diff --git a/packages/block-library/src/spacer/constants.js b/packages/block-library/src/spacer/constants.js
index 8067cf57957cbb..b196ebf5d68413 100644
--- a/packages/block-library/src/spacer/constants.js
+++ b/packages/block-library/src/spacer/constants.js
@@ -1 +1,2 @@
 export const MIN_SPACER_SIZE = 0;
+export const DEFAULT_HEIGHT = '100px';
diff --git a/packages/block-library/src/spacer/edit.js b/packages/block-library/src/spacer/edit.js
index 2a5d20a443c519..1dc4f50be78bc5 100644
--- a/packages/block-library/src/spacer/edit.js
+++ b/packages/block-library/src/spacer/edit.js
@@ -23,7 +23,7 @@ import { useSelect, useDispatch } from '@wordpress/data';
  */
 import { unlock } from '../lock-unlock';
 import SpacerControls from './controls';
-import { MIN_SPACER_SIZE } from './constants';
+import { DEFAULT_HEIGHT, MIN_SPACER_SIZE } from './constants';
 
 const { useSpacingSizes } = unlock( blockEditorPrivateApis );
 
diff --git a/packages/block-library/src/spacer/save.js b/packages/block-library/src/spacer/save.js
index 13de5a1f09bb20..ecc52f3f47c758 100644
--- a/packages/block-library/src/spacer/save.js
+++ b/packages/block-library/src/spacer/save.js
@@ -3,6 +3,11 @@
  */
 import { useBlockProps, getSpacingPresetCssVar } from '@wordpress/block-editor';
 
+/**
+ * Internal dependencies
+ */
+import { DEFAULT_HEIGHT } from './constants';
+
 export default function save( { attributes } ) {
 	const { height = DEFAULT_HEIGHT, width, style } = attributes;
 	const { layout: { selfStretch } = {} } = style || {};