diff --git a/src/app/(proper_react)/(redesign)/(authenticated)/user/(dashboard)/dashboard/[[...slug]]/page.tsx b/src/app/(proper_react)/(redesign)/(authenticated)/user/(dashboard)/dashboard/[[...slug]]/page.tsx
index 71237978a95..398d533014b 100644
--- a/src/app/(proper_react)/(redesign)/(authenticated)/user/(dashboard)/dashboard/[[...slug]]/page.tsx
+++ b/src/app/(proper_react)/(redesign)/(authenticated)/user/(dashboard)/dashboard/[[...slug]]/page.tsx
@@ -167,7 +167,7 @@ export default async function DashboardPage({ params, searchParams }: Props) {
       totalNumberOfPerformedScans={profileStats?.total}
       isNewUser={isNewUser}
       elapsedTimeInDaysSinceInitialScan={elapsedTimeInDaysSinceInitialScan}
-      experimentData={experimentData["Features"]}
+      experimentData={experimentData}
       activeTab={activeTab}
       hasFirstMonitoringScan={hasFirstMonitoringScan}
       signInCount={signInCount}
diff --git a/src/app/(proper_react)/(redesign)/(authenticated)/user/(dashboard)/settings/[[...slug]]/page.tsx b/src/app/(proper_react)/(redesign)/(authenticated)/user/(dashboard)/settings/[[...slug]]/page.tsx
index a90f861e91b..3ccd74f268f 100644
--- a/src/app/(proper_react)/(redesign)/(authenticated)/user/(dashboard)/settings/[[...slug]]/page.tsx
+++ b/src/app/(proper_react)/(redesign)/(authenticated)/user/(dashboard)/settings/[[...slug]]/page.tsx
@@ -125,7 +125,7 @@ export default async function SettingsPage({ params, searchParams }: Props) {
       yearlySubscriptionUrl={`${yearlySubscriptionUrl}&${additionalSubplatParams.toString()}`}
       subscriptionBillingAmount={getSubscriptionBillingAmount()}
       enabledFeatureFlags={enabledFeatureFlags}
-      experimentData={experimentData["Features"]}
+      experimentData={experimentData}
       lastScanDate={lastOneRepScan?.created_at}
       isMonthlySubscriber={isMonthlySubscriber}
       activeTab={activeTab}
diff --git a/src/app/(proper_react)/(redesign)/(authenticated)/user/welcome/[[...slug]]/page.tsx b/src/app/(proper_react)/(redesign)/(authenticated)/user/welcome/[[...slug]]/page.tsx
index f1c73fce090..409b60ecd59 100644
--- a/src/app/(proper_react)/(redesign)/(authenticated)/user/welcome/[[...slug]]/page.tsx
+++ b/src/app/(proper_react)/(redesign)/(authenticated)/user/welcome/[[...slug]]/page.tsx
@@ -77,7 +77,7 @@ export default async function Onboarding({ params, searchParams }: Props) {
       breachesTotalCount={allBreachesCount}
       stepId={firstSlug === FreeScanSlug ? "enterInfo" : "getStarted"}
       previousRoute={previousRoute}
-      experimentData={experimentData["Features"]}
+      experimentData={experimentData}
     />
   );
 }
diff --git a/src/app/(proper_react)/(redesign)/(public)/page.tsx b/src/app/(proper_react)/(redesign)/(public)/page.tsx
index 92e0960be44..bf8090cac58 100644
--- a/src/app/(proper_react)/(redesign)/(public)/page.tsx
+++ b/src/app/(proper_react)/(redesign)/(public)/page.tsx
@@ -59,14 +59,14 @@ export default async function Page({ searchParams }: Props) {
     oneRepActivations > monthlySubscribersQuota;
   return (
     <AccountsMetricsFlowProvider
-      enabled={experimentData["Features"]["landing-page-free-scan-cta"].enabled}
+      enabled={experimentData["landing-page-free-scan-cta"].enabled}
       metricsFlowParams={{
         entrypoint: CONST_URL_MONITOR_LANDING_PAGE_ID,
         entrypoint_experiment: "landing-page-free-scan-cta",
         entrypoint_variation:
-          experimentData["Features"]["landing-page-free-scan-cta"].variant,
+          experimentData["landing-page-free-scan-cta"].variant,
         form_type:
-          experimentData["Features"]["landing-page-free-scan-cta"].variant ===
+          experimentData["landing-page-free-scan-cta"].variant ===
           "ctaWithEmail"
             ? "email"
             : "button",
@@ -74,18 +74,16 @@ export default async function Page({ searchParams }: Props) {
       }}
     >
       {enabledFeatureFlags.includes("LandingPageRedesign") &&
-      experimentData["Features"][
-        "landing-page-redesign-plus-eligible-experiment"
-      ].enabled &&
-      experimentData["Features"][
-        "landing-page-redesign-plus-eligible-experiment"
-      ].variant === "redesign" ? (
+      experimentData["landing-page-redesign-plus-eligible-experiment"]
+        .enabled &&
+      experimentData["landing-page-redesign-plus-eligible-experiment"]
+        .variant === "redesign" ? (
         <LandingViewRedesign
           eligibleForPremium={eligibleForPremium}
           l10n={getL10n()}
           countryCode={countryCode}
           scanLimitReached={scanLimitReached}
-          experimentData={experimentData["Features"]}
+          experimentData={experimentData}
         />
       ) : (
         <LandingView
@@ -93,7 +91,7 @@ export default async function Page({ searchParams }: Props) {
           l10n={getL10n()}
           countryCode={countryCode}
           scanLimitReached={scanLimitReached}
-          experimentData={experimentData["Features"]}
+          experimentData={experimentData}
         />
       )}
     </AccountsMetricsFlowProvider>
diff --git a/src/app/api/v1/user/welcome-scan/create/route.ts b/src/app/api/v1/user/welcome-scan/create/route.ts
index 856e6be710b..9ca69454ce4 100644
--- a/src/app/api/v1/user/welcome-scan/create/route.ts
+++ b/src/app/api/v1/user/welcome-scan/create/route.ts
@@ -98,7 +98,7 @@ export async function POST(
     previewMode: searchParams.get("nimbus_preview") === "true",
   });
   const optionalInfoExperimentData =
-    experimentData["Features"]["welcome-scan-optional-info"];
+    experimentData["welcome-scan-optional-info"];
 
