diff --git a/.changeset/hip-chairs-tap.md b/.changeset/hip-chairs-tap.md
new file mode 100644
index 00000000..cac9ef29
--- /dev/null
+++ b/.changeset/hip-chairs-tap.md
@@ -0,0 +1,5 @@
+---
+'@xyflow/system': patch
+---
+
+Allow null for extent
diff --git a/packages/system/src/types/nodes.ts b/packages/system/src/types/nodes.ts
index 687f81ba..37293e61 100644
--- a/packages/system/src/types/nodes.ts
+++ b/packages/system/src/types/nodes.ts
@@ -57,7 +57,7 @@ export type NodeBase<
    * Boundary a node can be moved in.
    * @example 'parent' or [[0, 0], [100, 100]]
    */
-  extent?: 'parent' | CoordinateExtent;
+  extent?: 'parent' | CoordinateExtent | null;
   /**
    * When `true`, the parent node will automatically expand if this node is dragged to the edge of
    * the parent node's bounds.
@@ -151,12 +151,7 @@ export type NodeDragItem = {
   internals: {
     positionAbsolute: XYPosition;
   };
-  extent?: 'parent' | CoordinateExtent;
-  parentId?: string;
-  dragging?: boolean;
-  origin?: NodeOrigin;
-  expandParent?: boolean;
-};
+} & Pick<InternalNodeBase, 'extent' | 'parentId' | 'origin' | 'expandParent' | 'dragging'>;
 
 /**
  * The origin of a Node determines how it is placed relative to its own coordinates.
diff --git a/packages/system/src/utils/general.ts b/packages/system/src/utils/general.ts
index fdfd6b75..a57b25a2 100644
--- a/packages/system/src/utils/general.ts
+++ b/packages/system/src/utils/general.ts
@@ -335,8 +335,8 @@ export const getViewportForBounds = (
 
 export const isMacOs = () => typeof navigator !== 'undefined' && navigator?.userAgent?.indexOf('Mac') >= 0;
 
-export function isCoordinateExtent(extent?: CoordinateExtent | 'parent'): extent is CoordinateExtent {
-  return extent !== undefined && extent !== 'parent';
+export function isCoordinateExtent(extent?: CoordinateExtent | 'parent' | null): extent is CoordinateExtent {
+  return extent !== undefined && extent !== null && extent !== 'parent';
 }
 
 export function getNodeDimensions(node: {
diff --git a/packages/system/src/xyresizer/XYResizer.ts b/packages/system/src/xyresizer/XYResizer.ts
index 03a0675e..e6aace30 100644
--- a/packages/system/src/xyresizer/XYResizer.ts
+++ b/packages/system/src/xyresizer/XYResizer.ts
@@ -41,7 +41,7 @@ export type XYResizerChange = {
 export type XYResizerChildChange = {
   id: string;
   position: XYPosition;
-  extent?: 'parent' | CoordinateExtent;
+  extent?: NodeBase['extent'];
 };
 
 type XYResizerParams = {