diff --git a/modules/mediafuseBidAdapter.js b/modules/mediafuseBidAdapter.js
index 5e31f60d3b5..d969314f406 100644
--- a/modules/mediafuseBidAdapter.js
+++ b/modules/mediafuseBidAdapter.js
@@ -29,11 +29,9 @@ import {convertOrtbRequestToProprietaryNative} from '../src/native.js';
 import {APPNEXUS_CATEGORY_MAPPING} from '../libraries/categoryTranslationMapping/index.js';
 import {
   getANKewyordParamFromMaps,
-  getANKeywordParam,
-  transformBidderParamKeywords
+  getANKeywordParam
 } from '../libraries/appnexusUtils/anKeywords.js';
 import {convertCamelToUnderscore, fill} from '../libraries/appnexusUtils/anUtils.js';
-import {convertTypes} from '../libraries/transformParamsUtils/convertTypes.js';
 import {chunk} from '../libraries/chunk/chunk.js';
 
 /**
@@ -351,31 +349,6 @@ export const spec = {
     }
   },
 
-  transformBidParams: function (params, isOpenRtb) {
-    params = convertTypes({
-      'member': 'string',
-      'invCode': 'string',
-      'placementId': 'number',
-      'keywords': transformBidderParamKeywords,
-      'publisherId': 'number'
-    }, params);
-
-    if (isOpenRtb) {
-      params.use_pmt_rule = (typeof params.usePaymentRule === 'boolean') ? params.usePaymentRule : false;
-      if (params.usePaymentRule) { delete params.usePaymentRule; }
-
-      Object.keys(params).forEach(paramKey => {
-        let convertedKey = convertCamelToUnderscore(paramKey);
-        if (convertedKey !== paramKey) {
-          params[convertedKey] = params[paramKey];
-          delete params[paramKey];
-        }
-      });
-    }
-
-    return params;
-  },
-
   /**
    * Add element selector to javascript tracker to improve native viewability
    * @param {Bid} bid