diff --git a/bi/base.js b/bi/base.js
index 165a9b025..728e5fd04 100644
--- a/bi/base.js
+++ b/bi/base.js
@@ -2532,8 +2532,8 @@ BI.CollectionView = BI.inherit(BI.Widget, {
     _defaultConfig: function () {
         return BI.extend(BI.CollectionView.superclass._defaultConfig.apply(this, arguments), {
             baseCls: "bi-collection",
-            width: 400,
-            height: 300,
+            // width: 400,
+            // height: 300,
             overflowX: true,
             overflowY: true,
             cellSizeAndPositionGetter: BI.emptyFn,
@@ -14673,16 +14673,16 @@ BI.GridView = BI.inherit(BI.Widget, {
     _defaultConfig: function () {
         return BI.extend(BI.GridView.superclass._defaultConfig.apply(this, arguments), {
             baseCls: "bi-grid-view",
-            width: 400,
-            height: 300,
+            // width: 400,
+            // height: 300,
             overflowX: true,
             overflowY: true,
             overscanColumnCount: 0,
             overscanRowCount: 0,
             rowHeightGetter: BI.emptyFn,
             columnWidthGetter: BI.emptyFn,
-            estimatedColumnSize: 100,
-            estimatedRowSize: 30,
+            // estimatedColumnSize: 100,
+            // estimatedRowSize: 30,
             scrollLeft: 0,
             scrollTop: 0,
             items: []
diff --git a/docs/base.js b/docs/base.js
index 165a9b025..728e5fd04 100644
--- a/docs/base.js
+++ b/docs/base.js
@@ -2532,8 +2532,8 @@ BI.CollectionView = BI.inherit(BI.Widget, {
     _defaultConfig: function () {
         return BI.extend(BI.CollectionView.superclass._defaultConfig.apply(this, arguments), {
             baseCls: "bi-collection",
-            width: 400,
-            height: 300,
+            // width: 400,
+            // height: 300,
             overflowX: true,
             overflowY: true,
             cellSizeAndPositionGetter: BI.emptyFn,
@@ -14673,16 +14673,16 @@ BI.GridView = BI.inherit(BI.Widget, {
     _defaultConfig: function () {
         return BI.extend(BI.GridView.superclass._defaultConfig.apply(this, arguments), {
             baseCls: "bi-grid-view",
-            width: 400,
-            height: 300,
+            // width: 400,
+            // height: 300,
             overflowX: true,
             overflowY: true,
             overscanColumnCount: 0,
             overscanRowCount: 0,
             rowHeightGetter: BI.emptyFn,
             columnWidthGetter: BI.emptyFn,
-            estimatedColumnSize: 100,
-            estimatedRowSize: 30,
+            // estimatedColumnSize: 100,
+            // estimatedRowSize: 30,
             scrollLeft: 0,
             scrollTop: 0,
             items: []
diff --git a/src/base/collection/collection.js b/src/base/collection/collection.js
index d359668a5..ab942f7bc 100644
--- a/src/base/collection/collection.js
+++ b/src/base/collection/collection.js
@@ -9,8 +9,8 @@ BI.CollectionView = BI.inherit(BI.Widget, {
     _defaultConfig: function () {
         return BI.extend(BI.CollectionView.superclass._defaultConfig.apply(this, arguments), {
             baseCls: "bi-collection",
-            width: 400,
-            height: 300,
+            // width: 400,
+            // height: 300,
             overflowX: true,
             overflowY: true,
             cellSizeAndPositionGetter: BI.emptyFn,
diff --git a/src/base/grid/grid.js b/src/base/grid/grid.js
index c76f354c7..3ff3ff30f 100644
--- a/src/base/grid/grid.js
+++ b/src/base/grid/grid.js
@@ -9,16 +9,16 @@ BI.GridView = BI.inherit(BI.Widget, {
     _defaultConfig: function () {
         return BI.extend(BI.GridView.superclass._defaultConfig.apply(this, arguments), {
             baseCls: "bi-grid-view",
-            width: 400,
-            height: 300,
+            // width: 400,
+            // height: 300,
             overflowX: true,
             overflowY: true,
             overscanColumnCount: 0,
             overscanRowCount: 0,
             rowHeightGetter: BI.emptyFn,
             columnWidthGetter: BI.emptyFn,
-            estimatedColumnSize: 100,
-            estimatedRowSize: 30,
+            // estimatedColumnSize: 100,
+            // estimatedRowSize: 30,
             scrollLeft: 0,
             scrollTop: 0,
             items: []