diff --git a/src/agents/pi-auth-credentials.ts b/src/agents/pi-auth-credentials.ts
index 6132bae43ec..59fbdc34251 100644
--- a/src/agents/pi-auth-credentials.ts
+++ b/src/agents/pi-auth-credentials.ts
@@ -2,8 +2,8 @@ import { normalizeOptionalString } from "../shared/string-coerce.js";
 import type { AuthProfileCredential, AuthProfileStore } from "./auth-profiles.js";
 import { normalizeProviderId } from "./provider-id.js";
 
-export type PiApiKeyCredential = { type: "api_key"; key: string };
-export type PiOAuthCredential = {
+type PiApiKeyCredential = { type: "api_key"; key: string };
+type PiOAuthCredential = {
   type: "oauth";
   access: string;
   refresh: string;
@@ -13,7 +13,7 @@ export type PiOAuthCredential = {
 export type PiCredential = PiApiKeyCredential | PiOAuthCredential;
 export type PiCredentialMap = Record<string, PiCredential>;
 
-export function convertAuthProfileCredentialToPi(cred: AuthProfileCredential): PiCredential | null {
+function convertAuthProfileCredentialToPi(cred: AuthProfileCredential): PiCredential | null {
   if (cred.type === "api_key") {
     const key = normalizeOptionalString(cred.key) ?? "";
     if (!key) {
diff --git a/src/agents/pi-bundle-mcp-names.ts b/src/agents/pi-bundle-mcp-names.ts
index 489176eca6a..7345ee86a72 100644
--- a/src/agents/pi-bundle-mcp-names.ts
+++ b/src/agents/pi-bundle-mcp-names.ts
@@ -30,7 +30,7 @@ export function sanitizeServerName(raw: string, usedNames: Set<string>): string
   return candidate;
 }
 
-export function sanitizeToolName(raw: string): string {
+function sanitizeToolName(raw: string): string {
   return sanitizeToolFragment(raw, "tool");
 }
 
diff --git a/src/agents/pi-embedded-subscribe.tools.ts b/src/agents/pi-embedded-subscribe.tools.ts
index cf91eef3aab..e027662a3e2 100644
--- a/src/agents/pi-embedded-subscribe.tools.ts
+++ b/src/agents/pi-embedded-subscribe.tools.ts
@@ -325,7 +325,7 @@ export function filterToolResultMediaUrls(
  * returns base64 image data but no file path; those need a different delivery
  * path like saving to a temp file).
  */
-export type ToolResultMediaArtifact = {
+type ToolResultMediaArtifact = {
   mediaUrls: string[];
   audioAsVoice?: boolean;
   trustedLocalMedia?: boolean;
diff --git a/src/agents/pi-settings.ts b/src/agents/pi-settings.ts
index bd1ced83b3a..3046d406429 100644
--- a/src/agents/pi-settings.ts
+++ b/src/agents/pi-settings.ts
@@ -123,9 +123,7 @@ export function applyPiCompactionSettingsFromConfig(params: {
 }
 
 /** Decide whether Pi's internal auto-compaction should be disabled for this run. */
-export function shouldDisablePiAutoCompaction(params: {
-  contextEngineInfo?: ContextEngineInfo;
-}): boolean {
+function shouldDisablePiAutoCompaction(params: { contextEngineInfo?: ContextEngineInfo }): boolean {
   return params.contextEngineInfo?.ownsCompaction === true;
 }