diff --git a/packages/js/product-editor/changelog/fix-46615 b/packages/js/product-editor/changelog/fix-46615
new file mode 100644
index 00000000000..45a2e2abf42
--- /dev/null
+++ b/packages/js/product-editor/changelog/fix-46615
@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Remove block appender below the custom fields block
diff --git a/packages/js/product-editor/src/blocks/product-fields/custom-fields-toggle/edit.tsx b/packages/js/product-editor/src/blocks/product-fields/custom-fields-toggle/edit.tsx
index ff976e4b90b..91309e112e1 100644
--- a/packages/js/product-editor/src/blocks/product-fields/custom-fields-toggle/edit.tsx
+++ b/packages/js/product-editor/src/blocks/product-fields/custom-fields-toggle/edit.tsx
@@ -30,7 +30,10 @@ export function Edit( {
 			className:
 				'wp-block-woocommerce-product-custom-fields-toggle-field__inner-blocks',
 		},
-		{ templateLock: 'all' }
+		{
+			templateLock: 'all',
+			renderAppender: false,
+		}
 	);
 
 	const { isLoading, metaboxhiddenProduct, saveMetaboxhiddenProduct } =