diff --git a/src/sdkClient/client.ts b/src/sdkClient/client.ts
index 8da54dd3..cea1a265 100644
--- a/src/sdkClient/client.ts
+++ b/src/sdkClient/client.ts
@@ -9,7 +9,7 @@ import { IEvaluationResult } from '../evaluator/types';
 import { SplitIO, ImpressionDTO } from '../types';
 import { IMPRESSION, IMPRESSION_QUEUEING } from '../logger/constants';
 import { ISdkFactoryContext } from '../sdkFactory/types';
-import { isStorageSync } from '../trackers/impressionObserver/utils';
+import { isConsumerMode } from '../utils/settingsValidation/mode';
 import { Method } from '../sync/submitters/types';
 
 const treatmentNotReady = { treatment: CONTROL, label: SDK_NOT_READY };
@@ -43,9 +43,9 @@ export function clientFactory(params: ISdkFactoryContext): SplitIO.IClient | Spl
 
     const evaluation = readinessManager.isReady() || readinessManager.isReadyFromCache() ?
       evaluateFeature(log, key, featureFlagName, attributes, storage) :
-      isStorageSync(settings) ? // If the SDK is not ready, treatment may be incorrect due to having splits but not segments data, or storage is not connected
-        treatmentNotReady :
-        Promise.resolve(treatmentNotReady); // Promisify if async
+      isConsumerMode(mode) ? // If the SDK is not ready, treatment may be incorrect due to having splits but not segments data, or storage is not connected
+        Promise.resolve(treatmentNotReady) : // Promisify if async
+        treatmentNotReady;
 
     return thenable(evaluation) ? evaluation.then((res) => wrapUp(res)) : wrapUp(evaluation);
   }
@@ -71,9 +71,9 @@ export function clientFactory(params: ISdkFactoryContext): SplitIO.IClient | Spl
 
     const evaluations = readinessManager.isReady() || readinessManager.isReadyFromCache() ?
       evaluateFeatures(log, key, featureFlagNames, attributes, storage) :
-      isStorageSync(settings) ? // If the SDK is not ready, treatment may be incorrect due to having splits but not segments data, or storage is not connected
-        treatmentsNotReady(featureFlagNames) :
-        Promise.resolve(treatmentsNotReady(featureFlagNames)); // Promisify if async
+      isConsumerMode(mode) ? // If the SDK is not ready, treatment may be incorrect due to having splits but not segments data, or storage is not connected
+        Promise.resolve(treatmentsNotReady(featureFlagNames)) : // Promisify if async
+        treatmentsNotReady(featureFlagNames);
 
     return thenable(evaluations) ? evaluations.then((res) => wrapUp(res)) : wrapUp(evaluations);
   }
@@ -100,7 +100,7 @@ export function clientFactory(params: ISdkFactoryContext): SplitIO.IClient | Spl
 
     const evaluations = readinessManager.isReady() || readinessManager.isReadyFromCache() ?
       evaluateFeaturesByFlagSets(log, key, flagSetNames, attributes, storage, methodName) :
-      isStorageSync(settings) ? {} : Promise.resolve({}); // Promisify if async
+      isConsumerMode(mode) ? Promise.resolve({}) : {}; // Promisify if async
 
     return thenable(evaluations) ? evaluations.then((res) => wrapUp(res)) : wrapUp(evaluations);
   }
diff --git a/src/sdkClient/clientInputValidation.ts b/src/sdkClient/clientInputValidation.ts
index c5b49b49..1fc614eb 100644
--- a/src/sdkClient/clientInputValidation.ts
+++ b/src/sdkClient/clientInputValidation.ts
@@ -16,7 +16,7 @@ import { CONTROL, CONTROL_WITH_CONFIG, GET_TREATMENT, GET_TREATMENTS, GET_TREATM
 import { IReadinessManager } from '../readiness/types';
 import { MaybeThenable } from '../dtos/types';
 import { ISettings, SplitIO } from '../types';
-import { isStorageSync } from '../trackers/impressionObserver/utils';
+import { isConsumerMode } from '../utils/settingsValidation/mode';
 import { validateFlagSets } from '../utils/settingsValidation/splitFilters';
 
 /**
@@ -25,8 +25,8 @@ import { validateFlagSets } from '../utils/settingsValidation/splitFilters';
  */
 export function clientInputValidationDecorator<TClient extends SplitIO.IClient | SplitIO.IAsyncClient>(settings: ISettings, client: TClient, readinessManager: IReadinessManager): TClient {
 
-  const log = settings.log;
-  const isSync = isStorageSync(settings);
+  const { log, mode } = settings;
+  const isAsync = isConsumerMode(mode);
 
