diff --git a/extensions/codex/src/conversation-binding.ts b/extensions/codex/src/conversation-binding.ts
index be0407ff4c2..b893036a143 100644
--- a/extensions/codex/src/conversation-binding.ts
+++ b/extensions/codex/src/conversation-binding.ts
@@ -352,9 +352,3 @@ function enqueueBoundTurn<T>(key: string, run: () => Promise<T>): Promise<T> {
   });
   return next;
 }
-
-export const __testing = {
-  resetQueues() {
-    getGlobalState().queues.clear();
-  },
-};
diff --git a/extensions/codex/src/conversation-control.ts b/extensions/codex/src/conversation-control.ts
index 235e6cb18a1..04e0b7f76ea 100644
--- a/extensions/codex/src/conversation-control.ts
+++ b/extensions/codex/src/conversation-control.ts
@@ -253,9 +253,3 @@ function permissionsForMode(mode: PermissionsMode): {
     ? { approvalPolicy: "never", sandbox: "danger-full-access" }
     : { approvalPolicy: "on-request", sandbox: "workspace-write" };
 }
-
-export const __testing = {
-  resetActiveTurns() {
-    getActiveTurns().clear();
-  },
-};
diff --git a/extensions/memory-core/src/concept-vocabulary.ts b/extensions/memory-core/src/concept-vocabulary.ts
index 9a5d4c52bff..b940af6d471 100644
--- a/extensions/memory-core/src/concept-vocabulary.ts
+++ b/extensions/memory-core/src/concept-vocabulary.ts
@@ -468,10 +468,3 @@ export function summarizeConceptTagScriptCoverage(
 
   return coverage;
 }
-
-export const __testing = {
-  normalizeConceptToken,
-  collectGlossaryMatches,
-  collectCompoundTokens,
-  collectSegmentTokens,
-};
diff --git a/extensions/twitch/src/types.ts b/extensions/twitch/src/types.ts
index d254890a141..2abbfdaf6ef 100644
--- a/extensions/twitch/src/types.ts
+++ b/extensions/twitch/src/types.ts
@@ -95,15 +95,6 @@ export interface TwitchChatMessage {
   chatType?: "group";
 }
 
-/**
- * Send result from Twitch client
- */
-export interface SendResult {
-  ok: boolean;
-  error?: string;
-  messageId?: string;
-}
-
 // Re-export core types for convenience
 export type {
   ChannelAccountSnapshot,
diff --git a/extensions/voice-call/src/config.ts b/extensions/voice-call/src/config.ts
index 8691472afe0..505430f5c40 100644
--- a/extensions/voice-call/src/config.ts
+++ b/extensions/voice-call/src/config.ts
@@ -1,7 +1,4 @@
-import {
-  REALTIME_VOICE_AGENT_CONSULT_TOOL_POLICIES,
-  type RealtimeVoiceAgentConsultToolPolicy,
-} from "openclaw/plugin-sdk/realtime-voice";
+import { REALTIME_VOICE_AGENT_CONSULT_TOOL_POLICIES } from "openclaw/plugin-sdk/realtime-voice";
 import {
   buildSecretInputSchema,
   hasConfiguredSecretInput,
@@ -110,7 +107,6 @@ export const VoiceCallTailscaleConfigSchema = z
   })
   .strict()
   .default({ mode: "off", path: "/voice/webhook" });
-export type VoiceCallTailscaleConfig = z.infer<typeof VoiceCallTailscaleConfigSchema>;
 
 // -----------------------------------------------------------------------------
 // Tunnel Configuration (unified ngrok/tailscale)
@@ -141,7 +137,6 @@ export const VoiceCallTunnelConfigSchema = z
   })
   .strict()
   .default({ provider: "none", allowNgrokFreeTierLoopbackBypass: false });
-export type VoiceCallTunnelConfig = z.infer<typeof VoiceCallTunnelConfigSchema>;
 
 // -----------------------------------------------------------------------------
 // Webhook Security Configuration
@@ -190,7 +185,6 @@ export const OutboundConfigSchema = z
   })
   .strict()
   .default({ defaultMode: "notify", notifyHangupDelaySec: 3 });
-export type OutboundConfig = z.infer<typeof OutboundConfigSchema>;
 
 // -----------------------------------------------------------------------------
 // Realtime Voice Configuration
@@ -213,17 +207,10 @@ export type RealtimeToolConfig = z.infer<typeof RealtimeToolSchema>;
 export const VoiceCallRealtimeProvidersConfigSchema = z
   .record(z.string(), z.record(z.string(), z.unknown()))
   .default({});
-export type VoiceCallRealtimeProvidersConfig = z.infer<
-  typeof VoiceCallRealtimeProvidersConfigSchema
->;
 
 export const VoiceCallRealtimeToolPolicySchema = z.enum(REALTIME_VOICE_AGENT_CONSULT_TOOL_POLICIES);
-export type VoiceCallRealtimeToolPolicy = RealtimeVoiceAgentConsultToolPolicy;
 
 export const VoiceCallRealtimeFastContextSourceSchema = z.enum(["memory", "sessions"]);
-export type VoiceCallRealtimeFastContextSource = z.infer<
-  typeof VoiceCallRealtimeFastContextSourceSchema
->;
 
 export const VoiceCallRealtimeFastContextConfigSchema = z
   .object({
@@ -256,9 +243,6 @@ export type VoiceCallRealtimeFastContextConfig = z.infer<
 export const VoiceCallStreamingProvidersConfigSchema = z
   .record(z.string(), z.record(z.string(), z.unknown()))
   .default({});
-export type VoiceCallStreamingProvidersConfig = z.infer<
-  typeof VoiceCallStreamingProvidersConfigSchema
->;
 
 export const VoiceCallRealtimeConfigSchema = z
   .object({
@@ -332,7 +316,6 @@ export const VoiceCallStreamingConfigSchema = z
     maxPendingConnectionsPerIp: 4,
     maxConnections: 128,
   });
-export type VoiceCallStreamingConfig = z.infer<typeof VoiceCallStreamingConfigSchema>;
 
 // -----------------------------------------------------------------------------
 // Main Voice Call Configuration
diff --git a/extensions/voice-call/src/types.ts b/extensions/voice-call/src/types.ts
index 2709e25f7a4..ea3b76dd33f 100644
--- a/extensions/voice-call/src/types.ts
+++ b/extensions/voice-call/src/types.ts
@@ -135,7 +135,6 @@ export type NormalizedEvent = z.infer<typeof NormalizedEventSchema>;
 // -----------------------------------------------------------------------------
 
 export const CallDirectionSchema = z.enum(["outbound", "inbound"]);
-export type CallDirection = z.infer<typeof CallDirectionSchema>;
 
 // -----------------------------------------------------------------------------
 // Call Record
diff --git a/extensions/xai/src/code-execution-shared.ts b/extensions/xai/src/code-execution-shared.ts
index 2c14a14d2b2..c16595fcf56 100644
--- a/extensions/xai/src/code-execution-shared.ts
+++ b/extensions/xai/src/code-execution-shared.ts
@@ -114,12 +114,3 @@ export async function requestXaiCodeExecution(params: {
     },
   );
 }
-
-export const __testing = {
-  buildXaiCodeExecutionPayload,
-  requestXaiCodeExecution,
-  resolveXaiCodeExecutionConfig,
-  resolveXaiCodeExecutionMaxTurns,
-  resolveXaiCodeExecutionModel,
-  XAI_DEFAULT_CODE_EXECUTION_MODEL,
-} as const;
diff --git a/extensions/xai/src/web-search-shared.ts b/extensions/xai/src/web-search-shared.ts
index c6b89eab1be..a26f7671395 100644
--- a/extensions/xai/src/web-search-shared.ts
+++ b/extensions/xai/src/web-search-shared.ts
@@ -93,13 +93,3 @@ export async function requestXaiWebSearch(params: {
     },
   );
 }
-
-export const __testing = {
-  buildXaiWebSearchPayload,
-  extractXaiWebSearchContent,
-  resolveXaiInlineCitations,
-  resolveXaiSearchConfig,
-  resolveXaiWebSearchModel,
-  requestXaiWebSearch,
-  XAI_DEFAULT_WEB_SEARCH_MODEL,
-} as const;
diff --git a/extensions/xai/src/x-search-shared.ts b/extensions/xai/src/x-search-shared.ts
index e0178ef034b..589d0481609 100644
--- a/extensions/xai/src/x-search-shared.ts
+++ b/extensions/xai/src/x-search-shared.ts
@@ -131,14 +131,3 @@ export async function requestXaiXSearch(params: {
     },
   );
 }
-
-export const __testing = {
-  buildXSearchTool,
-  buildXaiXSearchPayload,
-  requestXaiXSearch,
-  resolveXaiXSearchConfig,
-  resolveXaiXSearchInlineCitations,
-  resolveXaiXSearchMaxTurns,
-  resolveXaiXSearchModel,
-  XAI_DEFAULT_X_SEARCH_MODEL,
-} as const;