diff --git a/.github/workflows/eslint.yml b/.github/workflows/eslint.yml
index 80aec41..e7bbbc4 100644
--- a/.github/workflows/eslint.yml
+++ b/.github/workflows/eslint.yml
@@ -30,9 +30,6 @@ jobs:
     - name: Install Node dependencies
       run: npm ci --omit=optional
 
-    - name: Install eslint-plugin-prettier v5.0.0 # Do this to get around a bug in the version that @10up/eslint-config requires.
-      run: npm install eslint-plugin-prettier@^5.0.0
-
     - name: Get updated JS files
       id: changed-files
       uses: tj-actions/changed-files@v41
@@ -42,5 +39,4 @@ jobs:
 
     - name: Run JS linting
       if: ${{ steps.changed-files.outputs.any_changed == 'true' }}
-      run: |
-        npx 10up-toolkit lint-js ${{ steps.changed-files.outputs.all_changed_files }}
+      run: ./node_modules/.bin/10up-toolkit lint-js ${{ steps.changed-files.outputs.all_changed_files }}
diff --git a/assets/js/admin/indexer.js b/assets/js/admin/indexer.js
index 22f288e..71e9d27 100644
--- a/assets/js/admin/indexer.js
+++ b/assets/js/admin/indexer.js
@@ -112,7 +112,10 @@ class Indexer extends EventTarget {
 
 	cancel() {
 		this.cancelPending();
-		this.triggerEvent('indexCancel', { progress: this.progress, total: this.total });
+		this.triggerEvent('indexCancel', {
+			progress: this.progress,
+			total: this.total,
+		});
 	}
 
 	loadTerms(opts) {
@@ -150,69 +153,11 @@ class Indexer extends EventTarget {
 			});
 	}
 
-	async deleteIndex(ids, opts) {
+	async deleteIndex(opts) {
 		this.progress = 0;
 		this.completed = 0;
 		this.failures = 0;
-		this.total = ids.length;
-		this.triggerEvent('deleteIndexStart', { progress: 0, total: this.total });
-
-		const chunks = this.toChunks(ids, opts.batchSize || 50);
-		const n = chunks.length;
-
-		for (let i = 0; i < n; i++) {
-			const batch = chunks[i];
-			try {
-				await this.deleteIndexBatch(batch, opts); // eslint-disable-line no-await-in-loop
-			} catch (e) {
-				this.failures += batch.length;
-				this.triggerEvent('deleteIndexError', e);
-			}
-		}
-
-		this.triggerEvent('deleteIndexComplete', {
-			progress: this.progress,
-			total: this.total,
-			completed: this.completed,
-			failures: this.failures,
-		});
-	}
-
-	async deleteIndexBatch(batch, opts = {}) {
-		const fetchOpts = {
-			url: opts.endpoint,
-			method: 'POST',
-			data: {
-				term_ids: batch,
-			},
-			...opts,
-		};
-
-		const promise = this.apiFetch(fetchOpts);
-
-		promise.then((res) => {
-			if (res.errors) {
-				this.failures += batch.length;
-				this.triggerEvent('deleteIndexError', res);
-			} else if (!res.success && res.data) {
-				this.failures += batch.length;
-				this.triggerEvent('deleteIndexError', res);
-			} else {
-				this.completed += batch.length;
-			}
-
-			this.progress += batch.length;
-			this.triggerEvent('deleteIndexProgress', {
-				progress: this.progress,
-				total: this.total,
-				...res,
-			});
-		});
-
-		return promise;
-	}
-
-	deleteIndexBulk(opts) {
+		this.total = 0;
 		this.triggerEvent('deleteIndexStart');
 
 		const fetchOpts = {
diff --git a/assets/js/admin/tools.js b/assets/js/admin/tools.js
index f3f79a2..f3577fc 100755
--- a/assets/js/admin/tools.js
+++ b/assets/js/admin/tools.js
@@ -22,10 +22,6 @@ class ToolsApp {
 		this.onIndex('indexCancel', 'didIndexCancel');
 		this.onIndex('indexError', 'didIndexError');
 
-		this.onIndex('loadTermsStart', 'didLoadTermsStart');
-		this.onIndex('loadTermsComplete', 'didLoadTermsComplete');
-		this.onIndex('loadTermsError', 'didLoadTermsError');
-
 		this.onIndex('deleteIndexStart', 'didDeleteIndexStart');
 		this.onIndex('deleteIndexProgress', 'didDeleteIndexProgress');
 		this.onIndex('deleteIndexComplete', 'didDeleteIndexComplete');
@@ -247,57 +243,6 @@ class ToolsApp {
 		this.updateProgress();
 	}
 
