diff --git a/app/Http/Controllers/Api/ServicesController.php b/app/Http/Controllers/Api/ServicesController.php
index 47f9d17db3..30d13ac286 100644
--- a/app/Http/Controllers/Api/ServicesController.php
+++ b/app/Http/Controllers/Api/ServicesController.php
@@ -1487,7 +1487,6 @@ class ServicesController extends Controller
                         properties: [
                             'key' => ['type' => 'string', 'description' => 'The key of the environment variable.'],
                             'value' => ['type' => 'string', 'description' => 'The value of the environment variable.'],
-                            'is_preview' => ['type' => 'boolean', 'description' => 'The flag to indicate if the environment variable is used in preview deployments.'],
                             'is_literal' => ['type' => 'boolean', 'description' => 'The flag to indicate if the environment variable is a literal, nothing espaced.'],
                             'is_multiline' => ['type' => 'boolean', 'description' => 'The flag to indicate if the environment variable is multiline.'],
                             'is_shown_once' => ['type' => 'boolean', 'description' => 'If true, the saved value is hidden in the UI and API responses. MCP never returns environment variable values.'],
@@ -1631,7 +1630,6 @@ class ServicesController extends Controller
                                     properties: [
                                         'key' => ['type' => 'string', 'description' => 'The key of the environment variable.'],
                                         'value' => ['type' => 'string', 'description' => 'The value of the environment variable.'],
-                                        'is_preview' => ['type' => 'boolean', 'description' => 'The flag to indicate if the environment variable is used in preview deployments.'],
                                         'is_literal' => ['type' => 'boolean', 'description' => 'The flag to indicate if the environment variable is a literal, nothing espaced.'],
                                         'is_multiline' => ['type' => 'boolean', 'description' => 'The flag to indicate if the environment variable is multiline.'],
                                         'is_shown_once' => ['type' => 'boolean', 'description' => 'If true, the saved value is hidden in the UI and API responses. MCP never returns environment variable values.'],
@@ -1764,7 +1762,6 @@ class ServicesController extends Controller
                     properties: [
                         'key' => ['type' => 'string', 'description' => 'The key of the environment variable.'],
                         'value' => ['type' => 'string', 'description' => 'The value of the environment variable.'],
-                        'is_preview' => ['type' => 'boolean', 'description' => 'The flag to indicate if the environment variable is used in preview deployments.'],
                         'is_literal' => ['type' => 'boolean', 'description' => 'The flag to indicate if the environment variable is a literal, nothing espaced.'],
                         'is_multiline' => ['type' => 'boolean', 'description' => 'The flag to indicate if the environment variable is multiline.'],
                         'is_shown_once' => ['type' => 'boolean', 'description' => 'If true, the saved value is hidden in the UI and API responses. MCP never returns environment variable values.'],
diff --git a/openapi.json b/openapi.json
index e48c0d86e1..611d8f87af 100644
--- a/openapi.json
+++ b/openapi.json
@@ -20992,10 +20992,6 @@
                                         "type": "string",
                                         "description": "The value of the environment variable."
                                     },
-                                    "is_preview": {
-                                        "type": "boolean",
-                                        "description": "The flag to indicate if the environment variable is used in preview deployments."
-                                    },
                                     "is_literal": {
                                         "type": "boolean",
                                         "description": "The flag to indicate if the environment variable is a literal, nothing espaced."
@@ -21087,10 +21083,6 @@
                                         "type": "string",
                                         "description": "The value of the environment variable."
                                     },
-                                    "is_preview": {
-                                        "type": "boolean",
-                                        "description": "The flag to indicate if the environment variable is used in preview deployments."
-                                    },
                                     "is_literal": {
                                         "type": "boolean",
                                         "description": "The flag to indicate if the environment variable is a literal, nothing espaced."
@@ -21181,10 +21173,6 @@
                                                     "type": "string",
                                                     "description": "The value of the environment variable."
                                                 },
-                                                "is_preview": {
-                                                    "type": "boolean",
-                                                    "description": "The flag to indicate if the environment variable is used in preview deployments."
-                                                },
                                                 "is_literal": {
                                                     "type": "boolean",
                                                     "description": "The flag to indicate if the environment variable is a literal, nothing espaced."
@@ -25986,9 +25974,6 @@
                     "is_logdrain_custom_enabled": {
                         "type": "boolean"
                     },
-                    "is_logdrain_highlight_enabled": {
-                        "type": "boolean"
-                    },
                     "is_logdrain_newrelic_enabled": {
                         "type": "boolean"
                     },
@@ -26072,9 +26057,6 @@
                     "logdrain_custom_config_parser": {
                         "type": "string"
                     },
-                    "logdrain_highlight_project_id": {
-                        "type": "string"
-                    },
                     "logdrain_newrelic_base_uri": {
                         "type": "string"
                     },
diff --git a/openapi.yaml b/openapi.yaml
index a0ed28c8e7..acaae528e9 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -13221,9 +13221,6 @@ paths:
                 value:
                   type: string
                   description: 'The value of the environment variable.'
-                is_preview:
-                  type: boolean
-                  description: 'The flag to indicate if the environment variable is used in preview deployments.'
                 is_literal:
                   type: boolean
                   description: 'The flag to indicate if the environment variable is a literal, nothing espaced.'
@@ -13284,9 +13281,6 @@ paths:
                 value:
                   type: string
                   description: 'The value of the environment variable.'
-                is_preview:
-                  type: boolean
-                  description: 'The flag to indicate if the environment variable is used in preview deployments.'
                 is_literal:
                   type: boolean
                   description: 'The flag to indicate if the environment variable is a literal, nothing espaced.'
@@ -13341,7 +13335,7 @@ paths:
               properties:
                 data:
                   type: array
-                  items: { properties: { key: { type: string, description: 'The key of the environment variable.' }, value: { type: string, description: 'The value of the environment variable.' }, is_preview: { type: boolean, description: 'The flag to indicate if the environment variable is used in preview deployments.' }, is_literal: { type: boolean, description: 'The flag to indicate if the environment variable is a literal, nothing espaced.' }, is_multiline: { type: boolean, description: 'The flag to indicate if the environment variable is multiline.' }, is_shown_once: { type: boolean, description: 'If true, the saved value is hidden in the UI and API responses. MCP never returns environment variable values.' } }, type: object }
+                  items: { properties: { key: { type: string, description: 'The key of the environment variable.' }, value: { type: string, description: 'The value of the environment variable.' }, is_literal: { type: boolean, description: 'The flag to indicate if the environment variable is a literal, nothing espaced.' }, is_multiline: { type: boolean, description: 'The flag to indicate if the environment variable is multiline.' }, is_shown_once: { type: boolean, description: 'If true, the saved value is hidden in the UI and API responses. MCP never returns environment variable values.' } }, type: object }
               type: object
       responses:
         '201':
@@ -16630,8 +16624,6 @@ components:
           type: boolean
         is_logdrain_custom_enabled:
           type: boolean
-        is_logdrain_highlight_enabled:
-          type: boolean
         is_logdrain_newrelic_enabled:
           type: boolean
         is_metrics_enabled:
@@ -16689,8 +16681,6 @@ components:
           type: string
         logdrain_custom_config_parser:
           type: string
-        logdrain_highlight_project_id:
-          type: string
         logdrain_newrelic_base_uri:
           type: string
         logdrain_newrelic_license_key: