diff --git a/src/lib/__snapshots__/create-config.test.ts.snap b/src/lib/__snapshots__/create-config.test.ts.snap
index d5f1617b9b68..0b34e2d36e70 100644
--- a/src/lib/__snapshots__/create-config.test.ts.snap
+++ b/src/lib/__snapshots__/create-config.test.ts.snap
@@ -146,7 +146,6 @@ exports[`should create default config 1`] = `
       "removeUnsafeInlineStyleSrc": false,
       "resourceLimits": false,
       "responseTimeMetricsFix": false,
-      "responseTimeWithAppNameKillSwitch": false,
       "showInactiveUsers": false,
       "signals": false,
       "strictSchemaValidation": false,
diff --git a/src/lib/middleware/response-time-metrics.ts b/src/lib/middleware/response-time-metrics.ts
index 92d5e4661480..d83e3d926445 100644
--- a/src/lib/middleware/response-time-metrics.ts
+++ b/src/lib/middleware/response-time-metrics.ts
@@ -6,7 +6,6 @@ import type { InstanceStatsService } from '../services';
 import type { RequestHandler } from 'express';
 
 const _responseTime = responseTime.default;
-const appNameReportingThreshold = 1000;
 
 export const storeRequestedRoute: RequestHandler = (req, res, next) => {
     if (req.route) {
@@ -55,13 +54,6 @@ export function responseTimeMetrics(
         // when pathname is undefined use a fallback
         pathname = pathname ?? collapse(req.path);
         let appName: string | undefined;
-        if (
-            !flagResolver.isEnabled('responseTimeWithAppNameKillSwitch') &&
-            (instanceStatsService.getAppCountSnapshot('7d') ??
-                appNameReportingThreshold) < appNameReportingThreshold
-        ) {
-            appName = req.headers['unleash-appname'] ?? req.query.appName;
-        }
 
         const timingInfo = {
             path: pathname,
diff --git a/src/lib/types/experimental.ts b/src/lib/types/experimental.ts
index e6df34fecd5a..ac75f60da073 100644
--- a/src/lib/types/experimental.ts
+++ b/src/lib/types/experimental.ts
@@ -10,7 +10,6 @@ export type IFlagKey =
     | 'enableLicenseChecker'
     | 'embedProxy'
     | 'embedProxyFrontend'
-    | 'responseTimeWithAppNameKillSwitch'
     | 'maintenanceMode'
     | 'messageBanner'
     | 'featuresExportImport'
@@ -83,10 +82,6 @@ const flags: IFlags = {
         process.env.UNLEASH_EXPERIMENTAL_EMBED_PROXY_FRONTEND,
         true,
     ),
-    responseTimeWithAppNameKillSwitch: parseEnvVarBoolean(
-        process.env.UNLEASH_RESPONSE_TIME_WITH_APP_NAME_KILL_SWITCH,
-        false,
-    ),
     maintenanceMode: parseEnvVarBoolean(
         process.env.UNLEASH_EXPERIMENTAL_MAINTENANCE_MODE,
         false,
diff --git a/src/server-dev.ts b/src/server-dev.ts
index 33037fd15747..e38e397bada7 100644
--- a/src/server-dev.ts
+++ b/src/server-dev.ts
@@ -39,7 +39,6 @@ process.nextTick(async () => {
                         embedProxy: true,
                         embedProxyFrontend: true,
                         anonymiseEventLog: false,
-                        responseTimeWithAppNameKillSwitch: false,
                         stripHeadersOnAPI: true,
                         celebrateUnleash: true,
                         featureSearchFeedbackPosting: true,