-	didLoadTermsStart() {
-		const message = __('Loading block catalog terms to delete ...', 'block-catalog');
-
-		this.setState({ status: 'loading-terms', message });
-		this.hideErrors();
-		this.setNotice('');
-
-		window.scrollTo(0, 0);
-	}
-
-	didLoadTermsComplete(event) {
-		const message = __('Loaded terms to delete, starting ...', 'block-catalog');
-		this.setState({ status: 'loaded-terms', message, ...event.detail });
-
-		const opts = {
-			batchSize: this.settings?.delete_index_batch_size,
-			endpoint: this.settings?.delete_index_endpoint,
-		};
-
-		let { terms } = this.state;
-		terms = terms.map((term) => term.id);
-
-		this.indexer.deleteIndex(terms, opts);
-	}
-
-	didLoadTermsError(event) {
-		const err = event.detail || {};
-
-		let message = __('Failed to load terms to delete.', 'block-catalog');
-
-		if (err?.terms?.length === 0) {
-			message = __('Block catalog is empty, nothing to delete.', 'block-catalog');
-			this.setState({ status: 'load-terms-error', message: '', error: '' });
-			this.setNotice(message, 'error');
-			return;
-		}
-
-		if (err?.message) {
-			message += `  (${err?.code} - ${err.message})`;
-		}
-
-		if (err?.data?.message) {
-			message += `  (${err.data.message})`;
-		} else if (typeof err?.data === 'string') {
-			message += `  (${err.data})`;
-		}
-
-		this.setState({ status: 'load-terms-error', message: '', error: err });
-		this.setNotice(message, 'error');
-	}
-
 	didDeleteIndexStart(event) {
 		const message = __('Deleting Index ...', 'block-catalog');
 		this.setState({ status: 'deleting', message, ...event.detail });
@@ -324,10 +269,10 @@ class ToolsApp {
 			);
 
 			this.setNotice(message, 'error');
-		} else if (event.detail?.completed) {
+		} else if (event.detail?.removed) {
 			message = sprintf(
 				__('Deleted %d block catalog term(s) successfully.', 'block-catalog'),
-				event.detail?.completed,
+				event.detail?.removed,
 			);
 
 			this.setNotice(message, 'success');
@@ -390,10 +335,10 @@ class ToolsApp {
 		}
 
 		const opts = {
-			endpoint: this.settings.terms_endpoint,
+			endpoint: this.settings.delete_index_endpoint,
 		};
 
-		this.indexer.loadTerms(opts);
+		this.indexer.deleteIndex(opts);
 		return false;
 	}
 
diff --git a/includes/classes/CatalogBuilder.php b/includes/classes/CatalogBuilder.php
index a8fbbde..048c2fd 100644
--- a/includes/classes/CatalogBuilder.php
+++ b/includes/classes/CatalogBuilder.php
@@ -42,51 +42,77 @@ public function catalog( $post_id, $opts = [] ) {
 	}
 
 	/**
-	 * Resets the Block Catalog by removing all catalog terms.
+	 * Bulk deletes all block catalog terms and their relationships via Direct DB query.
+	 * This is a faster alternative to wp_delete_term() which is slow for large catalogs.
 	 *
 	 * @param array $opts Optional args
+	 * @return array
 	 */
 	public function delete_index( $opts = [] ) { // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.Found
-		\BlockCatalog\Utility\start_bulk_operation();
-
-		$term_opts = [
-			'taxonomy'   => BLOCK_CATALOG_TAXONOMY,
-			'fields'     => 'ids',
-			'hide_empty' => false,
-		];
+		global $wpdb;
 
-		$terms   = get_terms( $term_opts );
-		$total   = count( $terms );
-		$removed = 0;
 		$errors  = 0;
-		$is_cli  = defined( 'WP_CLI' ) && WP_CLI;
-
-		// translators: %d is number of block catalog terms
-		$message = sprintf( __( 'Removing %d block catalog terms ...', 'block-catalog' ), $total );
+		$removed = 0;
 
-		if ( $is_cli ) {
-			$progress_bar = \WP_CLI\Utils\make_progress_bar( $message, $total );
+		// Delete term relationships
+		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
+		$term_relationships = $wpdb->query(
+			$wpdb->prepare(
+				"DELETE FROM {$wpdb->term_relationships}
+			WHERE term_taxonomy_id IN (
+				SELECT term_taxonomy_id FROM {$wpdb->term_taxonomy} WHERE taxonomy = %s
+				)",
+				BLOCK_CATALOG_TAXONOMY
+			)
+		);
+
+		if ( false === $term_relationships ) {
+			++$errors;
 		}
 
-		foreach ( $terms as $term_id ) {
-			if ( $is_cli ) {
-				$progress_bar->tick();
-			}
+		// Delete term taxonomy
+		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
+		$term_taxonomy = $wpdb->query(
+			$wpdb->prepare(
+				"DELETE FROM {$wpdb->term_taxonomy} WHERE taxonomy = %s",
+				BLOCK_CATALOG_TAXONOMY
+			)
+		);
+
+		if ( false === $term_taxonomy ) {
+			++$errors;
+		} else {
+			$removed = $term_taxonomy;
+		}
 