   const profileData: CreateProfileRequest = {
     first_name: firstName,
diff --git a/src/app/functions/server/getExperiments.ts b/src/app/functions/server/getExperiments.ts
index 205a036af4f..91b7868e841 100644
--- a/src/app/functions/server/getExperiments.ts
+++ b/src/app/functions/server/getExperiments.ts
@@ -28,9 +28,9 @@ export async function getExperiments(params: {
   locale: string;
   countryCode: string;
   previewMode: boolean;
-}): Promise<ExperimentData> {
+}): Promise<ExperimentData["Features"]> {
   if (["local"].includes(process.env.APP_ENV ?? "local")) {
-    return localExperimentData;
+    return localExperimentData["Features"];
   }
 
   if (!process.env.NIMBUS_SIDECAR_URL) {
@@ -87,7 +87,10 @@ export async function getExperiments(params: {
       experimentData = json;
     }
 
-    return (experimentData as ExperimentData) ?? defaultExperimentData;
+    return (
+      (experimentData as ExperimentData["Features"]) ??
+      defaultExperimentData["Features"]
+    );
   } catch (ex) {
     logger.error("Could not connect to Cirrus", {
       serverUrl,
@@ -96,6 +99,6 @@ export async function getExperiments(params: {
       params,
     });
     captureException(ex);
-    return defaultExperimentData;
+    return defaultExperimentData["Features"];
   }
 }
diff --git a/src/app/hooks/useGlean.ts b/src/app/hooks/useGlean.ts
index 4a966ddab58..8e5af988a7d 100644
--- a/src/app/hooks/useGlean.ts
+++ b/src/app/hooks/useGlean.ts
@@ -9,14 +9,9 @@ import EventMetricType from "@mozilla/glean/private/metrics/event";
 import type { GleanMetricMap } from "../../telemetry/generated/_map";
 import { useSession } from "next-auth/react";
 import { hasPremium } from "../functions/universal/user";
-import { useExperiments } from "../../contextProviders/experiments";
 
 export const useGlean = () => {
   const session = useSession();
-  const experimentData = useExperiments();
-  // Telemetry recording is mocked in our unit tests, therefore we
-  // do not have test coverage for this method.
-  /* c8 ignore start */
   const isPremiumUser = hasPremium(session.data?.user);
   const record = useCallback(
     async <
@@ -41,30 +36,10 @@ export const useGlean = () => {
         ? "Plus"
         : "Free";
 
