diff --git a/deadlock-plugins/deadlock-extension/src/core/keycloakOAuth2DeviceFlowConnectionTokenProvider.ts b/deadlock-plugins/deadlock-extension/src/core/keycloakOAuth2DeviceFlowConnectionTokenProvider.ts
index a509f7d30ece23e7466382a4293c7ac10ef23317..a82899067718bff28dbd78ef7e7ffea0a0f9572f 100644
--- a/deadlock-plugins/deadlock-extension/src/core/keycloakOAuth2DeviceFlowConnectionTokenProvider.ts
+++ b/deadlock-plugins/deadlock-extension/src/core/keycloakOAuth2DeviceFlowConnectionTokenProvider.ts
@@ -156,7 +156,7 @@ export default class KeycloakOAuth2DeviceFlowConnectionTokenProvider {
  * KEEP the SAME case \
  * to respect keycloak API return
  */
-export interface DeviceAuthorizationRequestResponseData {
+interface DeviceAuthorizationRequestResponseData {
 	device_code?: string;
 	user_code?: string;
 	verification_uri?: string;
@@ -169,7 +169,7 @@ export interface DeviceAuthorizationRequestResponseData {
  * KEEP the SAME case \
  * to respect keycloak API return
  */
-export interface SuccessfulAuthenticationResponseData {
+interface SuccessfulAuthenticationResponseData {
 	access_token?: string;
 	expires_in?: number;
 	'not-before-policy'?: number;
@@ -180,13 +180,11 @@ export interface SuccessfulAuthenticationResponseData {
 	token_type?: 'Bearer' | string;
 }
 
-export interface FailedAuthenticationReponseData {
+interface FailedAuthenticationReponseData {
 	error?: string;
 	error_description?: string;
 }
 
-export type AuthenticationResponse = SuccessfulAuthenticationResponseData | FailedAuthenticationReponseData;
-
 function sleep(ms: number) {
 	return new Promise((resolve) => setTimeout(resolve, ms));
 }