diff --git a/web/plugins/perfometer/nfsiostat.py b/web/plugins/perfometer/nfsiostat.py
index f791c3c..9c10a39 100644
--- a/web/plugins/perfometer/nfsiostat.py
+++ b/web/plugins/perfometer/nfsiostat.py
@@ -1,20 +1,8 @@
-#!/usr/bin/env python
-
 def perfometer_nfsiostat(row, check_command, perf_data):
-    if len(perf_data) < 2:
-        return "", ""
     for pd in perf_data:
         if pd[0] == u'op_s':
             ops = float(pd[1])
-            warn = float(pd[3])
-            crit = float(pd[4])
-
-            if ops <= warn:
-                color = '#90ee90'
-            elif ops <= crit:
-                color = '#ffa500'
-            else:
-                color = '#ff6347'
+            color = '#ff6347'
             return '%d op/s' % ops, perfometer_linear(ops, color)
 
 perfometers["check_mk-nfsiostat"] = perfometer_nfsiostat