diff --git a/packages/optimizely-sdk/lib/core/bucketer/index.js b/packages/optimizely-sdk/lib/core/bucketer/index.js
index 1884f3f98..ed02dff35 100644
--- a/packages/optimizely-sdk/lib/core/bucketer/index.js
+++ b/packages/optimizely-sdk/lib/core/bucketer/index.js
@@ -87,10 +87,10 @@ module.exports = {
     bucketerParams.logger.log(LOG_LEVEL.DEBUG, bucketedUserLogMessage);
 
     var entityId = module.exports._findBucket(bucketValue, bucketerParams.trafficAllocationConfig);
-    if (entityId === null) {
+    if (!entityId) {
       var userHasNoVariationLogMessage = sprintf(LOG_MESSAGES.USER_HAS_NO_VARIATION, MODULE_NAME, bucketerParams.userId, bucketerParams.experimentKey);
       bucketerParams.logger.log(LOG_LEVEL.DEBUG, userHasNoVariationLogMessage);
-    } else if (entityId === '' || !bucketerParams.variationIdMap.hasOwnProperty(entityId)) {
+    } else if (!bucketerParams.variationIdMap.hasOwnProperty(entityId)) {
       var invalidVariationIdLogMessage = sprintf(LOG_MESSAGES.INVALID_VARIATION_ID, MODULE_NAME);
       bucketerParams.logger.log(LOG_LEVEL.WARNING, invalidVariationIdLogMessage);
       return null;
diff --git a/packages/optimizely-sdk/lib/core/bucketer/index.tests.js b/packages/optimizely-sdk/lib/core/bucketer/index.tests.js
index d1e851ee6..aba0ec90f 100644
--- a/packages/optimizely-sdk/lib/core/bucketer/index.tests.js
+++ b/packages/optimizely-sdk/lib/core/bucketer/index.tests.js
@@ -258,7 +258,7 @@ describe('lib/core/bucketer', function() {
         it('should return null', function() {
           var bucketerParamsTest1 = cloneDeep(bucketerParams);
           bucketerParamsTest1.userId = 'ppid1';
-          expect(bucketer.bucket(bucketerParamsTest1)).to.equal(null);
+          expect(bucketer.bucket(bucketerParamsTest1)).to.equal('');
         });
       });
 
diff --git a/packages/optimizely-sdk/lib/core/decision_service/index.js b/packages/optimizely-sdk/lib/core/decision_service/index.js
index 574cf6df8..8d29544ef 100644
--- a/packages/optimizely-sdk/lib/core/decision_service/index.js
+++ b/packages/optimizely-sdk/lib/core/decision_service/index.js
@@ -349,7 +349,7 @@ DecisionService.prototype._getVariationForFeatureExperiment = function(configObj
 
 DecisionService.prototype._getExperimentInGroup = function(configObj, group, userId) {
   var experimentId = bucketer.bucketUserIntoExperiment(group, userId, userId, this.logger);
-  if (experimentId !== null) {
+  if (experimentId) {
     this.logger.log(LOG_LEVEL.INFO, sprintf(LOG_MESSAGES.USER_BUCKETED_INTO_EXPERIMENT_IN_GROUP, MODULE_NAME, userId, experimentId, group.id));
     var experiment = projectConfig.getExperimentFromId(configObj, experimentId, this.logger);
     if (experiment) {