diff --git a/action.yml b/action.yml
index 742374d..e1637d0 100644
--- a/action.yml
+++ b/action.yml
@@ -29,8 +29,6 @@ inputs:
   VALIDATE_PUBRULES:
     description: Validate against W3C Publication Rules
     default: false
-  W3C_API_KEY:
-    description: W3C API Key (required for VALIDATE_PUBRULES for now)
   GH_PAGES_BRANCH:
     description: Provide a branch name to deploy to GitHub pages.
   GH_PAGES_BUILD_OVERRIDE:
@@ -134,7 +132,6 @@ runs:
       env:
         INPUTS_VALIDATE_PUBRULES: ${{ steps.prepare.outputs.validate && fromJson(steps.prepare.outputs.validate).pubrules }}
         OUTPUTS_BUILD: ${{ steps.build.outputs.w3c && toJson(fromJson(steps.build.outputs.w3c)) }}
-        INPUTS_W3C_API_KEY: ${{ inputs.W3C_API_KEY }}
 
     - name: Validate Web IDL
       run: |
diff --git a/src/validate-pubrules.ts b/src/validate-pubrules.ts
index a43b427..93f5090 100644
--- a/src/validate-pubrules.ts
+++ b/src/validate-pubrules.ts
@@ -37,25 +37,22 @@ if (module === require.main) {
 	}
 
 	const input: Input = JSON.parse(env("OUTPUTS_BUILD"));
-	const apiKey = env("INPUTS_W3C_API_KEY");
-	main(input, apiKey).catch(err => exit(err.message || "Failed", err.code));
+	main(input).catch(err => exit(err.message || "Failed", err.code));
 }
 
-export default async function main({ dest, file }: Input, apiKey: string) {
+export default async function main({ dest, file }: Input) {
 	console.log(`Pubrules ${file}...`);
 	await install("specberus");
 
 	const server = await new StaticServer(dest).start();
 	let result;
 	try {
-		process.env.W3C_API_KEY = apiKey;
 		// TODO: use correct file in URL
 		result = await validate(server.url);
 	} catch (error) {
 		console.error(error);
 		exit("Something went wrong");
 	} finally {
-		delete process.env.W3C_API_KEY;
 		await server.stop();
 	}
 
@@ -85,8 +82,6 @@ function sinkAsync<T>() {
 	};
 }
 
-// TODO:
-// - API key exception handling (based on apiKey being required or not)
 async function validate(url: URL) {
 	const { Specberus } = require("specberus");
 
diff --git a/test/validate-pubrules.test.ts b/test/validate-pubrules.test.ts
index f592329..51575a9 100644
--- a/test/validate-pubrules.test.ts
+++ b/test/validate-pubrules.test.ts
@@ -1,4 +1,3 @@
-import { env } from "../src/utils.js";
 import main from "../src/validate-pubrules.js";
 import { Outputs } from "./index.test.js";
 
@@ -10,6 +9,5 @@ export default async function validatePubrules(outputs: Outputs) {
 
 	const { dest = process.cwd() + ".w3c", file = "index.html" } =
 		outputs?.build?.w3c || {};
-	const apiKey = env("W3C_API_KEY");
-	return await main({ dest, file }, apiKey);
+	return await main({ dest, file });
 }