diff --git a/src/component/valuechooser/abstract.valuechooser.js b/src/component/valuechooser/abstract.valuechooser.js
index ac4b08ae5..bd1ab309c 100644
--- a/src/component/valuechooser/abstract.valuechooser.js
+++ b/src/component/valuechooser/abstract.valuechooser.js
@@ -88,5 +88,20 @@ BI.AbstractValueChooser = BI.inherit(BI.Widget, {
                 hasNext: self._hasNextByTimes(resultItems, options.times)
             });
         }
-    }
+    },
+
+    _assertValue: function (v) {
+        v = v || {};
+        var value = v;
+        if (v.type === BI.Selection.Multi && BI.isNotNull(this.items)) {
+            var isAllSelect = BI.difference(BI.map(this.items, "value"), v.value).length === 0;
+            if (isAllSelect) {
+                value = {
+                    type: BI.Selection.All,
+                    value: [],
+                };
+            }
+        }
+        return value;
+    },
 });
\ No newline at end of file
diff --git a/src/component/valuechooser/combo.valuechooser.insert.js b/src/component/valuechooser/combo.valuechooser.insert.js
index 700794459..cc64d15b6 100644
--- a/src/component/valuechooser/combo.valuechooser.insert.js
+++ b/src/component/valuechooser/combo.valuechooser.insert.js
@@ -65,21 +65,6 @@ BI.ValueChooserInsertCombo = BI.inherit(BI.AbstractValueChooser, {
         });
     },
 
-    _assertValue: function (v) {
-        v = v || {};
-        var value = v;
-        if (v.type === BI.Selection.Multi && BI.isNotNull(this.items)) {
-            var isAllSelect = BI.difference(BI.map(this.items, "value"), v.value).length === 0;
-            if (isAllSelect) {
-                value = {
-                    type: BI.Selection.All,
-                    value: [],
-                };
-            }
-        }
-        return value;
-    },
-
     setValue: function (v) {
         this.combo.setValue(this._assertValue(v));
     },
diff --git a/src/component/valuechooser/combo.valuechooser.js b/src/component/valuechooser/combo.valuechooser.js
index e39515b98..9f1a05f8d 100644
--- a/src/component/valuechooser/combo.valuechooser.js
+++ b/src/component/valuechooser/combo.valuechooser.js
@@ -69,21 +69,6 @@ BI.ValueChooserCombo = BI.inherit(BI.AbstractValueChooser, {
         });
     },
 
-    _assertValue: function (v) {
-        v = v || {};
-        var value = v;
-        if (v.type === BI.Selection.Multi && BI.isNotNull(this.items)) {
-            var isAllSelect = BI.difference(BI.map(this.items, "value"), v.value).length === 0;
-            if (isAllSelect) {
-                value = {
-                    type: BI.Selection.All,
-                    value: [],
-                };
-            }
-        }
-        return value;
-    },
-
     setValue: function (v) {
         this.combo.setValue(this._assertValue(v));
     },