   /**
    * Avoid repeating this validations code
@@ -59,7 +59,7 @@ export function clientInputValidationDecorator<TClient extends SplitIO.IClient |
   }
 
   function wrapResult<T>(value: T): MaybeThenable<T> {
-    return isSync ? value : Promise.resolve(value);
+    return isAsync ? Promise.resolve(value) : value;
   }
 
   function getTreatment(maybeKey: SplitIO.SplitKey, maybeFeatureFlagName: string, maybeAttributes?: SplitIO.Attributes) {
@@ -159,7 +159,7 @@ export function clientInputValidationDecorator<TClient extends SplitIO.IClient |
     if (isNotDestroyed && key && tt && event && eventValue !== false && properties !== false) { // @ts-expect-error
       return client.track(key, tt, event, eventValue, properties, size);
     } else {
-      return isSync ? false : Promise.resolve(false);
+      return isAsync ? Promise.resolve(false) : false;
     }
   }
 
diff --git a/src/sdkManager/index.ts b/src/sdkManager/index.ts
index c075418e..47aea3fa 100644
--- a/src/sdkManager/index.ts
+++ b/src/sdkManager/index.ts
@@ -6,7 +6,7 @@ import { ISplitsCacheAsync, ISplitsCacheSync } from '../storages/types';
 import { ISdkReadinessManager } from '../readiness/types';
 import { ISplit } from '../dtos/types';
 import { ISettings, SplitIO } from '../types';
-import { isStorageSync } from '../trackers/impressionObserver/utils';
+import { isConsumerMode } from '../utils/settingsValidation/mode';
 import { SPLIT_FN_LABEL, SPLITS_FN_LABEL, NAMES_FN_LABEL } from '../utils/constants';
 
 function collectTreatments(splitObject: ISplit) {
@@ -51,8 +51,8 @@ export function sdkManagerFactory<TSplitCache extends ISplitsCacheSync | ISplits
   { readinessManager, sdkStatus }: ISdkReadinessManager,
 ): TSplitCache extends ISplitsCacheAsync ? SplitIO.IAsyncManager : SplitIO.IManager {
 
-  const log = settings.log;
-  const isSync = isStorageSync(settings);
+  const { log, mode } = settings;
+  const isAsync = isConsumerMode(mode);
 
   return objectAssign(
     // Proto-linkage of the readiness Event Emitter
@@ -64,7 +64,7 @@ export function sdkManagerFactory<TSplitCache extends ISplitsCacheSync | ISplits
       split(featureFlagName: string) {
         const splitName = validateSplit(log, featureFlagName, SPLIT_FN_LABEL);
         if (!validateIfNotDestroyed(log, readinessManager, SPLIT_FN_LABEL) || !validateIfOperational(log, readinessManager, SPLIT_FN_LABEL) || !splitName) {
-          return isSync ? null : Promise.resolve(null);
+          return isAsync ? Promise.resolve(null) : null;
         }
 
         const split = splits.getSplit(splitName);
@@ -85,7 +85,7 @@ export function sdkManagerFactory<TSplitCache extends ISplitsCacheSync | ISplits
        */
       splits() {
         if (!validateIfNotDestroyed(log, readinessManager, SPLITS_FN_LABEL) || !validateIfOperational(log, readinessManager, SPLITS_FN_LABEL)) {
-          return isSync ? [] : Promise.resolve([]);
+          return isAsync ? Promise.resolve([]) : [];
         }
         const currentSplits = splits.getAll();
 
@@ -98,7 +98,7 @@ export function sdkManagerFactory<TSplitCache extends ISplitsCacheSync | ISplits
        */
       names() {
         if (!validateIfNotDestroyed(log, readinessManager, NAMES_FN_LABEL) || !validateIfOperational(log, readinessManager, NAMES_FN_LABEL)) {
-          return isSync ? [] : Promise.resolve([]);
+          return isAsync ? Promise.resolve([]) : [];
         }
         const splitNames = splits.getSplitNames();
 
diff --git a/src/trackers/eventTracker.ts b/src/trackers/eventTracker.ts
index e2971ad9..cebf3950 100644
--- a/src/trackers/eventTracker.ts
+++ b/src/trackers/eventTracker.ts
@@ -5,7 +5,7 @@ import { IEventsHandler, IEventTracker } from './types';
 import { ISettings, SplitIO } from '../types';
 import { EVENTS_TRACKER_SUCCESS, ERROR_EVENTS_TRACKER } from '../logger/constants';
 import { CONSENT_DECLINED, DROPPED, QUEUED } from '../utils/constants';
-import { isStorageSync } from './impressionObserver/utils';
+import { isConsumerMode } from '../utils/settingsValidation/mode';
 
 /**
  * Event tracker stores events in cache and pass them to the integrations manager if provided.
@@ -20,8 +20,8 @@ export function eventTrackerFactory(
   telemetryCache?: ITelemetryCacheSync | ITelemetryCacheAsync
 ): IEventTracker {
 
