diff --git a/.changeset/six-years-prove.md b/.changeset/six-years-prove.md
new file mode 100644
index 000000000..51c559413
--- /dev/null
+++ b/.changeset/six-years-prove.md
@@ -0,0 +1,5 @@
+---
+'preact-cli': patch
+---
+
+Restricts `preact.config.js`'s `env` types into a more idiomatic subset
diff --git a/packages/cli/types.d.ts b/packages/cli/types.d.ts
index 7f185cba9..762efd3da 100644
--- a/packages/cli/types.d.ts
+++ b/packages/cli/types.d.ts
@@ -57,16 +57,9 @@ export type Config = {
  * to check for in your config
  */
 export type Env = {
-	src: string;
-	dest: string;
-	esm: boolean;
-	sw: boolean;
-	dev: boolean;
-	production: boolean;
 	isProd: boolean;
-	ssr: boolean;
-	prerender: boolean;
-	[key: string]: any;
+	isWatch: boolean;
+	isServer: boolean;
 };
 
 export type Helpers = {