diff --git a/packages/_infra/src/serve/lambda.tiler.ts b/packages/_infra/src/serve/lambda.tiler.ts
index 9864ba037..bc4416617 100644
--- a/packages/_infra/src/serve/lambda.tiler.ts
+++ b/packages/_infra/src/serve/lambda.tiler.ts
@@ -73,12 +73,6 @@ export class LambdaTiler extends Construct {
     this.functionUrl = new lambda.FunctionUrl(this, 'LambdaCogUrl', {
       function: this.lambdaNoVpc,
       authType: lambda.FunctionUrlAuthType.NONE,
-      cors: {
-        allowedOrigins: ['*'],
-        allowedMethods: [lambda.HttpMethod.GET],
-        allowCredentials: false,
-        maxAge: cdk.Duration.minutes(1),
-      },
     });
 
     if (props.staticBucketName) {
diff --git a/packages/lambda-tiler/src/index.ts b/packages/lambda-tiler/src/index.ts
index 145ee3670..584dfad4e 100644
--- a/packages/lambda-tiler/src/index.ts
+++ b/packages/lambda-tiler/src/index.ts
@@ -1,5 +1,5 @@
 import { LogConfig } from '@basemaps/shared';
-import { LambdaHttpResponse, LambdaUrlRequest, lf } from '@linzjs/lambda';
+import { LambdaHttpResponse, lf } from '@linzjs/lambda';
 import { tileAttributionGet } from './routes/attribution.js';
 import { fontGet, fontList } from './routes/fonts.js';
 import { healthGet } from './routes/health.js';
@@ -40,13 +40,11 @@ handler.router.hook('response', (req, res) => {
     cacheB: CoSources.cache.cacheB.size,
   });
 
-  // FunctionURLs automatically inject CORS responses for us
-  if (!(req instanceof LambdaUrlRequest) && req.headers.has('origin')) {
-    res.header('access-control-allow-origin', '*');
-  }
+  // Force access-control-allow-origin to everything
+  res.header('access-control-allow-origin', '*');
 });
 
-// CORS is handled by function url hook so just return ok if the route exists
+// CORS is handled by response hook so just return ok if the route exists
 handler.router.options('*', (req) => {
   const route = handler.router.router.find('GET', req.path);
   if (route == null) return NotFound();
diff --git a/packages/lambda-tiler/src/util/source.cache.ts b/packages/lambda-tiler/src/util/source.cache.ts
index 02cc6a242..0b1d3bd6b 100644
--- a/packages/lambda-tiler/src/util/source.cache.ts
+++ b/packages/lambda-tiler/src/util/source.cache.ts
@@ -68,4 +68,5 @@ export class SourceCache {
   }
 }
 
-export const CoSources = new SourceCache(256 * 1024 * 1024);
+/** Approx 1GB */
+export const CoSources = new SourceCache(1000 * 1000 * 1000);