diff --git a/packages/edit-widgets/src/components/widget-areas-block-editor-provider/index.js b/packages/edit-widgets/src/components/widget-areas-block-editor-provider/index.js
index 3e772190ebcba7..b9aeef8db19535 100644
--- a/packages/edit-widgets/src/components/widget-areas-block-editor-provider/index.js
+++ b/packages/edit-widgets/src/components/widget-areas-block-editor-provider/index.js
@@ -24,6 +24,7 @@ import { useEntityBlockEditor, store as coreStore } from '@wordpress/core-data';
 import { buildWidgetAreasPostId, KIND, POST_TYPE } from '../../store/utils';
 import useLastSelectedWidgetArea from '../../hooks/use-last-selected-widget-area';
 import { store as editWidgetsStore } from '../../store';
+import { ALLOW_REUSABLE_BLOCKS } from '../../constants';
 
 export default function WidgetAreasBlockEditorProvider( {
 	blockEditorSettings,
@@ -43,10 +44,9 @@ export default function WidgetAreasBlockEditorProvider( {
 			),
 			widgetAreas: select( editWidgetsStore ).getWidgetAreas(),
 			widgets: select( editWidgetsStore ).getWidgets(),
-			reusableBlocks: select( coreStore ).getEntityRecords(
-				'postType',
-				'wp_block'
-			),
+			reusableBlocks: ALLOW_REUSABLE_BLOCKS
+				? select( coreStore ).getEntityRecords( 'postType', 'wp_block' )
+				: [],
 			isFixedToolbarActive: select(
 				editWidgetsStore
 			).__unstableIsFeatureActive( 'fixedToolbar' ),
diff --git a/packages/edit-widgets/src/constants.js b/packages/edit-widgets/src/constants.js
new file mode 100644
index 00000000000000..22c010b2fc11ad
--- /dev/null
+++ b/packages/edit-widgets/src/constants.js
@@ -0,0 +1 @@
+export const ALLOW_REUSABLE_BLOCKS = false;
diff --git a/packages/edit-widgets/src/index.js b/packages/edit-widgets/src/index.js
index 85355cea7d84dd..1c621c7a7cae97 100644
--- a/packages/edit-widgets/src/index.js
+++ b/packages/edit-widgets/src/index.js
@@ -24,8 +24,12 @@ import './store';
 import './filters';
 import * as widgetArea from './blocks/widget-area';
 import Layout from './components/layout';
+import { ALLOW_REUSABLE_BLOCKS } from './constants';
 
-const DISABLED_BLOCKS = [ 'core/more', 'core/block' ];
+const DISABLED_BLOCKS = [
+	'core/more',
+	...( ! ALLOW_REUSABLE_BLOCKS && [ 'core/block' ] ),
+];
 const ENABLE_EXPERIMENTAL_FSE_BLOCKS = false;
 
 /**
@@ -55,6 +59,7 @@ export function initialize( id, settings ) {
 	registerBlock( widgetArea );
 	settings.__experimentalFetchLinkSuggestions = ( search, searchOptions ) =>
 		fetchLinkSuggestions( search, searchOptions, settings );
+
 	render(
 		<Layout blockEditorSettings={ settings } />,
 		document.getElementById( id )