diff --git a/extensions/memory-core/src/cli.host.runtime.ts b/extensions/memory-core/src/cli.host.runtime.ts
index f4b0a4ca217..24a9c05ea83 100644
--- a/extensions/memory-core/src/cli.host.runtime.ts
+++ b/extensions/memory-core/src/cli.host.runtime.ts
@@ -15,7 +15,6 @@ export {
 export {
   getRuntimeConfig,
   resolveDefaultAgentId,
-  resolveSessionTranscriptsDirForAgent,
   resolveStateDir,
   type OpenClawConfig,
 } from "openclaw/plugin-sdk/memory-core-host-runtime-core";
diff --git a/extensions/memory-core/src/cli.test.ts b/extensions/memory-core/src/cli.test.ts
index c90ca74211d..e6787837e74 100644
--- a/extensions/memory-core/src/cli.test.ts
+++ b/extensions/memory-core/src/cli.test.ts
@@ -38,7 +38,6 @@ vi.mock("./cli.host.runtime.js", async () => {
     normalizeExtraMemoryPaths: runtimeFiles.normalizeExtraMemoryPaths,
     resolveCommandSecretRefsViaGateway,
     resolveDefaultAgentId,
-    resolveSessionTranscriptsDirForAgent: runtimeCore.resolveSessionTranscriptsDirForAgent,
     resolveStateDir: runtimeCore.resolveStateDir,
     setVerbose: runtimeCli.setVerbose,
     shortenHomeInString: runtimeCli.shortenHomeInString,
diff --git a/packages/memory-host-sdk/src/engine-foundation.ts b/packages/memory-host-sdk/src/engine-foundation.ts
index 0c8400ed7f3..4ccb2a5436e 100644
--- a/packages/memory-host-sdk/src/engine-foundation.ts
+++ b/packages/memory-host-sdk/src/engine-foundation.ts
@@ -16,7 +16,6 @@ export {
 export { parseDurationMs } from "./host/openclaw-runtime-config.js";
 export { loadConfig } from "./host/openclaw-runtime-config.js";
 export { resolveStateDir } from "./host/openclaw-runtime-config.js";
-export { resolveSessionTranscriptsDirForAgent } from "./host/openclaw-runtime-config.js";
 export {
   hasConfiguredSecretInput,
   normalizeResolvedSecretInputString,
diff --git a/packages/memory-host-sdk/src/host/openclaw-runtime-config.ts b/packages/memory-host-sdk/src/host/openclaw-runtime-config.ts
index 2620d437a2c..ac90b491d67 100644
--- a/packages/memory-host-sdk/src/host/openclaw-runtime-config.ts
+++ b/packages/memory-host-sdk/src/host/openclaw-runtime-config.ts
@@ -5,7 +5,6 @@ export {
   normalizeResolvedSecretInputString,
   parseDurationMs,
   parseNonNegativeByteSize,
-  resolveSessionTranscriptsDirForAgent,
   resolveStateDir,
 } from "./openclaw-runtime.js";
 export type {
diff --git a/packages/memory-host-sdk/src/host/openclaw-runtime-session.ts b/packages/memory-host-sdk/src/host/openclaw-runtime-session.ts
index 46444368419..472dd18a5ec 100644
--- a/packages/memory-host-sdk/src/host/openclaw-runtime-session.ts
+++ b/packages/memory-host-sdk/src/host/openclaw-runtime-session.ts
@@ -14,7 +14,6 @@ export {
   onSessionTranscriptUpdate,
   parseUsageCountedSessionIdFromFileName,
   resolveSqliteSessionTranscriptScopeForPath,
-  resolveSessionTranscriptsDirForAgent,
   stripInboundMetadata,
   stripInternalRuntimeContext,
 } from "./openclaw-runtime.js";
diff --git a/packages/memory-host-sdk/src/host/openclaw-runtime.ts b/packages/memory-host-sdk/src/host/openclaw-runtime.ts
index 15fbe200563..7b3d3b0c386 100644
--- a/packages/memory-host-sdk/src/host/openclaw-runtime.ts
+++ b/packages/memory-host-sdk/src/host/openclaw-runtime.ts
@@ -53,7 +53,6 @@ export {
   isUsageCountedSessionTranscriptFileName,
   parseUsageCountedSessionIdFromFileName,
 } from "../../../../src/config/sessions/artifacts.js";
-export { resolveSessionTranscriptsDirForAgent } from "../../../../src/config/sessions/paths.js";
 export {
   listSqliteSessionTranscripts,
   loadSqliteSessionTranscriptEvents,
diff --git a/packages/memory-host-sdk/src/runtime-core.ts b/packages/memory-host-sdk/src/runtime-core.ts
