diff --git a/packages/react-components-pro/src/GridProEditColumn.tsx b/packages/react-components-pro/src/GridProEditColumn.tsx
index 3aa20bcb..98367a30 100644
--- a/packages/react-components-pro/src/GridProEditColumn.tsx
+++ b/packages/react-components-pro/src/GridProEditColumn.tsx
@@ -133,18 +133,10 @@ function GridProEditColumn<TItem = GridDefaultItem>(
   { children, footer, header, ...props }: GridProEditColumnProps<TItem>,
   ref: ForwardedRef<GridProEditColumnElement<TItem>>,
 ): ReactElement | null {
-  const [editModePortals, editModeRenderer] = useModelRenderer(editColumnReactRenderer(props.editModeRenderer), {
-    renderSync: true,
-  });
-  const [headerPortals, headerRenderer] = useSimpleOrChildrenRenderer(props.headerRenderer, header, {
-    renderSync: true,
-  });
-  const [footerPortals, footerRenderer] = useSimpleOrChildrenRenderer(props.footerRenderer, footer, {
-    renderSync: true,
-  });
-  const [bodyPortals, bodyRenderer] = useModelRenderer(editColumnReactRenderer(props.renderer ?? children), {
-    renderSync: true,
-  });
+  const [editModePortals, editModeRenderer] = useModelRenderer(editColumnReactRenderer(props.editModeRenderer));
+  const [headerPortals, headerRenderer] = useSimpleOrChildrenRenderer(props.headerRenderer, header);
+  const [footerPortals, footerRenderer] = useSimpleOrChildrenRenderer(props.footerRenderer, footer);
+  const [bodyPortals, bodyRenderer] = useModelRenderer(editColumnReactRenderer(props.renderer ?? children));
 
   return (
     <_GridProEditColumn<TItem>
diff --git a/packages/react-components/src/Grid.tsx b/packages/react-components/src/Grid.tsx
index 6bc10e8a..299ad7bf 100644
--- a/packages/react-components/src/Grid.tsx
+++ b/packages/react-components/src/Grid.tsx
@@ -19,7 +19,7 @@ function Grid<TItem = GridDefaultItem>(
   props: GridProps<TItem>,
   ref: ForwardedRef<GridElement<TItem>>,
 ): ReactElement | null {
-  const [portals, rowDetailsRenderer] = useModelRenderer(props.rowDetailsRenderer, { renderSync: true });
+  const [portals, rowDetailsRenderer] = useModelRenderer(props.rowDetailsRenderer);
 
   return (
     <_Grid<TItem> {...props} ref={ref} rowDetailsRenderer={rowDetailsRenderer}>
diff --git a/packages/react-components/src/GridColumn.tsx b/packages/react-components/src/GridColumn.tsx
index a5979253..811ba89c 100644
--- a/packages/react-components/src/GridColumn.tsx
+++ b/packages/react-components/src/GridColumn.tsx
@@ -54,15 +54,9 @@ function GridColumn<TItem = GridDefaultItem>(
   { children, footer, header, ...props }: GridColumnProps<TItem>,
   ref: ForwardedRef<GridColumnElement<TItem>>,
 ): ReactElement | null {
-  const [headerPortals, headerRenderer] = useSimpleOrChildrenRenderer(props.headerRenderer, header, {
-    renderSync: true,
-  });
-  const [footerPortals, footerRenderer] = useSimpleOrChildrenRenderer(props.footerRenderer, footer, {
-    renderSync: true,
-  });
-  const [bodyPortals, bodyRenderer] = useModelRenderer(props.renderer ?? children, {
-    renderSync: true,
-  });
+  const [headerPortals, headerRenderer] = useSimpleOrChildrenRenderer(props.headerRenderer, header);
+  const [footerPortals, footerRenderer] = useSimpleOrChildrenRenderer(props.footerRenderer, footer);
+  const [bodyPortals, bodyRenderer] = useModelRenderer(props.renderer ?? children);
 
