diff --git a/lib/nodes.d.ts b/lib/nodes.d.ts
index f054efd..0db6890 100644
--- a/lib/nodes.d.ts
+++ b/lib/nodes.d.ts
@@ -1,29 +1,32 @@
 import { Nil, Nilable } from "./lang.js";
-export declare type AnyNode = AnySyncNode | AnyAsyncNode;
-export declare type AnyAsyncNode = Promise<AnySyncNode>;
-export declare type AnySyncNode = TextNode | Elem | Frag | Nil | false;
-export declare class TextNode extends String {
-}
+export declare type AnyNode = TextNode | Elem | Frag | Nil | false;
+
+export declare class TextNode extends String {}
+
 export declare function F(...children: AnyNode[]): Frag;
 export declare class Frag {
-    #private;
-    constructor();
-    get children(): Nilable<AnyNode[]>;
-    withText(text: string): this;
-    addText(text: string): void;
-    withChildren(nodes: AnyNode[]): this;
-    withChild(node: AnyNode): this;
-    addChild(node: AnyNode): void;
+  #private;
+  constructor();
+  get children(): Nilable<AnyNode[]>;
+  withText(text: string): this;
+  addText(text: string): void;
+  withChildren(nodes: AnyNode[]): this;
+  withChild(node: AnyNode): this;
+  addChild(node: AnyNode): void;
 }
-export declare function E(tagName: string, attrs: ElemAttrs, ...children: AnyNode[]): Elem;
+export declare function E(
+  tagName: string,
+  attrs: ElemAttrs,
+  ...children: AnyNode[]
+): Elem;
 export declare type ElemAttrs = Record<string, unknown>;
 export declare class Elem extends Frag {
-    #private;
-    constructor(tagName: string);
-    get tagName(): string;
-    get attrs(): Record<string, unknown>;
-    withAttrs(attrs: Record<string, unknown>): Elem;
-    withAttr(name: string, value: unknown): Elem;
-    addAttr(name: string, value: unknown): void;
-    addChild(node: AnySyncNode): void;
+  #private;
+  constructor(tagName: string);
+  get tagName(): string;
+  get attrs(): Record<string, unknown>;
+  withAttrs(attrs: Record<string, unknown>): Elem;
+  withAttr(name: string, value: unknown): Elem;
+  addAttr(name: string, value: unknown): void;
+  addChild(node: AnyNode): void;
 }
diff --git a/lib/str.d.ts b/lib/str.d.ts
index e602328..6e569d0 100644
--- a/lib/str.d.ts
+++ b/lib/str.d.ts
@@ -1,5 +1,5 @@
 import { Renderer } from "./types.js";
 import { Elem } from "./nodes.js";
 export declare class StrRenderer implements Renderer<string> {
-    render(node: Elem | Promise<Elem>): Promise<string>;
+    render(node: Elem): string;
 }
diff --git a/lib/str.mjs b/lib/str.mjs
index 11b2dda..451da25 100644
--- a/lib/str.mjs
+++ b/lib/str.mjs
@@ -1,25 +1,24 @@
 import { isBool, isNil } from "./lang.mjs";
 import { Elem, TextNode } from "./nodes.mjs";
 export class StrRenderer {
-    async render(node) {
-        return encodeNode(await node);
+    render(node) {
+        return encodeNode(node);
     }
 }
-async function encodeAnyNode(node) {
-    const syncNode = await node;
-    return !syncNode
+function encodeAnyNode(node) {
+    return !node
         ? null
-        : syncNode instanceof TextNode
-            ? encodeTextNode(syncNode)
-            : encodeNode(syncNode);
+        : node instanceof TextNode
+            ? encodeTextNode(node)
+            : encodeNode(node);
 }
 function encodeTextNode(node) {
     return String(node);
 }
-async function encodeNode(node) {
+function encodeNode(node) {
     const encodedChildren = isNil(node.children)
         ? undefined
-        : await Promise.all(node.children.map(encodeAnyNode)).then((children) => children.filter((c) => Boolean(c)));
+        : node.children.map(encodeAnyNode).filter((c) => Boolean(c));
     return node instanceof Elem
         ? encodeHtmlElement(node.tagName, node.attrs, encodedChildren)
         : encodeHtmlFragment(encodedChildren);
diff --git a/lib/types.d.ts b/lib/types.d.ts
index 3db235b..e25b42b 100644
--- a/lib/types.d.ts
+++ b/lib/types.d.ts
@@ -1,4 +1,4 @@
 import { Elem } from "./nodes.js";
 export interface Renderer<T> {
-    render(node: Elem | Promise<Elem>): Promise<T>;
+    render(node: Elem): T;
 }
diff --git a/src/nodes.mts b/src/nodes.mts
index 6ed2927..5bd8370 100644
--- a/src/nodes.mts
+++ b/src/nodes.mts
@@ -1,8 +1,6 @@
 import { isNil, Nil, Nilable } from "./lang.mjs";
 
-export type AnyNode = AnySyncNode | AnyAsyncNode;
-export type AnyAsyncNode = Promise<AnySyncNode>;
-export type AnySyncNode = TextNode | Elem | Frag | Nil | false;
+export type AnyNode = TextNode | Elem | Frag | Nil | false;
 
 export class TextNode extends String {}
 
@@ -90,7 +88,7 @@ export class Elem extends Frag {
     this.#attrs[name] = value;
   }
 
-  addChild(node: AnySyncNode): void {
+  addChild(node: AnyNode): void {
     if (this.#isSelfClosed)
       throw new Error("You cannot add child to self closed element");
     super.addChild(node);
diff --git a/src/str.mts b/src/str.mts
index 448f09c..fd69ce8 100644
--- a/src/str.mts
+++ b/src/str.mts
@@ -3,30 +3,27 @@ import { isBool, isNil, Nullable } from "./lang.mjs";
 import { AnyNode, Elem, Frag, TextNode } from "./nodes.mjs";
 
 export class StrRenderer implements Renderer<string> {
-  async render(node: Elem | Promise<Elem>): Promise<string> {
-    return encodeNode(await node);
+  render(node: Elem): string {
+    return encodeNode(node);
   }
 }
 
-async function encodeAnyNode(node: AnyNode): Promise<Nullable<string>> {
-  const syncNode = await node;
-  return !syncNode
+function encodeAnyNode(node: AnyNode): Nullable<string> {
+  return !node
     ? null
-    : syncNode instanceof TextNode
-    ? encodeTextNode(syncNode)
-    : encodeNode(syncNode);
+    : node instanceof TextNode
+    ? encodeTextNode(node)
+    : encodeNode(node);
 }
 
 function encodeTextNode(node: TextNode): string {
   return String(node);
 }
 
-async function encodeNode(node: Elem | Frag): Promise<string> {
+function encodeNode(node: Elem | Frag): string {
   const encodedChildren = isNil(node.children)
     ? undefined
-    : await Promise.all(node.children.map(encodeAnyNode)).then((children) =>
-        children.filter((c): c is string => Boolean(c))
-      );
+    : node.children.map(encodeAnyNode).filter((c): c is string => Boolean(c));
   return node instanceof Elem
     ? encodeHtmlElement(node.tagName, node.attrs, encodedChildren)
     : encodeHtmlFragment(encodedChildren);
diff --git a/src/types.mts b/src/types.mts
index 3e04a75..d93d7ad 100644
--- a/src/types.mts
+++ b/src/types.mts
@@ -1,5 +1,5 @@
 import { Elem } from "./nodes.mjs";
 
 export interface Renderer<T> {
-  render(node: Elem | Promise<Elem>): Promise<T>;
+  render(node: Elem): T;
 }