diff --git a/deps.ts b/deps.ts
deleted file mode 100644
index 8243dfd..0000000
--- a/deps.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { encode, decode } from "https://deno.land/std@0.78.0/encoding/utf8.ts";
diff --git a/tty_async.ts b/tty_async.ts
index 4ed2b8d..a053745 100644
--- a/tty_async.ts
+++ b/tty_async.ts
@@ -1,4 +1,4 @@
-import { encode } from "./deps.ts";
+import { encode } from "./util.ts";
 
 import {
   AsyncStream,
diff --git a/tty_sync.ts b/tty_sync.ts
index 8fcb760..803bbc1 100644
--- a/tty_sync.ts
+++ b/tty_sync.ts
@@ -1,4 +1,4 @@
-import { encode } from "./deps.ts";
+import { encode } from "./util.ts";
 
 import {
   SyncStream,
diff --git a/util.ts b/util.ts
new file mode 100644
index 0000000..89415f0
--- /dev/null
+++ b/util.ts
@@ -0,0 +1,5 @@
+export const encoder = new TextEncoder();
+
+export function encode(input?: string): Uint8Array {
+  return encoder.encode(input);
+}