diff --git a/misc/alert_rules.json b/misc/alert_rules.json
index bc478f02cc..6d69317712 100644
--- a/misc/alert_rules.json
+++ b/misc/alert_rules.json
@@ -313,30 +313,6 @@
     "rule": "devices.os = \"panos\" && sensors.sensor_type = \"panSysHAState\" && sensors.sensor_current = \"1\" && sensors.sensor_prev = \"2\"",
     "name": "Palo Alto Networks passive firewall changed to active"
   },
-  {
-    "rule": "sensors.sensor_current ~ \"[2|6]\" && sensors.sensor_oid = \".1.3.6.1.4.1.674.10893.1.20.130.15.1.4.1\"",
-    "name": "Dell Server Raid Battery Failed/Degraded"
-  },
-  {
-    "rule": "sensors.sensor_current = \"2\" && sensors.sensor_oid = \".1.3.6.1.4.1.674.10892.1.1100.32.1.5\"",
-    "name": "Dell Server CPU Status Critical"
-  },
-  {
-    "rule": "sensors.sensor_current ~ \"[2|6]\" && sensors.sensor_oid = \".1.3.6.1.4.1.674.10893.1.20.130.1.1.5\"",
-    "name": "Dell Server Disk Controller State Failed/Degraded"
-  },
-  {
-    "rule": "sensors.sensor_current ~ \"[2|5]\" && sensors.sensor_oid = \".1.3.6.1.4.1.674.10893.1.20.130.4.1.4\"",
-    "name": "Dell Server Disk Array State Failed/Degraded"
-  },
-  {
-    "rule": "sensors.sensor_current ~ \"[5|6]\" && sensors.sensor_oid = \".1.3.6.1.4.1.674.10892.1.600.12.1.5\"",
-    "name": "Dell Server PSU State Critical/NonRecvoverable"
-  },
-  {
-    "rule": "sensors.sensor_current ~ \"[2|6]\" && sensors.sensor_oid = \".1.3.6.1.4.1.674.10893.1.20.140.1.1.4\"",
-    "name": "Dell Server Virtual Disk Failed/Degraded"
-  },
   {
     "rule": "sensors.sensor_current = \"2\" && sensors.sensor_oid = \".1.3.6.1.4.1.25506.8.35.9.1.1.1.2\"",
     "name": "Comware Fan Status failed"
@@ -361,38 +337,6 @@
     "rule": "sensors.sensor_current = \"3\" && sensors.sensor_oid = \".1.3.6.1.4.1.4413.1.1.43.1.15.1.2.1\"",
     "name": "UBNT EdgeSwitch Chassis state failed"
   },
-  {
-    "rule": "sensors.sensor_current ~ \"[5|6|7|8|9|10]\" && sensors.sensor_oid = \".1.3.6.1.4.1.674.10892.5.5.1.20.130.4.1.4\"",
-    "name": "Dell iDRAC Physical Disk Failed/Degraded"
-  },
-  {
-    "rule": "sensors.sensor_current ~ \"[3|4]\" && sensors.sensor_oid = \".1.3.6.1.4.1.674.10892.5.5.1.20.140.1.1.4\"",
-    "name": "Dell iDRAC Virtual Disk Failed/Degraded"
-  },
-  {
-    "rule": "sensors.sensor_current ~ \"5\" && sensors.sensor_oid = \".1.3.6.1.4.1.674.10892.5.4.1100.30.1.5\"",
-    "name": "Dell iDRAC Processor Status Critical"
-  },
-  {
-    "rule": "sensors.sensor_current ~ \"5\" && sensors.sensor_oid = \".1.3.6.1.4.1.674.10892.5.4.1100.50.1.5\"",
-    "name": "Dell iDRAC Memory Status Critical"
-  },
-  {
-    "rule": "sensors.sensor_current ~ \"10\" && sensors.sensor_oid = \".1.3.6.1.4.1.674.10892.5.4.600.20.1.5\"",
-    "name": "Dell iDRAC Voltage Probe Status Failed"
-  },
-  {
-    "rule": "sensors.sensor_current ~ \"10\" && sensors.sensor_oid = \".1.3.6.1.4.1.674.10892.5.4.600.30.1.5\"",
-    "name": "Dell iDRAC Amperage Probe Status Failed"
-  },
-  {
-    "rule": "sensors.sensor_current ~ \"10\" && sensors.sensor_oid = \".1.3.6.1.4.1.674.10892.5.4.600.50.1.5\"",
-    "name": "Dell iDRAC Battery Status Failed"
-  },
-  {
-    "rule": "sensors.sensor_current ~ \"[5|6]\" && sensors.sensor_oid = \".1.3.6.1.4.1.674.10892.2.2.1\"",
-    "name": "Dell iDRAC Global System Status Critical/NonRecoverable"
-  },
   {
     "rule": "devices.os = \"Netscaler\" && sensors.sensor_type = \"sysHighAvailabilityMode\" && sensors.sensor_current != `sensors.sensor_prev` && sensors.lastupdate < \"DATE_SUB(NOW(),INTERVAL 5 MINUTE)\" && macros.device_up = \"1\"",
     "name": "Netscaler HA node mode change"