diff --git a/lib/cartodb/controllers/layergroup.js b/lib/cartodb/controllers/layergroup.js
index 614480a6..6ae62433 100644
--- a/lib/cartodb/controllers/layergroup.js
+++ b/lib/cartodb/controllers/layergroup.js
@@ -28,6 +28,21 @@ const SUPPORTED_FORMATS = {
     mvt: true
 };
 
+const ALLOWED_DATAVIEW_QUERY_PARAMS = [
+    'filters', // json
+    'own_filter', // 0, 1
+    'no_filters', // 0, 1
+    'bbox', // w,s,e,n
+    'start', // number
+    'end', // number
+    'column_type', // string
+    'bins', // number
+    'aggregation', //string
+    'offset', // number
+    'q', // widgets search
+    'categories', // number
+];
+
 /**
  * @param {prepareContext} prepareContext
  * @param {PgConnection} pgConnection
@@ -242,25 +257,10 @@ LayergroupController.prototype.register = function(app) {
     // Undocumented/non-supported API endpoint methods.
     // Use at your own peril.
 
-    const allowedDataviewQueryParams = [
-        'filters', // json
-        'own_filter', // 0, 1
-        'no_filters', // 0, 1
-        'bbox', // w,s,e,n
-        'start', // number
-        'end', // number
-        'column_type', // string
-        'bins', // number
-        'aggregation', //string
-        'offset', // number
-        'q', // widgets search
-        'categories', // number
-    ];
-
     app.get(
         `${mapConfigBasePath}/:token/dataview/:dataviewName`,
         cors(),
-        cleanUpQueryParams(allowedDataviewQueryParams),
+        cleanUpQueryParams(ALLOWED_DATAVIEW_QUERY_PARAMS),
         locals(),
         user(),
         rateLimit(this.userLimitsApi, RATE_LIMIT_ENDPOINTS_GROUPS.DATAVIEW),
@@ -285,7 +285,7 @@ LayergroupController.prototype.register = function(app) {
     app.get(
         `${mapConfigBasePath}/:token/:layer/widget/:dataviewName`,
         cors(),
-        cleanUpQueryParams(allowedDataviewQueryParams),
+        cleanUpQueryParams(ALLOWED_DATAVIEW_QUERY_PARAMS),
         locals(),
         user(),
         rateLimit(this.userLimitsApi, RATE_LIMIT_ENDPOINTS_GROUPS.DATAVIEW),
@@ -310,7 +310,7 @@ LayergroupController.prototype.register = function(app) {
     app.get(
         `${mapConfigBasePath}/:token/dataview/:dataviewName/search`,
         cors(),
-        cleanUpQueryParams(allowedDataviewQueryParams),
+        cleanUpQueryParams(ALLOWED_DATAVIEW_QUERY_PARAMS),
         locals(),
         user(),
         rateLimit(this.userLimitsApi, RATE_LIMIT_ENDPOINTS_GROUPS.DATAVIEW_SEARCH),
@@ -335,7 +335,7 @@ LayergroupController.prototype.register = function(app) {
     app.get(
         `${mapConfigBasePath}/:token/:layer/widget/:dataviewName/search`,
         cors(),
-        cleanUpQueryParams(allowedDataviewQueryParams),
+        cleanUpQueryParams(ALLOWED_DATAVIEW_QUERY_PARAMS),
         locals(),
         user(),
         rateLimit(this.userLimitsApi, RATE_LIMIT_ENDPOINTS_GROUPS.DATAVIEW_SEARCH),