diff --git a/src/types/sdk-stubs.d.ts b/src/types/sdk-stubs.d.ts
deleted file mode 100644
index 6633a5eb1..000000000
--- a/src/types/sdk-stubs.d.ts
+++ /dev/null
@@ -1,117 +0,0 @@
-/**
- * Stub type declarations for missing SDK modules.
- *
- * These modules are referenced in the open-source codebase but their source
- * is not yet published. All types are exported as `any` to suppress TS errors
- * while keeping the import/export structure valid.
- */
-
-// ============================================================================
-// coreTypes.generated.js — Generated from coreSchemas.ts Zod schemas
-// ============================================================================
-declare module "*/sdk/coreTypes.generated.js" {
-  // Usage & Model
-  export type ModelUsage = {
-    inputTokens: number
-    outputTokens: number
-    cacheReadInputTokens: number
-    cacheCreationInputTokens: number
-    webSearchRequests: number
-    costUSD: number
-    contextWindow: number
-    maxOutputTokens: number
-  }
-  export type ApiKeySource = string
-  export type ModelInfo = {
-    name: string
-    displayName?: string
-    [key: string]: unknown
-  }
-
-  // MCP
-  export type McpServerConfigForProcessTransport = {
-    command: string
-    args: string[]
-    type?: "stdio"
-    env?: Record<string, string>
-  } & { scope: string; pluginSource?: string }
-  export type McpServerStatus = {
-    name: string
-    status: "connected" | "disconnected" | "error"
-    [key: string]: unknown
-  }
-
-  // Permissions
-  export type PermissionMode = string
-  export type PermissionResult =
-    | { behavior: "allow" }
-    | { behavior: "deny"; message?: string }
-  export type PermissionUpdate = {
-    path: string
-    permission: string
-    [key: string]: unknown
-  }
-
-  // Rewind
-  export type RewindFilesResult = {
-    filesChanged: string[]
-    [key: string]: unknown
-  }
-
-  // Hook types
-  export type HookInput = { hook_event_name: string; [key: string]: unknown }
-  export type HookJSONOutput = { [key: string]: unknown }
-  export type AsyncHookJSONOutput = { [key: string]: unknown }
-  export type SyncHookJSONOutput = { [key: string]: unknown }
-  export type PreToolUseHookInput = HookInput & { tool_name: string }
-  export type PostToolUseHookInput = HookInput & { tool_name: string }
-  export type PostToolUseFailureHookInput = HookInput & { tool_name: string }
-  export type PermissionRequestHookInput = HookInput & { tool_name: string }
-  export type PermissionDeniedHookInput = HookInput
-  export type NotificationHookInput = HookInput & { message: string }
-  export type UserPromptSubmitHookInput = HookInput & { prompt: string }
-  export type SessionStartHookInput = HookInput
-  export type SessionEndHookInput = HookInput & { exit_reason: string }
-  export type SetupHookInput = HookInput
-  export type StopHookInput = HookInput
-  export type StopFailureHookInput = HookInput
-  export type SubagentStartHookInput = HookInput
-  export type SubagentStopHookInput = HookInput
-  export type PreCompactHookInput = HookInput
-  export type PostCompactHookInput = HookInput
-  export type TeammateIdleHookInput = HookInput
-  export type TaskCreatedHookInput = HookInput
-  export type TaskCompletedHookInput = HookInput
-  export type ElicitationHookInput = HookInput
-  export type ElicitationResultHookInput = HookInput
-  export type ConfigChangeHookInput = HookInput
-  export type InstructionsLoadedHookInput = HookInput
-  export type CwdChangedHookInput = HookInput & { cwd: string }
-  export type FileChangedHookInput = HookInput & { path: string }
-
-  // SDK Message types
-  export type SDKMessage = { type: string; [key: string]: unknown }
-  export type SDKUserMessage = { type: "user"; content: unknown; uuid: string; [key: string]: unknown }
-  export type SDKUserMessageReplay = SDKUserMessage
-  export type SDKAssistantMessage = { type: "assistant"; content: unknown; [key: string]: unknown }
-  export type SDKAssistantErrorMessage = { type: "assistant_error"; error: unknown; [key: string]: unknown }
-  export type SDKAssistantMessageError = 'authentication_failed' | 'billing_error' | 'rate_limit' | 'invalid_request' | 'server_error' | 'unknown' | 'max_output_tokens'
-  export type SDKPartialAssistantMessage = { type: "partial_assistant"; [key: string]: unknown }
-  export type SDKResultMessage = { type: "result"; [key: string]: unknown }
-  export type SDKResultSuccess = { type: "result_success"; [key: string]: unknown }
-  export type SDKSystemMessage = { type: "system"; [key: string]: unknown }
-  export type SDKStatusMessage = { type: "status"; [key: string]: unknown }
-  export type SDKToolProgressMessage = { type: "tool_progress"; [key: string]: unknown }
-  export type SDKCompactBoundaryMessage = { type: "compact_boundary"; [key: string]: unknown }
-  export type SDKPermissionDenial = { type: "permission_denial"; [key: string]: unknown }
-  export type SDKRateLimitInfo = { type: "rate_limit"; [key: string]: unknown }
-  export type SDKStatus = "active" | "idle" | "error" | string
-  export type SDKSessionInfo = {
-    sessionId: string
-    summary?: string
-    [key: string]: unknown
-  }
-
-  // Account
-  export type AccountInfo = { [key: string]: unknown }
-}