-      // Record the `nimbus_*` keys on all events.
-      // `nimbus_*` is set on every metric, but it's too much work for TypeScript
-      // to infer that — hence the type assertion.
-      if (experimentData) {
-        (data as GleanMetricMap["button"]["click"]).nimbus_user_id =
-          experimentData["Enrollments"]["nimbus_user_id"];
-        (data as GleanMetricMap["button"]["click"]).nimbus_app_id =
-          experimentData["Enrollments"]["app_id"];
-        (data as GleanMetricMap["button"]["click"]).nimbus_experiment =
-          experimentData["Enrollments"]["experiment"];
-        (data as GleanMetricMap["button"]["click"]).nimbus_branch =
-          experimentData["Enrollments"]["branch"];
-        (data as GleanMetricMap["button"]["click"]).nimbus_experiment_type =
-          experimentData["Enrollments"]["experiment_type"];
-        (data as GleanMetricMap["button"]["click"]).nimbus_is_preview =
-          experimentData["Enrollments"]["is_preview"].toString();
-      } else {
-        console.warn("No experiment data available for Glean");
-      }
-
       // eslint-disable-next-line @typescript-eslint/no-explicit-any
       mod[event].record(data as any);
     },
-    [isPremiumUser, experimentData],
+    [isPremiumUser],
   );
   /* c8 ignore end */
 
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index 3a70ab599db..653c2b6bda7 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -17,10 +17,6 @@ import { GoogleAnalyticsWorkaround } from "./components/client/GoogleAnalyticsWo
 import StripeScript from "./components/client/StripeScript";
 import { GleanScript } from "./components/client/GleanScript";
 import { getExperimentationId } from "./functions/server/getExperimentationId";
-import { getExperiments } from "./functions/server/getExperiments";
-import { getCountryCode } from "./functions/server/getCountryCode";
-import { ExperimentsProvider } from "../contextProviders/experiments";
-import * as Sentry from "@sentry/nextjs";
 
 const inter = Inter({ subsets: ["latin"], variable: "--font-inter" });
 
@@ -58,26 +54,6 @@ export default async function RootLayout({
   const nonce = headers().get("x-nonce") ?? "";
   const currentLocale = getLocale(getL10nBundles());
   const session = await getServerSession();
-  const headersList = headers();
-  const countryCode = getCountryCode(headersList);
-
-  // Check for Nimbus preview mode. Note that this requires a full page reload
-  // to activate: https://nextjs.org/docs/app/api-reference/file-conventions/layout#caveats
-  const nimbusPreviewMode = headers().get("x-nimbus-preview-mode");
-  const experimentationId = getExperimentationId(session?.user ?? null);
-  const experimentData = await getExperiments({
-    experimentationId: experimentationId,
-    countryCode: countryCode,
-    locale: currentLocale,
-    previewMode: nimbusPreviewMode === "true",
-  });
-
-  const nimbus_user_id = experimentData["Enrollments"]?.nimbus_user_id ?? "";
-  if (nimbus_user_id !== experimentationId) {
-    Sentry.captureMessage(
-      `Nimbus user ID from Cirrus: [${nimbus_user_id}] did not match experimentationId: [${experimentationId}]`,
-    );
-  }
 
   return (
     <html lang={currentLocale}>
@@ -88,14 +64,12 @@ export default async function RootLayout({
         data-ga4-measurement-id={CONST_GA4_MEASUREMENT_ID}
         data-node-env={process.env.NODE_ENV}
       >
-        <ExperimentsProvider experimentData={experimentData}>
-          <SessionProvider session={session}>{children}</SessionProvider>
-        </ExperimentsProvider>
+        <SessionProvider session={session}>{children}</SessionProvider>
       </body>
       <StripeScript />
       <GleanScript
         channel={process.env.APP_ENV ?? ""}
-        experimentationId={experimentationId}
+        experimentationId={getExperimentationId(session?.user ?? null)}
       />
       {headers().get("DNT") !== "1" && (
         <GoogleAnalyticsWorkaround
diff --git a/src/contextProviders/experiments.tsx b/src/contextProviders/experiments.tsx
deleted file mode 100644
index 0e9e5dcd35f..00000000000
--- a/src/contextProviders/experiments.tsx
+++ /dev/null
@@ -1,31 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use client";
-
-import { ReactNode, createContext, useContext } from "react";
-import { ExperimentData } from "../telemetry/generated/nimbus/experiments";
-
-interface ExperimentsProviderProps {
-  children: ReactNode;
-  experimentData: ExperimentData;
-}
-
-export const ExperimentsContext = createContext<ExperimentData | null>(null);
-
-export const ExperimentsProvider = ({
-  children,
-  experimentData,
-}: ExperimentsProviderProps) => {
-  return (
-    <ExperimentsContext.Provider value={experimentData}>
-      {children}
-    </ExperimentsContext.Provider>
-  );
-};
-
-export const useExperiments = () => {
-  const context = useContext(ExperimentsContext);
-  return context;
-};
diff --git a/src/middleware.ts b/src/middleware.ts
index b713ef80b39..81771ac3f9a 100644
--- a/src/middleware.ts
+++ b/src/middleware.ts
@@ -29,14 +29,6 @@ export function middleware(request: NextRequest) {
     existingExperimentationId?.value ?? `guest-${crypto.randomUUID()}`;
   requestHeaders.set("x-experimentation-id", experimentationId);
 