-			$result = $this->delete_term_index( $term_id );
+		// Delete terms
+		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
+		$terms = $wpdb->query(
+			$wpdb->prepare(
+				"DELETE FROM {$wpdb->terms}
+				WHERE term_id IN (
+					SELECT term_id FROM {$wpdb->term_taxonomy} WHERE taxonomy = %s
+				)",
+				BLOCK_CATALOG_TAXONOMY
+			)
+		);
+
+		if ( false === $terms ) {
+			++$errors;
+		}
 
-			\BlockCatalog\Utility\clear_caches();
+		// update block catalog term counts = 0
+		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
+		$wpdb->query(
+			$wpdb->prepare(
+				"UPDATE {$wpdb->term_taxonomy} SET count = 0 WHERE taxonomy = %s",
+				BLOCK_CATALOG_TAXONOMY
+			)
+		);
 
-			if ( ! is_wp_error( $result ) ) {
-				++$removed;
-			} else {
-				++$errors;
-			}
-		}
+		clean_term_cache( [], BLOCK_CATALOG_TAXONOMY, true );
 
-		if ( $is_cli ) {
-			$progress_bar->finish();
-		}
+		$is_cli = defined( 'WP_CLI' ) && WP_CLI;
 
 		if ( $is_cli ) {
 			if ( ! empty( $removed ) ) {
@@ -97,12 +123,11 @@ public function delete_index( $opts = [] ) { // phpcs:ignore Generic.CodeAnalysi
 			}
 
 			if ( ! empty( $errors ) ) {
+				// translators: %d is number of catalog terms removed
 				\WP_CLI::warning( sprintf( 'Failed to remove %d block catalog terms(s).', 'block-catalog' ), $errors );
 			}
 		}
 
-		\BlockCatalog\Utility\stop_bulk_operation();
-
 		return [
 			'removed' => $removed,
 			'errors'  => $errors,
diff --git a/includes/classes/RESTSupport.php b/includes/classes/RESTSupport.php
index e671b17..de9e6ab 100644
--- a/includes/classes/RESTSupport.php
+++ b/includes/classes/RESTSupport.php
@@ -91,13 +91,6 @@ public function register_endpoints() {
 				'permission_callback' => function () {
 					return current_user_can( \BlockCatalog\Utility\get_required_capability() );
 				},
-				'args'                => [
-					'term_ids' => [
-						'required'          => true,
-						'type'              => 'array',
-						'validate_callback' => [ $this, 'validate_term_ids' ],
-					],
-				],
 			]
 		);
 	}
@@ -136,28 +129,18 @@ public function get_terms() {
 	/**
 	 * Deletes the Block catalog index.
 	 *
-	 * @param \WP_REST_Request $request The request object
 	 * @return array
 	 */
-	public function delete_index( $request ) {
+	public function delete_index() {
 		\BlockCatalog\Utility\start_bulk_operation();
 
-		$term_ids = $request->get_param( 'term_ids' );
-		$updated  = 0;
-		$errors   = 0;
-		$builder  = new CatalogBuilder();
-
-		foreach ( $term_ids as $term_id ) {
-			$result = $builder->delete_term_index( $term_id );
+		$updated = 0;
+		$errors  = 0;
+		$builder = new CatalogBuilder();
 
-			\BlockCatalog\Utility\clear_caches();
-
-			if ( is_wp_error( $result ) ) {
-				++$errors;
-			} else {
-				++$updated;
-			}
-		}
+		$result  = $builder->delete_index( [ 'bulk' => true ] );
+		$updated = $result['removed'];
+		$errors  = $result['errors'];
 
 		\BlockCatalog\Utility\stop_bulk_operation();
 
@@ -318,21 +301,4 @@ public function validate_post_ids( $post_ids ) {
 
 		return ! empty( $post_ids );
 	}
-
-	/**
-	 * Validates the specified term ids.
-	 *
-	 * @param array $term_ids The term ids to validate
-	 * @return bool
-	 */
-	public function validate_term_ids( $term_ids ) {
-		if ( empty( $term_ids ) ) {
-			return true;
-		}
-
-		$term_ids = array_map( 'intval', $term_ids );
-		$term_ids = array_filter( $term_ids );
-
-		return ! empty( $term_ids );
-	}
 }
diff --git a/tests/classes/CatalogBuilderTest.php b/tests/classes/CatalogBuilderTest.php
index 838e850..729fd11 100644
--- a/tests/classes/CatalogBuilderTest.php
+++ b/tests/classes/CatalogBuilderTest.php
@@ -403,9 +403,10 @@ function test_it_can_delete_block_catalog_index() {
 			$this->builder->catalog( $post_id );
 		}
 
-		$this->builder->delete_index();
+		$result = $this->builder->delete_index();
 
 		$actual = get_terms( [ 'taxonomy' => BLOCK_CATALOG_TAXONOMY ] );
 		$this->assertEmpty( $actual );
 	}
+
 }