diff --git a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/examples/Configurations_CreateOrUpdate.json b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/examples/Configurations_CreateOrUpdate.json
index 07e100e1cc1b..3d67c81770e6 100644
--- a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/examples/Configurations_CreateOrUpdate.json
+++ b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/examples/Configurations_CreateOrUpdate.json
@@ -4,7 +4,6 @@
     "subscriptionId": "00000000-0000-0000-0000-000000000000",
     "resourceGroupName": "myResourceGroup",
     "deploymentName": "myDeployment",
-    "configurationName": "default",
     "requestBody": {
       "properties": {
         "files": [
diff --git a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/examples/Configurations_Delete.json b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/examples/Configurations_Delete.json
index b6152093de3b..78e6ffc0794f 100644
--- a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/examples/Configurations_Delete.json
+++ b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/examples/Configurations_Delete.json
@@ -3,8 +3,7 @@
     "api-version": "2022-08-01",
     "subscriptionId": "00000000-0000-0000-0000-000000000000",
     "resourceGroupName": "myResourceGroup",
-    "deploymentName": "myDeployment",
-    "configurationName": "default"
+    "deploymentName": "myDeployment"
   },
   "responses": {
     "200": {},
diff --git a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/examples/Configurations_Get.json b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/examples/Configurations_Get.json
index e148d361a78b..7d3826d263dd 100644
--- a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/examples/Configurations_Get.json
+++ b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/examples/Configurations_Get.json
@@ -3,8 +3,7 @@
     "api-version": "2022-08-01",
     "subscriptionId": "00000000-0000-0000-0000-000000000000",
     "resourceGroupName": "myResourceGroup",
-    "deploymentName": "myDeployment",
-    "configurationName": "default"
+    "deploymentName": "myDeployment"
   },
   "responses": {
     "200": {
diff --git a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/swagger.json b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/swagger.json
index 6f165da0f93c..f8e6f4a1e325 100644
--- a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/swagger.json
+++ b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2022-08-01/swagger.json
@@ -299,7 +299,7 @@
         }
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Nginx.NginxPlus/nginxDeployments/{deploymentName}/configurations/{configurationName}": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Nginx.NginxPlus/nginxDeployments/{deploymentName}/configurations/default": {
       "get": {
         "tags": [
           "NginxConfiguration"
@@ -319,13 +319,6 @@
           {
             "$ref": "#/parameters/DeploymentNameParameter"
           },
-          {
-            "in": "path",
-            "name": "configurationName",
-            "description": "The name of configuration, only 'default' is supported value due to the singleton of Nginx conf",
-            "required": true,
-            "type": "string"
-          },
           {
             "$ref": "../../../../../common-types/resource-management/v1/types.json#/parameters/ApiVersionParameter"
           }
@@ -372,13 +365,6 @@
           {
             "$ref": "#/parameters/DeploymentNameParameter"
           },
-          {
-            "in": "path",
-            "name": "configurationName",
-            "description": "The name of configuration, only 'default' is supported value due to the singleton of Nginx conf",
-            "required": true,
-            "type": "string"
-          },
           {
             "$ref": "../../../../../common-types/resource-management/v1/types.json#/parameters/ApiVersionParameter"
           },
@@ -440,13 +426,6 @@
           {
             "$ref": "#/parameters/DeploymentNameParameter"
           },
-          {
-            "in": "path",
-            "name": "configurationName",
-            "description": "The name of configuration, only 'default' is supported value due to the singleton of Nginx conf",
-            "required": true,
-            "type": "string"
-          },
           {
             "$ref": "../../../../../common-types/resource-management/v1/types.json#/parameters/ApiVersionParameter"
           }
diff --git a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/examples/Configurations_CreateOrUpdate.json b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/examples/Configurations_CreateOrUpdate.json
index e1d710256fc4..d0ba3ea575b3 100644
--- a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/examples/Configurations_CreateOrUpdate.json
+++ b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/examples/Configurations_CreateOrUpdate.json
@@ -4,7 +4,6 @@
     "subscriptionId": "00000000-0000-0000-0000-000000000000",
     "resourceGroupName": "myResourceGroup",
     "deploymentName": "myDeployment",
-    "configurationName": "default",
     "requestBody": {
       "properties": {
         "files": [
diff --git a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/examples/Configurations_Delete.json b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/examples/Configurations_Delete.json
index 22243bb1347b..22ac1939afd8 100644
--- a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/examples/Configurations_Delete.json
+++ b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/examples/Configurations_Delete.json
@@ -3,8 +3,7 @@
     "api-version": "2023-04-01",
     "subscriptionId": "00000000-0000-0000-0000-000000000000",
     "resourceGroupName": "myResourceGroup",
-    "deploymentName": "myDeployment",
-    "configurationName": "default"
+    "deploymentName": "myDeployment"
   },
   "responses": {
     "200": {},
diff --git a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/examples/Configurations_Get.json b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/examples/Configurations_Get.json
index 778c145d6583..201a3854956d 100644
--- a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/examples/Configurations_Get.json
+++ b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/examples/Configurations_Get.json
@@ -3,8 +3,7 @@
     "api-version": "2023-04-01",
     "subscriptionId": "00000000-0000-0000-0000-000000000000",
     "resourceGroupName": "myResourceGroup",
-    "deploymentName": "myDeployment",
-    "configurationName": "default"
+    "deploymentName": "myDeployment"
   },
   "responses": {
     "200": {
diff --git a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/swagger.json b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/swagger.json
index 564d6dcea2ed..24533bc15139 100644
--- a/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/swagger.json
+++ b/specification/nginx/resource-manager/NGINX.NGINXPLUS/stable/2023-04-01/swagger.json
@@ -299,7 +299,7 @@
         }
       }
     },
-    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Nginx.NginxPlus/nginxDeployments/{deploymentName}/configurations/{configurationName}": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Nginx.NginxPlus/nginxDeployments/{deploymentName}/configurations/default": {
       "get": {
         "tags": [
           "NginxConfiguration"
@@ -319,13 +319,6 @@
           {
             "$ref": "#/parameters/DeploymentNameParameter"
           },
-          {
-            "in": "path",
-            "name": "configurationName",
-            "description": "The name of configuration, only 'default' is supported value due to the singleton of NGINX conf",
-            "required": true,
-            "type": "string"
-          },
           {
             "$ref": "../../../../../common-types/resource-management/v1/types.json#/parameters/ApiVersionParameter"
           }
@@ -372,13 +365,6 @@
           {
             "$ref": "#/parameters/DeploymentNameParameter"
           },
-          {
-            "in": "path",
-            "name": "configurationName",
-            "description": "The name of configuration, only 'default' is supported value due to the singleton of NGINX conf",
-            "required": true,
-            "type": "string"
-          },
           {
             "$ref": "../../../../../common-types/resource-management/v1/types.json#/parameters/ApiVersionParameter"
           },
@@ -440,13 +426,6 @@
           {
             "$ref": "#/parameters/DeploymentNameParameter"
           },
-          {
-            "in": "path",
-            "name": "configurationName",
-            "description": "The name of configuration, only 'default' is supported value due to the singleton of NGINX conf",
-            "required": true,
-            "type": "string"
-          },
           {
             "$ref": "../../../../../common-types/resource-management/v1/types.json#/parameters/ApiVersionParameter"
           }