-  // Check for Nimbus preview mode. Note that this requires a full page reload
-  // to activate: https://nextjs.org/docs/app/api-reference/file-conventions/layout#caveats
-  const nimbusPreviewMode = request.nextUrl.searchParams.get("nimbus_preview");
-  requestHeaders.set(
-    "x-nimbus-preview-mode",
-    nimbusPreviewMode === "true" ? "true" : "false",
-  );
-
   const response = NextResponse.next({
     request: {
       headers: requestHeaders,
diff --git a/src/telemetry/metrics.yaml b/src/telemetry/metrics.yaml
index e7755eb247d..322d759f7f4 100644
--- a/src/telemetry/metrics.yaml
+++ b/src/telemetry/metrics.yaml
@@ -56,24 +56,6 @@ page:
       plan_tier:
         description: Which tier of plan the user is on [Free, Plus]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
 
 dashboard:
   view:
@@ -120,24 +102,6 @@ dashboard:
       plan_tier:
         description: Which tier of plan the user is on [Free, Plus]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
 
 popup:
   view:
@@ -171,24 +135,6 @@ popup:
       plan_tier:
         description: Which tier of plan the user is on [Free, Plus]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
 
   exit:
     type: event
@@ -221,24 +167,6 @@ popup:
       plan_tier:
         description: Which tier of plan the user is on [Free, Plus]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
 
 banner:
   view:
@@ -272,24 +200,6 @@ banner:
       plan_tier:
         description: Which tier of plan the user is on [Free, Plus]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
 
 button:
   click:
@@ -323,24 +233,6 @@ button:
       plan_tier:
         description: Which tier of plan the user is on [Free, Plus]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
 
 field:
   focus:
@@ -374,24 +266,6 @@ field:
       plan_tier:
         description: Which tier of plan the user is on [Free, Plus]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
 
 link:
   click:
@@ -425,24 +299,6 @@ link:
       plan_tier:
         description: Which tier of plan the user is on [Free, Plus]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
 
 upgrade_intent:
   click:
@@ -476,24 +332,6 @@ upgrade_intent:
       plan_tier:
         description: Which tier of plan the user is on [Free, Plus]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
 
   success:
     type: event
@@ -524,24 +362,6 @@ upgrade_intent:
       plan_tier:
         description: Which tier of plan the user is on [Free, Plus]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
 
 expand:
   click:
@@ -575,24 +395,6 @@ expand:
       plan_tier:
         description: Which tier of plan the user is on [Free, Plus]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
 
 collapse:
   click:
@@ -626,24 +428,6 @@ collapse:
       plan_tier:
         description: Which tier of plan the user is on [Free, Plus]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
 
 cta_button:
   click:
@@ -677,24 +461,6 @@ cta_button:
       plan_tier:
         description: Which tier of plan the user is on [Free, Plus]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
 
   view:
     type: event
@@ -727,24 +493,6 @@ cta_button:
       plan_tier:
         description: Which tier of plan the user is on [Free, Plus]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
 
 csat_survey:
   view:
@@ -778,25 +526,6 @@ csat_survey:
       automated_removal_period:
         description: The time period since the first automated removal for the user. [initial, 3-months, 6-months, 12-months]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
-
   dismiss:
     type: event
     description: |
@@ -828,25 +557,6 @@ csat_survey:
       automated_removal_period:
         description: The time period since the first automated removal for the user. [initial, 3-months, 6-months, 12-months]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string
-
   click:
     type: event
     description: |
@@ -881,21 +591,3 @@ csat_survey:
       automated_removal_period:
         description: The time period since the first automated removal for the user. [initial, 3-months, 6-months, 12-months]
         type: string
-      nimbus_user_id:
-        description: Nimbus user ID
-        type: string
-      nimbus_app_id:
-        description: Nimbus application ID
-        type: string
-      nimbus_experiment:
-        description: Nimbus experiment name
-        type: string
-      nimbus_branch:
-        description: Nimbus branch
-        type: string
-      nimbus_experiment_type:
-        description: Nimbus experiment type
-        type: string
-      nimbus_is_preview:
-        description: Nimbus preview mode enabled
-        type: string