diff --git a/front/core/components/autocomplete/autocomplete.js b/front/core/components/autocomplete/autocomplete.js
index 2157c7b54..5cd812510 100755
--- a/front/core/components/autocomplete/autocomplete.js
+++ b/front/core/components/autocomplete/autocomplete.js
@@ -271,9 +271,7 @@ export default class Autocomplete extends Input {
             'where',
             'order',
             'limit',
-            'params',
-            'searchFunction',
-            'paramsFunction'
+            'searchFunction'
         ]);
     }
 
@@ -304,10 +302,8 @@ ngModule.component('vnAutocomplete', {
         where: '<?',
         order: '@?',
         limit: '<?',
-        params: '<?',
         translateFields: '<?',
-        searchFunction: '&?',
-        paramsFunction: '&?'
+        searchFunction: '&?'
     },
     transclude: {
         tplItem: '?tplItem'
diff --git a/front/core/components/drop-down/drop-down.js b/front/core/components/drop-down/drop-down.js
index 2a4416cb0..123df1994 100755
--- a/front/core/components/drop-down/drop-down.js
+++ b/front/core/components/drop-down/drop-down.js
@@ -404,19 +404,11 @@ export default class DropDown extends Component {
             order,
             limit: this.limit || 8
         };
-        let params = Object.assign({}, this.params);
 
         if (model instanceof CrudModel) {
-            let searchExpr = null;
-            let searchParams = {$search: this._search};
-
-            if (this._search != null) {
-                if (this.searchFunction)
-                    searchExpr = this.searchFunction(searchParams);
-
-                if (this.paramsFunction)
-                    Object.assign(params, this.paramsFunction(searchParams));
-            }
+            let searchExpr = this._search == null
+                ? null
+                : this.searchFunction({$search: this._search});
 
             Object.assign(filter, {
                 fields: this.getFields(),
@@ -425,10 +417,10 @@ export default class DropDown extends Component {
             });
         } else if (model instanceof ArrayModel) {
             if (this._search != null)
-                filter.where = this.searchFunction(searchParams);
+                filter.where = this.searchFunction({$search: this._search});
         }
 
-        return this.model.applyFilter(filter, params);
+        return this.model.applyFilter(filter);
     }
 
     searchFunction(scope) {
@@ -484,9 +476,7 @@ ngModule.component('vnDropDown', {
         where: '<?',
         order: '@?',
         limit: '<?',
-        params: '<?',
-        searchFunction: '&?',
-        paramsFunction: '&?'
+        searchFunction: '&?'
     },
     transclude: {
         tplItem: '?tplItem'