-  const log = settings.log;
-  const isSync = isStorageSync(settings);
+  const { log, mode } = settings;
+  const isAsync = isConsumerMode(mode);
 
   function queueEventsCallback(eventData: SplitIO.EventData, tracked: boolean) {
     const { eventTypeId, trafficTypeName, key, value, timestamp, properties } = eventData;
@@ -50,7 +50,7 @@ export function eventTrackerFactory(
   return {
     track(eventData: SplitIO.EventData, size?: number) {
       if (settings.userConsent === CONSENT_DECLINED) {
-        return isSync ? false : Promise.resolve(false);
+        return isAsync ? Promise.resolve(false) : false;
       }
 
       const tracked = eventsCache.track(eventData, size);
diff --git a/src/trackers/impressionObserver/utils.ts b/src/trackers/impressionObserver/utils.ts
deleted file mode 100644
index 7e2ab5c8..00000000
--- a/src/trackers/impressionObserver/utils.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-import { CONSUMER_MODE, CONSUMER_PARTIAL_MODE } from '../../utils/constants';
-import { ISettings } from '../../types';
-
-/**
- * Storage is async if mode is consumer or partial consumer
- */
-export function isStorageSync(settings: Pick<ISettings, 'mode'>) {
-  return [CONSUMER_MODE, CONSUMER_PARTIAL_MODE].indexOf(settings.mode) === -1 ? true : false;
-}
diff --git a/src/utils/settingsValidation/index.ts b/src/utils/settingsValidation/index.ts
index 700ada43..3e23b927 100644
--- a/src/utils/settingsValidation/index.ts
+++ b/src/utils/settingsValidation/index.ts
@@ -1,5 +1,5 @@
 import { merge, get } from '../lang';
-import { mode } from './mode';
+import { validateMode } from './mode';
 import { validateSplitFilters } from './splitFilters';
 import { STANDALONE_MODE, OPTIMIZED, LOCALHOST_MODE, DEBUG } from '../constants';
 import { validImpressionsMode } from './impressionsMode';
@@ -146,7 +146,7 @@ export function settingsValidation(config: unknown, validationParams: ISettingsV
 
   // ensure a valid SDK mode
   // @ts-ignore, modify readonly prop
-  withDefaults.mode = mode(withDefaults.core.authorizationKey, withDefaults.mode);
+  withDefaults.mode = validateMode(withDefaults.core.authorizationKey, withDefaults.mode);
 
   // ensure a valid Storage based on mode defined.
   // @ts-ignore, modify readonly prop
diff --git a/src/utils/settingsValidation/mode.ts b/src/utils/settingsValidation/mode.ts
index 8480a24b..bb4d7ded 100644
--- a/src/utils/settingsValidation/mode.ts
+++ b/src/utils/settingsValidation/mode.ts
@@ -1,6 +1,6 @@
 import { LOCALHOST_MODE, STANDALONE_MODE, PRODUCER_MODE, CONSUMER_MODE, CONSUMER_PARTIAL_MODE } from '../constants';
 
-export function mode(key: string, mode: string) {
+export function validateMode(key: string, mode: string) {
   // Leaving the comparison as is, in case we change the mode name but not the setting.
   if (key === 'localhost') return LOCALHOST_MODE;
 
@@ -8,3 +8,10 @@ export function mode(key: string, mode: string) {
 
   return mode;
 }
+
+/**
+ * Storage is async if mode is consumer or partial consumer
+ */
+export function isConsumerMode(mode: string) {
+  return CONSUMER_MODE === mode || CONSUMER_PARTIAL_MODE === mode;
+}
diff --git a/src/utils/settingsValidation/splitFilters.ts b/src/utils/settingsValidation/splitFilters.ts
index ebe76610..8f4c10b6 100644
--- a/src/utils/settingsValidation/splitFilters.ts
+++ b/src/utils/settingsValidation/splitFilters.ts
@@ -1,4 +1,3 @@
-import { CONSUMER_MODE, CONSUMER_PARTIAL_MODE } from '../constants';
 import { validateSplits } from '../inputValidation/splits';
 import { ISplitFiltersValidation } from '../../dtos/types';
 import { SplitIO } from '../../types';
@@ -6,6 +5,7 @@ import { ILogger } from '../../logger/types';
 import { WARN_SPLITS_FILTER_IGNORED, WARN_SPLITS_FILTER_EMPTY, WARN_SPLITS_FILTER_INVALID, SETTINGS_SPLITS_FILTER, LOG_PREFIX_SETTINGS, ERROR_SETS_FILTER_EXCLUSIVE, WARN_LOWERCASE_FLAGSET, WARN_INVALID_FLAGSET, WARN_FLAGSET_NOT_CONFIGURED } from '../../logger/constants';
 import { objectAssign } from '../lang/objectAssign';
 import { find, uniq } from '../lang';
+import { isConsumerMode } from './mode';
 
 // Split filters metadata.
 // Ordered according to their precedency when forming the filter query string: `&names=<values>&prefixes=<values>`
@@ -149,7 +149,7 @@ export function validateSplitFilters(log: ILogger, maybeSplitFilters: any, mode:
   // do nothing if `splitFilters` param is not a non-empty array or mode is not STANDALONE
   if (!maybeSplitFilters) return res;
   // Warn depending on the mode
-  if (mode === CONSUMER_MODE || mode === CONSUMER_PARTIAL_MODE) {
+  if (isConsumerMode(mode)) {
     log.warn(WARN_SPLITS_FILTER_IGNORED);
     return res;
   }