diff --git a/src/utils/default.ts b/src/utils/default.ts
index 0eba5db..97870a4 100644
--- a/src/utils/default.ts
+++ b/src/utils/default.ts
@@ -234,8 +234,6 @@ export function GetDefaultContainerProps(type: string,
   height: number,
   containerConfig: IAvailableContainer): IContainerProperties {
   const orientation = containerConfig.Orientation ?? Orientation.Horizontal;
-  const defaultIsFlex = (orientation === Orientation.Vertical && containerConfig.Height === undefined) ||
-    (orientation === Orientation.Horizontal && containerConfig.Width === undefined);
   return ({
     id: `${type}-${typeCount}`,
     type,
@@ -249,7 +247,7 @@ export function GetDefaultContainerProps(type: string,
     width,
     height,
     isAnchor: containerConfig.IsAnchor ?? false,
-    isFlex: containerConfig.IsFlex ?? defaultIsFlex,
+    isFlex: containerConfig.IsFlex ?? false,
     positionReference: containerConfig.PositionReference ?? PositionReference.TopLeft,
     minWidth: containerConfig.MinWidth ?? 1,
     maxWidth: containerConfig.MaxWidth ?? Number.MAX_SAFE_INTEGER,