diff --git a/CodenameOne/src/com/codename1/ui/layouts/BorderLayout.java b/CodenameOne/src/com/codename1/ui/layouts/BorderLayout.java
index 3aa985bee2..4b655550de 100644
--- a/CodenameOne/src/com/codename1/ui/layouts/BorderLayout.java
+++ b/CodenameOne/src/com/codename1/ui/layouts/BorderLayout.java
@@ -453,12 +453,13 @@ private void positionTopBottom(Component target, Component c, int right, int lef
         c.setHeight(Math.min(targetHeight, c.getPreferredH())); //verify I want to use tge prefered size
     }
 
-    private Dimension dim = new Dimension(0, 0);
+//    private Dimension dim = new Dimension(0, 0); //moved into getPreferredSize, otherwise the same dim instance can be used both as preferredSize and scrollSize which creates side effects when preferredSize is forced to (0,0) in setHidden(true)
     
     /**
      * {@inheritDoc}
      */
     public Dimension getPreferredSize(Container parent) {
+        Dimension dim = new Dimension(0, 0);
         dim.setWidth(0);
         dim.setHeight(0);
         Component east = getEast();
diff --git a/CodenameOne/src/com/codename1/ui/layouts/BoxLayout.java b/CodenameOne/src/com/codename1/ui/layouts/BoxLayout.java
index 5ab3e8d2ef..0404cd8cf4 100644
--- a/CodenameOne/src/com/codename1/ui/layouts/BoxLayout.java
+++ b/CodenameOne/src/com/codename1/ui/layouts/BoxLayout.java
@@ -203,7 +203,7 @@ public void layoutContainer(Container parent) {
         }
     }
     
-    private Dimension dim = new Dimension(0, 0);
+//    private Dimension dim = new Dimension(0, 0); //moved into getPreferredSize, otherwise the same dim instance can be used both as preferredSize and scrollSize which creates side effects when preferredSize is forced to (0,0) in setHidden(true)
 
     /**
      * {@inheritDoc}
@@ -228,6 +228,7 @@ public Dimension getPreferredSize(Container parent) {
             }
         }
         Style s = parent.getStyle();
+        Dimension dim = new Dimension(0, 0);
         dim.setWidth(width + s.getHorizontalPadding());
         dim.setHeight(height + s.getVerticalPadding());
         return dim;
diff --git a/CodenameOne/src/com/codename1/ui/layouts/FlowLayout.java b/CodenameOne/src/com/codename1/ui/layouts/FlowLayout.java
index 887e4ae3d4..0b460e03c6 100644
--- a/CodenameOne/src/com/codename1/ui/layouts/FlowLayout.java
+++ b/CodenameOne/src/com/codename1/ui/layouts/FlowLayout.java
@@ -290,7 +290,7 @@ private void moveComponents(Container target, int x, int y, int width, int heigh
         }
     }
 
-    private Dimension dim = new Dimension(0, 0);
+//    private Dimension dim = new Dimension(0, 0);//moved into getPreferredSize, otherwise the same dim instance can be used both as preferredSize and scrollSize which creates side effects when preferredSize is forced to (0,0) in setHidden(true)
 
     /**
      * {@inheritDoc}
@@ -322,6 +322,7 @@ public  Dimension getPreferredSize(Container parent) {
 
         width = Math.max(w, width);
 
+        Dimension dim = new Dimension(0, 0);
         dim.setWidth(width + parent.getStyle().getPaddingLeftNoRTL()+ parent.getStyle().getPaddingRightNoRTL());
         dim.setHeight(height + parent.getStyle().getPaddingTop()+ parent.getStyle().getPaddingBottom());
         return dim;