diff --git a/serverless/aws/src/index.ts b/serverless/aws/src/index.ts
index b450551..afa7ee8 100644
--- a/serverless/aws/src/index.ts
+++ b/serverless/aws/src/index.ts
@@ -21,8 +21,6 @@ import s3client from "/var/runtime/node_modules/aws-sdk/clients/s3.js";
 
 const keepAliveAgent = new https.Agent({ keepAlive: true, maxSockets: 1 });
 
-var start;
-
 // the region should default to the same one as the function
 const s3 = new s3client({
 	httpOptions: { agent: keepAliveAgent },
@@ -42,7 +40,7 @@ async function nativeDecompress(
 }
 
 // Lambda needs to run with 512MB, empty function takes about 70
-const CACHE = new ResolvedValueCache(256000000, undefined, nativeDecompress);
+const CACHE = new ResolvedValueCache(undefined, undefined, nativeDecompress);
 
 // duplicated code below
 export const pmtiles_path = (name: string, setting?: string): string => {
diff --git a/serverless/cloudflare/src/index.ts b/serverless/cloudflare/src/index.ts
index da634d7..025c752 100644
--- a/serverless/cloudflare/src/index.ts
+++ b/serverless/cloudflare/src/index.ts
@@ -82,7 +82,7 @@ async function nativeDecompress(
 	}
 }
 
-const CACHE = new ResolvedValueCache(undefined, undefined, nativeDecompress);
+const CACHE = new ResolvedValueCache(25, undefined, nativeDecompress);
 
 class R2Source implements Source {
 	env: Env;
@@ -195,15 +195,11 @@ export default {
 					}
 				}
 
-				// TODO: optimize by making decompression optional
 				const tiledata = await p.getZxy(tile[0], tile[1], tile[2]);
 
 				switch (p_header.tileType) {
 					case TileType.Mvt:
-						cacheable_headers.set(
-							"Content-Type",
-							"application/x-protobuf"
-						);
+						cacheable_headers.set("Content-Type", "application/x-protobuf");
 						break;
 					case TileType.Png:
 						cacheable_headers.set("Content-Type", "image/png");