diff --git a/lib/compat/wordpress-6.5/block-bindings/pattern-overrides.php b/lib/compat/wordpress-6.6/block-bindings/pattern-overrides.php
similarity index 100%
rename from lib/compat/wordpress-6.5/block-bindings/pattern-overrides.php
rename to lib/compat/wordpress-6.6/block-bindings/pattern-overrides.php
diff --git a/lib/load.php b/lib/load.php
index 454bc3325f612..f0cb03473cb28 100644
--- a/lib/load.php
+++ b/lib/load.php
@@ -122,9 +122,13 @@ function gutenberg_is_experiment_enabled( $name ) {
 }
 require __DIR__ . '/compat/wordpress-6.5/block-bindings/block-bindings.php';
 require __DIR__ . '/compat/wordpress-6.5/block-bindings/post-meta.php';
-require __DIR__ . '/compat/wordpress-6.5/block-bindings/pattern-overrides.php';
 require __DIR__ . '/compat/wordpress-6.5/script-loader.php';
 
+// Not to be included in WordPress 6.5.
+if ( defined( 'IS_GUTENBERG_PLUGIN' ) && IS_GUTENBERG_PLUGIN ) {
+	require __DIR__ . '/compat/wordpress-6.6/block-bindings/pattern-overrides.php';
+}
+
 // Experimental features.
 require __DIR__ . '/experimental/block-editor-settings-mobile.php';
 require __DIR__ . '/experimental/blocks.php';
diff --git a/packages/block-library/src/block/edit.js b/packages/block-library/src/block/edit.js
index ddacc47dbd039..6e6379571cc9e 100644
--- a/packages/block-library/src/block/edit.js
+++ b/packages/block-library/src/block/edit.js
@@ -28,7 +28,7 @@ import {
 	BlockControls,
 } from '@wordpress/block-editor';
 import { privateApis as patternsPrivateApis } from '@wordpress/patterns';
-import { parse, cloneBlock } from '@wordpress/blocks';
+import { parse, cloneBlock, store as blocksStore } from '@wordpress/blocks';
 import { RichTextData } from '@wordpress/rich-text';
 
 /**
@@ -265,6 +265,7 @@ export default function ReusableBlockEdit( {
 		getBlockEditingMode,
 		onNavigateToEntityRecord,
 		editingMode,
+		hasPatternOverridesSource,
 	} = useSelect(
 		( select ) => {
 			const { canUser } = select( coreStore );
@@ -273,6 +274,7 @@ export default function ReusableBlockEdit( {
 				getSettings,
 				getBlockEditingMode: _getBlockEditingMode,
 			} = select( blockEditorStore );
+			const { getBlockBindingsSource } = unlock( select( blocksStore ) );
 			const blocks = getBlocks( patternClientId );
 			const canEdit = canUser( 'update', 'blocks', ref );
 
@@ -284,6 +286,9 @@ export default function ReusableBlockEdit( {
 				onNavigateToEntityRecord:
 					getSettings().onNavigateToEntityRecord,
 				editingMode: _getBlockEditingMode( patternClientId ),
+				hasPatternOverridesSource: !! getBlockBindingsSource(
+					'core/pattern-overrides'
+				),
 			};
 		},
 		[ patternClientId, ref ]
@@ -295,13 +300,20 @@ export default function ReusableBlockEdit( {
 			setBlockEditingMode,
 			innerBlocks,
 			// Disable editing if the pattern itself is disabled.
-			editingMode === 'disabled' ? 'disabled' : undefined
+			editingMode === 'disabled' || ! hasPatternOverridesSource
+				? 'disabled'
+				: undefined
 		);
-	}, [ editingMode, innerBlocks, setBlockEditingMode ] );
+	}, [
+		editingMode,
+		innerBlocks,
+		setBlockEditingMode,
+		hasPatternOverridesSource,
+	] );
 
 	const canOverrideBlocks = useMemo(
-		() => hasOverridableBlocks( innerBlocks ),
-		[ innerBlocks ]
+		() => hasPatternOverridesSource && hasOverridableBlocks( innerBlocks ),
+		[ hasPatternOverridesSource, innerBlocks ]
 	);
 
