diff --git a/src/plugin-sdk/provider-entry.test.ts b/src/plugin-sdk/provider-entry.test.ts
index bc4e9e90eda7..bff1055a4ed4 100644
--- a/src/plugin-sdk/provider-entry.test.ts
+++ b/src/plugin-sdk/provider-entry.test.ts
@@ -64,7 +64,6 @@ function createCatalogContext(
       mode: "api_key",
       source: "env",
     }),
-    resolveProviderAuthProfiles: () => [],
   };
 }
 
diff --git a/src/plugins/provider-catalog.test.ts b/src/plugins/provider-catalog.test.ts
index a33511bbae27..0a4ca7c3958a 100644
--- a/src/plugins/provider-catalog.test.ts
+++ b/src/plugins/provider-catalog.test.ts
@@ -33,7 +33,6 @@ function createCatalogContext(params: {
       mode: providerId && params.apiKeys?.[providerId] ? "api_key" : "none",
       source: providerId && params.apiKeys?.[providerId] ? "env" : "none",
     }),
-    resolveProviderAuthProfiles: () => [],
   };
 }
 
diff --git a/src/plugins/provider-catalog.types.ts b/src/plugins/provider-catalog.types.ts
index 41133590e79a..e0d61b9918a9 100644
--- a/src/plugins/provider-catalog.types.ts
+++ b/src/plugins/provider-catalog.types.ts
@@ -41,7 +41,7 @@ export type ProviderCatalogContext = {
     profileId?: string;
   };
   /** Runtime-ordered auth candidates for profile-aware live discovery. */
-  resolveProviderAuthProfiles: (
+  resolveProviderAuthProfiles?: (
     providerId?: string,
     options?: { oauthMarker?: string },
   ) => ProviderCatalogAuthResolution[];
diff --git a/src/plugins/provider-discovery.runtime.test.ts b/src/plugins/provider-discovery.runtime.test.ts
index 7783b1e1a5ed..2386e60c3227 100644
--- a/src/plugins/provider-discovery.runtime.test.ts
+++ b/src/plugins/provider-discovery.runtime.test.ts
@@ -695,7 +695,6 @@ describe("resolvePluginDiscoveryProvidersRuntime", () => {
         env: {},
         resolveProviderApiKey: () => ({ apiKey: undefined }),
         resolveProviderAuth: () => ({ apiKey: undefined, mode: "none", source: "none" }),
-        resolveProviderAuthProfiles: () => [],
       }),
     ).resolves.toEqual({
       providers: {
@@ -791,7 +790,6 @@ describe("resolvePluginDiscoveryProvidersRuntime", () => {
         env: {},
         resolveProviderApiKey: () => ({ apiKey: undefined }),
         resolveProviderAuth: () => ({ apiKey: undefined, mode: "none", source: "none" }),
-        resolveProviderAuthProfiles: () => [],
       }),
     ).resolves.toEqual({
       providers: {