   return (
     <_GridColumn<TItem>
diff --git a/packages/react-components/src/GridColumnGroup.tsx b/packages/react-components/src/GridColumnGroup.tsx
index b7518b4e..3bd0eaa3 100644
--- a/packages/react-components/src/GridColumnGroup.tsx
+++ b/packages/react-components/src/GridColumnGroup.tsx
@@ -40,12 +40,8 @@ function GridColumnGroup(
   { children, footer, header, ...props }: GridColumnGroupProps,
   ref: ForwardedRef<GridColumnGroupElement>,
 ): ReactElement | null {
-  const [headerPortals, headerRenderer] = useSimpleOrChildrenRenderer(props.headerRenderer, header, {
-    renderSync: true,
-  });
-  const [footerPortals, footerRenderer] = useSimpleOrChildrenRenderer(props.footerRenderer, footer, {
-    renderSync: true,
-  });
+  const [headerPortals, headerRenderer] = useSimpleOrChildrenRenderer(props.headerRenderer, header);
+  const [footerPortals, footerRenderer] = useSimpleOrChildrenRenderer(props.footerRenderer, footer);
 
   return (
     <_GridColumnGroup {...props} footerRenderer={footerRenderer} headerRenderer={headerRenderer} ref={ref}>
diff --git a/packages/react-components/src/GridFilterColumn.tsx b/packages/react-components/src/GridFilterColumn.tsx
index 8489a86c..741c3366 100644
--- a/packages/react-components/src/GridFilterColumn.tsx
+++ b/packages/react-components/src/GridFilterColumn.tsx
@@ -43,12 +43,8 @@ function GridFilterColumn<TItem = GridDefaultItem>(
   { footer, ...props }: GridFilterColumnProps<TItem>,
   ref: ForwardedRef<GridFilterColumnElement<TItem>>,
 ): ReactElement | null {
-  const [footerPortals, footerRenderer] = useSimpleOrChildrenRenderer(props.footerRenderer, footer, {
-    renderSync: true,
-  });
-  const [bodyPortals, bodyRenderer] = useModelRenderer(props.renderer ?? props.children, {
-    renderSync: true,
-  });
+  const [footerPortals, footerRenderer] = useSimpleOrChildrenRenderer(props.footerRenderer, footer);
+  const [bodyPortals, bodyRenderer] = useModelRenderer(props.renderer ?? props.children);
 
   return (
     <_GridFilterColumn<TItem> {...props} footerRenderer={footerRenderer} ref={ref} renderer={bodyRenderer}>
diff --git a/packages/react-components/src/GridSelectionColumn.tsx b/packages/react-components/src/GridSelectionColumn.tsx
index df3913c0..223b6dcf 100644
--- a/packages/react-components/src/GridSelectionColumn.tsx
+++ b/packages/react-components/src/GridSelectionColumn.tsx
@@ -49,15 +49,9 @@ function GridSelectionColumn<TItem = GridDefaultItem>(
   { footer, header, ...props }: GridSelectionColumnProps<TItem>,
   ref: ForwardedRef<GridSelectionColumnElement<TItem>>,
 ): ReactElement | null {
-  const [headerPortals, headerRenderer] = useSimpleOrChildrenRenderer(props.headerRenderer, header, {
-    renderSync: true,
-  });
-  const [footerPortals, footerRenderer] = useSimpleOrChildrenRenderer(props.footerRenderer, footer, {
-    renderSync: true,
-  });
-  const [bodyPortals, bodyRenderer] = useModelRenderer(props.renderer ?? props.children, {
-    renderSync: true,
-  });
+  const [headerPortals, headerRenderer] = useSimpleOrChildrenRenderer(props.headerRenderer, header);
+  const [footerPortals, footerRenderer] = useSimpleOrChildrenRenderer(props.footerRenderer, footer);
+  const [bodyPortals, bodyRenderer] = useModelRenderer(props.renderer ?? props.children);
 
   return (
     <_GridSelectionColumn<TItem>
diff --git a/packages/react-components/src/GridSortColumn.tsx b/packages/react-components/src/GridSortColumn.tsx
index 3b405a40..d460c527 100644
--- a/packages/react-components/src/GridSortColumn.tsx
+++ b/packages/react-components/src/GridSortColumn.tsx
@@ -42,12 +42,8 @@ function GridSortColumn<TItem = GridDefaultItem>(
   { footer, ...props }: GridSortColumnProps<TItem>,
   ref: ForwardedRef<GridSortColumnElement<TItem>>,
 ): ReactElement | null {
-  const [footerPortals, footerRenderer] = useSimpleOrChildrenRenderer(props.footerRenderer, footer, {
-    renderSync: true,
-  });
-  const [bodyPortals, bodyRenderer] = useModelRenderer(props.renderer ?? props.children, {
-    renderSync: true,
-  });
+  const [footerPortals, footerRenderer] = useSimpleOrChildrenRenderer(props.footerRenderer, footer);
+  const [bodyPortals, bodyRenderer] = useModelRenderer(props.renderer ?? props.children);
 