index 4c1cb382524..422096c4b2f 100644
--- a/packages/memory-host-sdk/src/runtime-core.ts
+++ b/packages/memory-host-sdk/src/runtime-core.ts
@@ -19,7 +19,6 @@ export {
   loadConfig,
 } from "./host/openclaw-runtime-config.js";
 export { resolveStateDir } from "./host/openclaw-runtime-config.js";
-export { resolveSessionTranscriptsDirForAgent } from "./host/openclaw-runtime-config.js";
 export { emptyPluginConfigSchema } from "./host/openclaw-runtime-memory.js";
 export {
   buildActiveMemoryPromptSection,
diff --git a/src/config/sessions.test.ts b/src/config/sessions.test.ts
index 9e275d6a8f1..f57a937cf46 100644
--- a/src/config/sessions.test.ts
+++ b/src/config/sessions.test.ts
@@ -12,7 +12,7 @@ import {
   resolveSessionKey,
   updateLastRoute,
 } from "./sessions.js";
-import { resolveSessionFilePath, resolveSessionTranscriptsDir } from "./sessions/paths.js";
+import { resolveSessionFilePath } from "./sessions/paths.js";
 import {
   deleteSessionEntry,
   listSessionEntries,
@@ -599,14 +599,6 @@ describe("sessions", () => {
     expect(entry.lastProvider).toBeUndefined();
   });
 
-  it("derives session transcripts dir from OPENCLAW_STATE_DIR", () => {
-    const dir = resolveSessionTranscriptsDir(
-      { OPENCLAW_STATE_DIR: "/custom/state" } as NodeJS.ProcessEnv,
-      () => "/home/ignored",
-    );
-    expect(dir).toBe(path.join(path.resolve("/custom/state"), "agents", "main", "sessions"));
-  });
-
   it("uses agent id when resolving session file fallback paths", () => {
     withStateDir("/custom/state", () => {
       const sessionFile = resolveSessionFilePath("sess-2", undefined, {
diff --git a/src/config/sessions/paths.ts b/src/config/sessions/paths.ts
index 0a7b933c50e..1c9d7b0d773 100644
--- a/src/config/sessions/paths.ts
+++ b/src/config/sessions/paths.ts
@@ -15,13 +15,6 @@ function resolveAgentSessionsDir(
   return path.join(root, "agents", id, "sessions");
 }
 
-export function resolveSessionTranscriptsDir(
-  env: NodeJS.ProcessEnv = process.env,
-  homedir: () => string = () => resolveRequiredHomeDir(env, os.homedir),
-): string {
-  return resolveAgentSessionsDir(DEFAULT_AGENT_ID, env, homedir);
-}
-
 export function resolveSessionTranscriptsDirForAgent(
   agentId?: string,
   env: NodeJS.ProcessEnv = process.env,
diff --git a/src/plugin-sdk/memory-core-host-engine-foundation.ts b/src/plugin-sdk/memory-core-host-engine-foundation.ts
index dd926e61194..bf9fe12f74d 100644
--- a/src/plugin-sdk/memory-core-host-engine-foundation.ts
+++ b/src/plugin-sdk/memory-core-host-engine-foundation.ts
@@ -16,7 +16,6 @@ export { parseDurationMs } from "../cli/parse-duration.js";
 export { loadConfig } from "../config/config.js";
 export type { OpenClawConfig } from "../config/config.js";
 export { resolveStateDir } from "../config/paths.js";
-export { resolveSessionTranscriptsDirForAgent } from "../config/sessions/paths.js";
 export {
   hasConfiguredSecretInput,
   normalizeResolvedSecretInputString,
diff --git a/src/plugin-sdk/memory-core-host-runtime-core.ts b/src/plugin-sdk/memory-core-host-runtime-core.ts
index 3666144b0e4..6e08e045eef 100644
--- a/src/plugin-sdk/memory-core-host-runtime-core.ts
+++ b/src/plugin-sdk/memory-core-host-runtime-core.ts
@@ -18,7 +18,6 @@ export { parseNonNegativeByteSize } from "../config/byte-size.js";
 export { getRuntimeConfig, loadConfig } from "../config/config.js";
 export type { OpenClawConfig } from "../config/config.js";
 export { resolveStateDir } from "../config/paths.js";
-export { resolveSessionTranscriptsDirForAgent } from "../config/sessions/paths.js";
 export {
   appendSqliteSessionTranscriptEvent,
   replaceSqliteSessionTranscriptEvents,