diff --git a/scripts/generator-adapter/generators/app/templates/src/transport/custom.ts.ejs b/scripts/generator-adapter/generators/app/templates/src/transport/custom.ts.ejs
index 2f3834dc..98ef799b 100644
--- a/scripts/generator-adapter/generators/app/templates/src/transport/custom.ts.ejs
+++ b/scripts/generator-adapter/generators/app/templates/src/transport/custom.ts.ejs
@@ -5,8 +5,7 @@ import {
   AdapterRequest,
   AdapterResponse,
 } from '@chainlink/external-adapter-framework/util'
-import { TypeFromDefinition } from '@chainlink/external-adapter-framework/validation/input-params'
-import { BaseEndpointTypes } from '../endpoint/<%= inputEndpointName %>'
+import { BaseEndpointTypes, inputParameters } from '../endpoint/<%= inputEndpointName %>'
 
 <% if (includeComments) { -%>
 // CustomTransport extends base types from endpoint and adds additional, Provider-specific types (if needed).
@@ -23,7 +22,7 @@ export type CustomTransportTypes = BaseEndpointTypes & {
 // different protocol, or you need custom functionality that built-in transports don't support. For example, custom, multistep authentication
 // for requests, paginated requests, on-chain data retrieval using third party libraries, and so on.
 <% } -%>
-export class CustomTransport<T extends CustomTransportTypes> implements Transport<T> {
+export class CustomTransport implements Transport<CustomTransportTypes> {
 <% if (includeComments) { -%>
   // name of the transport, used for logging
 <% } -%>
@@ -31,7 +30,7 @@ export class CustomTransport<T extends CustomTransportTypes> implements Transpor
 <% if (includeComments) { -%>
   // cache instance for caching responses from provider
 <% } -%>
-  responseCache!: ResponseCache<T>
+  responseCache!: ResponseCache<CustomTransportTypes>
 <% if (includeComments) { -%>
   // instance of Requester to be used for data fetching. Use this instance to perform http calls
 <% } -%>
@@ -41,7 +40,7 @@ export class CustomTransport<T extends CustomTransportTypes> implements Transpor
   // REQUIRED. Transport will be automatically initialized by the framework using this method. It will be called with transport
   // dependencies, adapter settings, endpoint name, and transport name as arguments. Use this method to initialize transport state
 <% } -%>
-  async initialize(dependencies: TransportDependencies<T>, _adapterSettings: CustomTransportTypes['Settings'], _endpointName: string, transportName: string): Promise<void> {
+  async initialize(dependencies: TransportDependencies<CustomTransportTypes>, _adapterSettings: CustomTransportTypes['Settings'], _endpointName: string, transportName: string): Promise<void> {
     this.responseCache = dependencies.responseCache
     this.requester = dependencies.requester
     this.name = transportName
@@ -52,7 +51,7 @@ export class CustomTransport<T extends CustomTransportTypes> implements Transpor
   // request, process it,save it in the cache and return to user.
 <% } -%>
   async foregroundExecute(
-    req: AdapterRequest<TypeFromDefinition<T['Parameters']>>,
+    req: AdapterRequest<typeof inputParameters.validated>
   ): Promise<AdapterResponse<CustomTransportTypes['Response']>> {
 
     // Custom transport logic