diff --git a/neat/locals/manager.py b/neat/locals/manager.py
index 71e2263..5d77ceb 100644
--- a/neat/locals/manager.py
+++ b/neat/locals/manager.py
@@ -431,9 +431,6 @@ def vm_mhz_to_percentage(vm_mhz_history, host_mhz_history, physical_cpu_mhz):
     :return: The history of the host's CPU utilization in percentages.
      :rtype: list(float)
     """
-    if not vm_mhz_history:
-        return [0.]
-
     max_len = max(len(x) for x in vm_mhz_history)
     if len(host_mhz_history) > max_len:
         host_mhz_history = host_mhz_history[-max_len:]
diff --git a/tests/locals/test_manager.py b/tests/locals/test_manager.py
index 88dcb34..0c48b0b 100644
--- a/tests/locals/test_manager.py
+++ b/tests/locals/test_manager.py
@@ -195,10 +195,3 @@ class LocalManager(TestCase):
             [300, 0, 300, 0, 300],
             3000),
             [0.1, 0.2, 0.2, 0.5])
-
-        self.assertEqual(manager.vm_mhz_to_percentage(
-            [],
-            [300, 0, 300, 0, 300],
-            3000),
-            [0.])
-