   return (
     <_GridSortColumn<TItem> {...props} footerRenderer={footerRenderer} ref={ref} renderer={bodyRenderer}>
diff --git a/packages/react-components/src/GridTreeColumn.tsx b/packages/react-components/src/GridTreeColumn.tsx
index 85f5aafa..fcd9cedf 100644
--- a/packages/react-components/src/GridTreeColumn.tsx
+++ b/packages/react-components/src/GridTreeColumn.tsx
@@ -46,12 +46,8 @@ function GridTreeColumn<TItem = GridDefaultItem>(
   { footer, header, ...props }: GridTreeColumnProps<TItem>,
   ref: ForwardedRef<GridTreeColumnElement<TItem>>,
 ): ReactElement | null {
-  const [headerPortals, headerRenderer] = useSimpleOrChildrenRenderer(props.headerRenderer, header, {
-    renderSync: true,
-  });
-  const [footerPortals, footerRenderer] = useSimpleOrChildrenRenderer(props.footerRenderer, footer, {
-    renderSync: true,
-  });
+  const [headerPortals, headerRenderer] = useSimpleOrChildrenRenderer(props.headerRenderer, header);
+  const [footerPortals, footerRenderer] = useSimpleOrChildrenRenderer(props.footerRenderer, footer);
 
   return (
     <_GridTreeColumn<TItem> {...props} headerRenderer={headerRenderer} footerRenderer={footerRenderer} ref={ref}>
diff --git a/packages/react-components/src/renderers/useModelRenderer.ts b/packages/react-components/src/renderers/useModelRenderer.ts
index 27476bd3..cc4f71fe 100644
--- a/packages/react-components/src/renderers/useModelRenderer.ts
+++ b/packages/react-components/src/renderers/useModelRenderer.ts
@@ -1,6 +1,6 @@
 import type { ComponentType } from 'react';
 import type { Slice } from './renderer.js';
-import { useRenderer, type RendererConfig, type UseRendererResult } from './useRenderer.js';
+import { useRenderer, type UseRendererResult } from './useRenderer.js';
 
 export type Model<I> = Readonly<{
   item: I;
@@ -27,7 +27,6 @@ export function convertModelRendererArgs<I, M extends Model<I>, O extends HTMLEl
 
 export function useModelRenderer<I, M extends Model<I>, O extends HTMLElement>(
   reactRenderer?: ComponentType<ReactModelRendererProps<I, M, O>> | null,
-  config?: RendererConfig,
 ): UseRendererResult<WebComponentModelRenderer<I, M, O>> {
-  return useRenderer(reactRenderer, convertModelRendererArgs, config);
+  return useRenderer(reactRenderer, convertModelRendererArgs);
 }
diff --git a/packages/react-components/src/renderers/useRenderer.ts b/packages/react-components/src/renderers/useRenderer.ts
index 79bb02b3..363455e8 100644
--- a/packages/react-components/src/renderers/useRenderer.ts
+++ b/packages/react-components/src/renderers/useRenderer.ts
@@ -7,7 +7,7 @@ import {
   useCallback,
   useReducer,
 } from 'react';
-import { createPortal, flushSync } from 'react-dom';
+import { createPortal } from 'react-dom';
 import type { Slice, WebComponentRenderer } from './renderer.js';
 
 export type UseRendererResult<W extends WebComponentRenderer> = readonly [
@@ -24,49 +24,20 @@ function rendererReducer<W extends WebComponentRenderer>(
   return new Map(state).set(root, args as Slice<Parameters<W>, 1>);
 }
 
