diff --git a/packages/optimizely-sdk/lib/core/project_config/index.js b/packages/optimizely-sdk/lib/core/project_config/index.js
index 3f26f2376..ad0260d51 100644
--- a/packages/optimizely-sdk/lib/core/project_config/index.js
+++ b/packages/optimizely-sdk/lib/core/project_config/index.js
@@ -17,7 +17,6 @@ var fns = require('../../utils/fns');
 var enums = require('../../utils/enums');
 var jsSdkUtils = require('@optimizely/js-sdk-utils');
 var configValidator = require('../../utils/config_validator');
-var projectConfigSchema = require('./project_config_schema');
 
 var EXPERIMENT_RUNNING_STATUS = 'Running';
 var RESERVED_ATTRIBUTE_PREFIX = '$opt_';
@@ -508,7 +507,7 @@ module.exports = {
     if (config.skipJSONValidation === true) {
       config.logger.log(LOG_LEVEL.INFO, jsSdkUtils.sprintf(LOG_MESSAGES.SKIPPING_JSON_VALIDATION, MODULE_NAME));
     } else if (config.jsonSchemaValidator) {
-      config.jsonSchemaValidator.validate(projectConfigSchema, config.datafile);
+      config.jsonSchemaValidator.validate(config.datafile);
       config.logger.log(LOG_LEVEL.INFO, jsSdkUtils.sprintf(LOG_MESSAGES.VALID_DATAFILE, MODULE_NAME));
     }
     return module.exports.createProjectConfig(config.datafile);
diff --git a/packages/optimizely-sdk/lib/utils/enums/index.js b/packages/optimizely-sdk/lib/utils/enums/index.js
index a0e4d4435..743aed808 100644
--- a/packages/optimizely-sdk/lib/utils/enums/index.js
+++ b/packages/optimizely-sdk/lib/utils/enums/index.js
@@ -48,7 +48,6 @@ exports.ERROR_MESSAGES = {
   INVALID_ROLLOUT_ID: '%s: Invalid rollout ID %s attached to feature %s',
   INVALID_USER_ID: '%s: Provided user ID is in an invalid format.',
   INVALID_USER_PROFILE_SERVICE: '%s: Provided user profile service instance is in an invalid format: %s.',
-  JSON_SCHEMA_EXPECTED: '%s: JSON schema expected.',
   NO_DATAFILE_SPECIFIED: '%s: No datafile specified. Cannot start optimizely.',
   NO_JSON_PROVIDED: '%s: No JSON object to validate against schema.',
   NO_VARIATION_FOR_EXPERIMENT_KEY: '%s: No variation key %s defined in datafile for experiment %s.',
diff --git a/packages/optimizely-sdk/lib/utils/json_schema_validator/index.js b/packages/optimizely-sdk/lib/utils/json_schema_validator/index.js
index a0cec952f..69876c6e4 100644
--- a/packages/optimizely-sdk/lib/utils/json_schema_validator/index.js
+++ b/packages/optimizely-sdk/lib/utils/json_schema_validator/index.js
@@ -15,6 +15,7 @@
  */
 var validate = require('json-schema').validate;
 var sprintf = require('@optimizely/js-sdk-utils').sprintf;
+var projectConfigSchema = require('../../core/project_config/project_config_schema');
 
 var ERROR_MESSAGES = require('../enums').ERROR_MESSAGES;
 var MODULE_NAME = 'JSON_SCHEMA_VALIDATOR';
@@ -26,16 +27,12 @@ module.exports = {
    * @param  {Object} jsonObject The object to validate against the schema
    * @return {Boolean}           True if the given object is valid
    */
-  validate: function(jsonSchema, jsonObject) {
-    if (!jsonSchema) {
-      throw new Error(sprintf(ERROR_MESSAGES.JSON_SCHEMA_EXPECTED, MODULE_NAME));
-    }
-
+  validate: function(jsonObject) {
     if (!jsonObject) {
       throw new Error(sprintf(ERROR_MESSAGES.NO_JSON_PROVIDED, MODULE_NAME));
     }
 
-    var result = validate(jsonObject, jsonSchema);
+    var result = validate(jsonObject, projectConfigSchema);
     if (result.valid) {
       return true;
     } else {
diff --git a/packages/optimizely-sdk/lib/utils/json_schema_validator/index.tests.js b/packages/optimizely-sdk/lib/utils/json_schema_validator/index.tests.js
index 7e016ab67..caf2b5284 100644
--- a/packages/optimizely-sdk/lib/utils/json_schema_validator/index.tests.js
+++ b/packages/optimizely-sdk/lib/utils/json_schema_validator/index.tests.js
@@ -16,7 +16,6 @@
 var chai = require('chai');
 var assert = chai.assert;
 var jsonSchemaValidator = require('./');
-var projectConfigSchema = require('../../core/project_config/project_config_schema');
 var sprintf = require('@optimizely/js-sdk-utils').sprintf;
 var testData = require('../../tests/test_data.js');
 
@@ -25,30 +24,20 @@ var ERROR_MESSAGES = require('../enums').ERROR_MESSAGES;
 describe('lib/utils/json_schema_validator', function() {
   describe('APIs', function() {
     describe('validate', function() {
-      it('should validate the given object against the specified schema', function() {
-        assert.isTrue(jsonSchemaValidator.validate({ type: 'number' }, 4));
-      });
-
       it('should throw an error if the object is not valid', function() {
         assert.throws(function() {
-          jsonSchemaValidator.validate({ type: 'number' }, 'not a number');
-        }, 'string value found, but a number is required');
-      });
-
-      it('should throw an error if no schema is passed in', function() {
-        assert.throws(function() {
-          jsonSchemaValidator.validate();
-        }, sprintf(ERROR_MESSAGES.JSON_SCHEMA_EXPECTED, 'JSON_SCHEMA_VALIDATOR'));
+          jsonSchemaValidator.validate({});
+        });
       });
 
       it('should throw an error if no json object is passed in', function() {
         assert.throws(function() {
-          jsonSchemaValidator.validate({ type: 'number' });
+          jsonSchemaValidator.validate();
         }, sprintf(ERROR_MESSAGES.NO_JSON_PROVIDED, 'JSON_SCHEMA_VALIDATOR'));
       });
 
-      it('should validate specified Optimizely datafile with the Optimizely datafile schema', function() {
-        assert.isTrue(jsonSchemaValidator.validate(projectConfigSchema, testData.getTestProjectConfig()));
+      it('should validate specified Optimizely datafile', function() {
+        assert.isTrue(jsonSchemaValidator.validate(testData.getTestProjectConfig()));
       });
     });
   });