testing.T) {
 		Args:    []string{"5"},
 	}
 	require.NoError(t, task.EncodeConcreteDriverConfig(&tc))
-	//require.NoError(t, harness.SetConfig(&base.Config{}))
 
 	cleanup := harness.MkAllocDir(task, false)
 	defer cleanup()
@@ -457,7 +454,6 @@ func TestExecDriver_Stats(t *testing.T) {
 		Args:    []string{"5"},
 	}
 	require.NoError(t, task.EncodeConcreteDriverConfig(&tc))
-	require.NoError(t, harness.SetConfig(&base.Config{}))
 
 	cleanup := harness.MkAllocDir(task, false)
 	defer cleanup()
@@ -886,6 +882,10 @@ func TestDriver_Config_setDeniedIds(t *testing.T) {
 			defer cancel()
 
 			d := newExecDriverTest(t, ctx)
+
+			// Force the creation of the validatior.
+			d.(*Driver).userIDValidator = nil
+
 			harness := dtestutil.NewDriverHarness(t, d)
 			defer harness.Kill()
 
diff --git a/drivers/rawexec/driver_test.go b/drivers/rawexec/driver_test.go
index f2825379f..506c0669d 100644
--- a/drivers/rawexec/driver_test.go
+++ b/drivers/rawexec/driver_test.go
@@ -233,7 +233,6 @@ func TestRawExecDriver_StartWait(t *testing.T) {
 		Args:    []string{"sleep", "10ms"},
 	}
 	require.NoError(task.EncodeConcreteDriverConfig(&tc))
-	//require.NoError(harness.SetConfig(&base.Config{}))
 
 	testtask.SetTaskConfigEnv(task)
 
diff --git a/drivers/rawexec/driver_unix_test.go b/drivers/rawexec/driver_unix_test.go
index 81ba252ca..6912590a3 100644
--- a/drivers/rawexec/driver_unix_test.go
+++ b/drivers/rawexec/driver_unix_test.go
@@ -587,6 +587,10 @@ func TestRawExec_Validate(t *testing.T) {
 	} {
 
 		d := newEnabledRawExecDriver(t)
+
+		// Force the creation of the validatior, the mock is used by newEnabledRawExecDriver by default
+		d.userIDValidator = nil
+
 		harness := dtestutil.NewDriverHarness(t, d)
 		defer harness.Kill()