diff --git a/src/session/mod.ts b/src/session/mod.ts
index 7917237..953f079 100644
--- a/src/session/mod.ts
+++ b/src/session/mod.ts
@@ -1,7 +1,7 @@
 import type { PageProps } from '$fresh/server.ts'
 import { getCookies } from '@std/http/cookie'
 
-type SessionEntry<T extends unknown = unknown> = {
+type SessionEntry<T = unknown> = {
 	accessCount: number
 	flash: boolean
 	value: T
@@ -84,7 +84,7 @@ class Session {
 		return this.#timestamp
 	}
 
-	get<T extends unknown = unknown>(key: string): T | undefined {
+	get<T = unknown>(key: string): T | undefined {
 		this.#updateTimestamp()
 
 		const entry = this.#db.get(key)
@@ -103,7 +103,7 @@ class Session {
 		this.#db.set(key, entry)
 		return entry.value as T
 	}
-	set<T extends unknown = unknown>(key: string, value: T): void {
+	set<T = unknown>(key: string, value: T): void {
 		this.#updateTimestamp()
 
 		const entry = this.#db.get(key) as SessionEntry<T> | undefined
@@ -132,7 +132,7 @@ class Session {
 		const keys = [...this.#db.keys()]
 		return keys.map((key) => ([key, this.get(key)] as [string, unknown]))
 	}
-	flash<T extends unknown = unknown>(key: string, value: T) {
+	flash<T = unknown>(key: string, value: T) {
 		this.#updateTimestamp()
 
 		const entry = this.#db.get(key) as SessionEntry<T> | undefined