diff --git a/src/infra/approval-gateway-resolver.ts b/src/infra/approval-gateway-resolver.ts
index 8f1266908d9..7bab5f476cb 100644
--- a/src/infra/approval-gateway-resolver.ts
+++ b/src/infra/approval-gateway-resolver.ts
@@ -3,7 +3,7 @@ import { withOperatorApprovalsGatewayClient } from "../gateway/operator-approval
 import { isApprovalNotFoundError } from "./approval-errors.js";
 import type { ExecApprovalDecision } from "./exec-approvals.js";
 
-export type ResolveApprovalOverGatewayParams = {
+type ResolveApprovalOverGatewayParams = {
   cfg: OpenClawConfig;
   approvalId: string;
   decision: ExecApprovalDecision;
diff --git a/src/infra/approval-handler-runtime.ts b/src/infra/approval-handler-runtime.ts
index 3929499550d..06b5c0bcac2 100644
--- a/src/infra/approval-handler-runtime.ts
+++ b/src/infra/approval-handler-runtime.ts
@@ -305,7 +305,7 @@ export function createChannelApprovalNativeRuntimeAdapter<
   };
 }
 
-export type ChannelApprovalHandlerRuntimeSpec<TRequest extends ApprovalRequest> = {
+type ChannelApprovalHandlerRuntimeSpec<TRequest extends ApprovalRequest> = {
   label: string;
   clientDisplayName: string;
   cfg: OpenClawConfig;
@@ -321,7 +321,7 @@ export type ChannelApprovalHandlerRuntimeSpec<TRequest extends ApprovalRequest>
   nowMs?: () => number;
 };
 
-export type ChannelApprovalHandlerContentSpec<
+type ChannelApprovalHandlerContentSpec<
   TPendingContent,
   TRequest extends ApprovalRequest = ApprovalRequest,
 > = {
@@ -332,14 +332,14 @@ export type ChannelApprovalHandlerContentSpec<
   }) => TPendingContent | Promise<TPendingContent>;
 };
 
-export type ChannelApprovalHandlerTransportSpec<
+type ChannelApprovalHandlerTransportSpec<
   TPendingEntry,
   TPreparedTarget,
   TPendingContent,
   TRequest extends ApprovalRequest = ApprovalRequest,
 > = ChannelNativeApprovalTransportSpec<TPendingEntry, TPreparedTarget, TPendingContent, TRequest>;
 
-export type ChannelApprovalHandlerLifecycleSpec<
+type ChannelApprovalHandlerLifecycleSpec<
   TPendingEntry,
   TPreparedTarget,
   TPendingContent,
diff --git a/src/infra/approval-native-runtime.ts b/src/infra/approval-native-runtime.ts
index 08cb9cd8ff5..7d20d9d6d61 100644
--- a/src/infra/approval-native-runtime.ts
+++ b/src/infra/approval-native-runtime.ts
@@ -28,7 +28,7 @@ type ApprovalResolved = ExecApprovalResolved | PluginApprovalResolved;
 
 export type { PreparedChannelNativeApprovalTarget } from "./approval-native-runtime-types.js";
 
-export type ChannelNativeApprovalPlanDeliveryResult<TPendingEntry> = {
+type ChannelNativeApprovalPlanDeliveryResult<TPendingEntry> = {
   entries: TPendingEntry[];
   deliveryPlan: ChannelApprovalNativeDeliveryPlan;
   deliveredTargets: ChannelApprovalNativePlannedTarget[];
diff --git a/src/infra/approval-request-account-binding.ts b/src/infra/approval-request-account-binding.ts
index fa3793a225a..29f625f2008 100644
--- a/src/infra/approval-request-account-binding.ts
+++ b/src/infra/approval-request-account-binding.ts
@@ -10,14 +10,14 @@ import { normalizeMessageChannel } from "../utils/message-channel.js";
 import type { ExecApprovalRequest } from "./exec-approvals.js";
 import type { PluginApprovalRequest } from "./plugin-approvals.js";
 
-export type ApprovalRequestLike = ExecApprovalRequest | PluginApprovalRequest;
+type ApprovalRequestLike = ExecApprovalRequest | PluginApprovalRequest;
 
 type ApprovalRequestSessionBinding = {
   channel?: string;
   accountId?: string;
 };
 
-export type PersistedApprovalRequestSessionEntry = {
+type PersistedApprovalRequestSessionEntry = {
   sessionKey: string;
   entry: SessionEntry;
 };
diff --git a/src/infra/approval-view-model.types.ts b/src/infra/approval-view-model.types.ts
index 746f5b5ce97..ae3c52da1a8 100644
--- a/src/infra/approval-view-model.types.ts
+++ b/src/infra/approval-view-model.types.ts
@@ -21,7 +21,7 @@ export type ApprovalMetadataView = {
   value: string;
 };
 
-export type ApprovalViewBase = {
+type ApprovalViewBase = {
   approvalId: string;
   approvalKind: ChannelApprovalKind;
   phase: ApprovalPhase;