diff --git a/datetime/_common.ts b/datetime/_date_time_formatter.ts
similarity index 98%
rename from datetime/_common.ts
rename to datetime/_date_time_formatter.ts
index 12d011f2c324..39d515ff3c4c 100644
--- a/datetime/_common.ts
+++ b/datetime/_date_time_formatter.ts
@@ -1,34 +1,34 @@
 // Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
 // This module is browser compatible.
 
-export type Token = {
+type Token = {
   type: string;
   value: string | number;
   index: number;
   [key: string]: unknown;
 };
 
-export interface ReceiverResult {
+interface ReceiverResult {
   [name: string]: string | number | unknown;
 }
-export type CallbackResult = {
+type CallbackResult = {
   type: string;
   value: string | number;
   [key: string]: unknown;
 };
 type CallbackFunction = (value: unknown) => CallbackResult;
 
-export type TestResult = { value: unknown; length: number } | undefined;
-export type TestFunction = (
+type TestResult = { value: unknown; length: number } | undefined;
+type TestFunction = (
   string: string,
 ) => TestResult | undefined;
 
-export interface Rule {
+interface Rule {
   test: TestFunction;
   fn: CallbackFunction;
 }
 
-export class Tokenizer {
+class Tokenizer {
   rules: Rule[];
 
   constructor(rules: Rule[] = []) {
diff --git a/datetime/format.ts b/datetime/format.ts
index 34aae1c25dde..8e05b4df2e5c 100644
--- a/datetime/format.ts
+++ b/datetime/format.ts
@@ -1,7 +1,7 @@
 // Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
 // This module is browser compatible.
 
-import { DateTimeFormatter } from "./_common.ts";
+import { DateTimeFormatter } from "./_date_time_formatter.ts";
 
 /** Options for {@linkcode format}. */
 export interface FormatOptions {
diff --git a/datetime/parse.ts b/datetime/parse.ts
index a6e2161b749a..13201cf35a1b 100644
--- a/datetime/parse.ts
+++ b/datetime/parse.ts
@@ -1,7 +1,7 @@
 // Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
 // This module is browser compatible.
 
-import { DateTimeFormatter } from "./_common.ts";
+import { DateTimeFormatter } from "./_date_time_formatter.ts";
 
 /**
  * Parses a date string using the specified format string.