-export type RendererConfig = {
-  renderSync?: boolean;
-};
-
 export function useRenderer<P extends {}, W extends WebComponentRenderer>(
   node: ReactNode,
   convert?: (props: Slice<Parameters<W>, 1>) => PropsWithChildren<P>,
-  config?: RendererConfig,
 ): UseRendererResult<W>;
 export function useRenderer<P extends {}, W extends WebComponentRenderer>(
   reactRenderer: ComponentType<P> | null | undefined,
   convert: (props: Slice<Parameters<W>, 1>) => PropsWithChildren<P>,
-  config?: RendererConfig,
 ): UseRendererResult<W>;
 export function useRenderer<P extends {}, W extends WebComponentRenderer>(
   reactRendererOrNode: ReactNode | ComponentType<P> | null | undefined,
   convert?: (props: Slice<Parameters<W>, 1>) => PropsWithChildren<P>,
-  config?: RendererConfig,
 ): UseRendererResult<W> {
   const [map, update] = useReducer<typeof rendererReducer<W>>(rendererReducer, initialState);
-  const renderer = useCallback(
-    ((...args: Parameters<W>) => {
-      if (config?.renderSync) {
-        // The web components may request multiple synchronous renderer calls that
-        // would result in flushSync logging a warning (and actually executing the
-        // overlapping flushSync in microtask timing). Suppress the warning and allow
-        // the resulting asynchronicity.
-        const console = globalThis.console as any;
-        const error = console.error;
-        console.error = (message: string) => {
-          if (message.includes('flushSync')) {
-            return;
-          }
-          error(message);
-        };
-        flushSync(() => update(args));
-        console.error = error;
-      } else {
-        update(args);
-      }
-    }) as W,
-    [],
-  );
+  const renderer = useCallback(((...args: Parameters<W>) => update(args)) as W, []);
 
   return reactRendererOrNode
     ? [
diff --git a/packages/react-components/src/renderers/useSimpleOrChildrenRenderer.ts b/packages/react-components/src/renderers/useSimpleOrChildrenRenderer.ts
index 3131987d..24834419 100644
--- a/packages/react-components/src/renderers/useSimpleOrChildrenRenderer.ts
+++ b/packages/react-components/src/renderers/useSimpleOrChildrenRenderer.ts
@@ -1,6 +1,6 @@
 import type { ComponentType, ReactNode } from 'react';
 import { useRenderer } from './useRenderer.js';
-import type { RendererConfig, UseRendererResult } from './useRenderer.js';
+import type { UseRendererResult } from './useRenderer.js';
 import {
   type ReactSimpleRendererProps,
   useSimpleRenderer,
@@ -10,7 +10,6 @@ import {
 export function useSimpleOrChildrenRenderer<O extends HTMLElement>(
   fnRenderer?: ComponentType<ReactSimpleRendererProps<O>> | null,
   children?: ReactNode | ComponentType<ReactSimpleRendererProps<O>>,
-  config?: RendererConfig,
 ): UseRendererResult<WebComponentSimpleRenderer<O>> {
   let _children: ReactNode | undefined;
   let _fnRenderer: ComponentType<ReactSimpleRendererProps<O>> | null | undefined;
@@ -26,8 +25,8 @@ export function useSimpleOrChildrenRenderer<O extends HTMLElement>(
     shouldUseSimpleRendererResult = !!_fnRenderer;
   }
 
-  const useChildrenRendererResult = useRenderer(_children, undefined, config);
-  const useSimpleRendererResult = useSimpleRenderer(_fnRenderer, config);
+  const useChildrenRendererResult = useRenderer(_children, undefined);
+  const useSimpleRendererResult = useSimpleRenderer(_fnRenderer);
 
   return shouldUseSimpleRendererResult ? useSimpleRendererResult : useChildrenRendererResult;
 }
diff --git a/packages/react-components/src/renderers/useSimpleRenderer.ts b/packages/react-components/src/renderers/useSimpleRenderer.ts
index d854e104..14f2c5e7 100644
--- a/packages/react-components/src/renderers/useSimpleRenderer.ts
+++ b/packages/react-components/src/renderers/useSimpleRenderer.ts
@@ -1,6 +1,6 @@
 import type { ComponentType, PropsWithChildren } from 'react';
 import type { Slice } from './renderer.js';
-import { useRenderer, type RendererConfig, type UseRendererResult } from './useRenderer.js';
+import { useRenderer, type UseRendererResult } from './useRenderer.js';
 
 export type ReactSimpleRendererProps<O extends HTMLElement> = Readonly<{
   original: O;
@@ -16,7 +16,6 @@ function convertSimpleRendererArgs<O extends HTMLElement>([original]: Slice<
 
 export function useSimpleRenderer<O extends HTMLElement>(
   reactRenderer?: ComponentType<ReactSimpleRendererProps<O>> | null,
-  config?: RendererConfig,
 ): UseRendererResult<WebComponentSimpleRenderer<O>> {
-  return useRenderer(reactRenderer, convertSimpleRendererArgs, config);
+  return useRenderer(reactRenderer, convertSimpleRendererArgs);
 }