 	const initialBlocks = useMemo(
@@ -329,19 +341,21 @@ export default function ReusableBlockEdit( {
 		registry.batch( () => {
 			setBlockEditingMode( patternClientId, 'default' );
 			syncDerivedUpdates( () => {
-				replaceInnerBlocks(
-					patternClientId,
-					applyInitialContentValuesToInnerBlocks(
-						initialBlocks,
-						initialContent.current,
-						defaultContent.current,
-						legacyIdMap.current
-					)
-				);
+				const blocks = hasPatternOverridesSource
+					? applyInitialContentValuesToInnerBlocks(
+							initialBlocks,
+							initialContent.current,
+							defaultContent.current,
+							legacyIdMap.current
+					  )
+					: initialBlocks;
+
+				replaceInnerBlocks( patternClientId, blocks );
 			} );
 			setBlockEditingMode( patternClientId, originalEditingMode );
 		} );
 	}, [
+		hasPatternOverridesSource,
 		__unstableMarkNextChangeAsNotPersistent,
 		patternClientId,
 		initialBlocks,
@@ -377,6 +391,9 @@ export default function ReusableBlockEdit( {
 	// Sync the `content` attribute from the updated blocks to the pattern block.
 	// `syncDerivedUpdates` is used here to avoid creating an additional undo level.
 	useEffect( () => {
+		if ( ! hasPatternOverridesSource ) {
+			return;
+		}
 		const { getBlocks } = registry.select( blockEditorStore );
 		let prevBlocks = getBlocks( patternClientId );
 		return registry.subscribe( () => {
@@ -394,7 +411,13 @@ export default function ReusableBlockEdit( {
 				} );
 			}
 		}, blockEditorStore );
-	}, [ syncDerivedUpdates, patternClientId, registry, setAttributes ] );
+	}, [
+		hasPatternOverridesSource,
+		syncDerivedUpdates,
+		patternClientId,
+		registry,
+		setAttributes,
+	] );
 
 	const handleEditOriginal = () => {
 		onNavigateToEntityRecord( {
diff --git a/packages/editor/src/bindings/index.js b/packages/editor/src/bindings/index.js
index 1977f9980b067..ce77b87ebc7a5 100644
--- a/packages/editor/src/bindings/index.js
+++ b/packages/editor/src/bindings/index.js
@@ -11,5 +11,8 @@ import patternOverrides from './pattern-overrides';
 import postMeta from './post-meta';
 
 const { registerBlockBindingsSource } = unlock( dispatch( blocksStore ) );
-registerBlockBindingsSource( patternOverrides );
 registerBlockBindingsSource( postMeta );
+
+if ( process.env.IS_GUTENBERG_PLUGIN ) {
+	registerBlockBindingsSource( patternOverrides );
+}
diff --git a/packages/patterns/src/components/use-set-pattern-bindings.js b/packages/patterns/src/components/use-set-pattern-bindings.js
index df16d2b2b0591..261187a91088c 100644
--- a/packages/patterns/src/components/use-set-pattern-bindings.js
+++ b/packages/patterns/src/components/use-set-pattern-bindings.js
@@ -2,13 +2,17 @@
  * WordPress dependencies
  */
 import { usePrevious } from '@wordpress/compose';
+import { store as blocksStore } from '@wordpress/blocks';
 import { useEffect } from '@wordpress/element';
+import { useSelect } from '@wordpress/data';
 
 /**
  * Internal dependencies
  */
 import { PARTIAL_SYNCING_SUPPORTED_BLOCKS } from '../constants';
 
+import { unlock } from '../lock-unlock';
+
 function removeBindings( bindings, syncedAttributes ) {
 	let updatedBindings = {};
 	for ( const attributeName of syncedAttributes ) {
@@ -42,6 +46,13 @@ export default function useSetPatternBindings(
 	{ name, attributes, setAttributes },
 	currentPostType
 ) {
+	const hasPatternOverridesSource = useSelect( ( select ) => {
+		const { getBlockBindingsSource } = unlock( select( blocksStore ) );
+
+		// For editing link to the site editor if the theme and user permissions support it.
+		return !! getBlockBindingsSource( 'core/pattern-overrides' );
+	}, [] );
+
 	const metadataName = attributes?.metadata?.name ?? '';
 	const prevMetadataName = usePrevious( metadataName ) ?? '';
 	const bindings = attributes?.metadata?.bindings;
@@ -49,7 +60,9 @@ export default function useSetPatternBindings(
 	useEffect( () => {
 		// Bindings should only be created when editing a wp_block post type,
 		// and also when there's a change to the user-given name for the block.
+		// Also check that the pattern overrides source is registered.
 		if (
+			! hasPatternOverridesSource ||
 			currentPostType !== 'wp_block' ||
 			metadataName === prevMetadataName
 		) {
@@ -95,6 +108,7 @@ export default function useSetPatternBindings(
 			} );
 		}
 	}, [
+		hasPatternOverridesSource,
 		bindings,
 		prevMetadataName,
 		metadataName,