diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortCreate.json b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortCreate.json
index b93634b919db..47a777bd8abc 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortCreate.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortCreate.json
@@ -9,7 +9,6 @@
       "properties": {
         "peeringLocation": "peeringLocationName",
         "bandwidthInGbps": 100,
-        "billingType": "UnlimitedData",
         "encapsulation": "QinQ"
       }
     }
@@ -23,7 +22,6 @@
         "location": "westus",
         "properties": {
           "provisioningState": "Succeeded",
-          "billingType": "UnlimitedData",
           "peeringLocation": "peeringLocationName",
           "bandwidthInGbps": 100,
           "provisionedBandwidthInGbps": 0.0,
@@ -71,7 +69,6 @@
         "location": "westus",
         "properties": {
           "provisioningState": "Succeeded",
-          "billingType": "UnlimitedData",
           "peeringLocation": "peeringLocationName",
           "bandwidthInGbps": 100,
           "provisionedBandwidthInGbps": 0.0,
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortGet.json b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortGet.json
index c856cef10884..ea5d3cb27755 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortGet.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortGet.json
@@ -14,7 +14,6 @@
         "location": "westus",
         "properties": {
           "provisioningState": "Succeeded",
-          "billingType": "UnlimitedData",
           "peeringLocation": "peeringLocationName",
           "bandwidthInGbps": 100,
           "provisionedBandwidthInGbps": 0.0,
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortList.json b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortList.json
index 2026ddd5b108..4c26b8340cdd 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortList.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortList.json
@@ -14,7 +14,6 @@
             "location": "westus",
             "properties": {
               "provisioningState": "Succeeded",
-              "billingType": "UnlimitedData",
               "peeringLocation": "peeringLocationName",
               "bandwidthInGbps": 100,
               "provisionedBandwidthInGbps": 0.0,
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortListByResourceGroup.json b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortListByResourceGroup.json
index 0a5dfcfc9275..998cd7c9e8d1 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortListByResourceGroup.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortListByResourceGroup.json
@@ -15,7 +15,6 @@
             "location": "westus",
             "properties": {
               "provisioningState": "Succeeded",
-              "billingType": "UnlimitedData",
               "peeringLocation": "peeringLocationName",
               "bandwidthInGbps": 100,
               "provisionedBandwidthInGbps": 0.0,
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortUpdateLink.json b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortUpdateLink.json
index a6f377fc0629..a7accc6cd39c 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortUpdateLink.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortUpdateLink.json
@@ -8,7 +8,6 @@
       "location": "westus",
       "properties": {
         "peeringLocation": "peeringLocationName",
-        "billingType": "UnlimitedData",
         "bandwidthInGbps": 100,
         "encapsulation": "QinQ",
         "links": [
@@ -31,7 +30,6 @@
         "location": "westus",
         "properties": {
           "provisioningState": "Succeeded",
-          "billingType": "UnlimitedData",
           "peeringLocation": "peeringLocationName",
           "bandwidthInGbps": 100,
           "provisionedBandwidthInGbps": 0.0,
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortUpdateTags.json b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortUpdateTags.json
index 3463fbdd99b6..4adece1ed1db 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortUpdateTags.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/examples/ExpressRoutePortUpdateTags.json
@@ -20,7 +20,6 @@
         "location": "westus",
         "properties": {
           "provisioningState": "Succeeded",
-          "billingType": "UnlimitedData",
           "peeringLocation": "peeringLocationName",
           "bandwidthInGbps": 100,
           "provisionedBandwidthInGbps": 0.0,
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/expressRoutePort.json b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/expressRoutePort.json
index 0defc3f6b735..336068d2ab51 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/expressRoutePort.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/expressRoutePort.json
@@ -893,18 +893,6 @@
           "readOnly": true,
           "type": "string",
           "description": "The resource GUID property of the express route port resource."
-        },
-        "billingType": {
-          "type": "string",
-          "description": "The billing type of the ExpressRoutePort resource.",
-          "enum": [
-            "UnlimitedData",
-            "MeteredData"
-          ],
-          "x-ms-enum": {
-            "name": "ExpressRoutePortsBillingType",
-            "modelAsString": true
-          }
         }
       }
     },