diff --git a/infra/cloud-url-stack.ts b/infra/cloud-url-stack.ts
index 2d21d3c..6025ad0 100644
--- a/infra/cloud-url-stack.ts
+++ b/infra/cloud-url-stack.ts
@@ -12,10 +12,10 @@ import {HttpOrigin} from "aws-cdk-lib/aws-cloudfront-origins";
 import {OutputSet} from "./constructs/output-set";
 import {CfnLogGroup, LogGroup, RetentionDays} from "aws-cdk-lib/aws-logs";
 import {readFileSync} from "fs";
-import {readLinksFromFile} from "./utils";
+import {default as links} from '../links.json';
 
 export type LinkRecords = {
-    [key: string]: string | { url: string, expiresAt: string }
+    [key: string]: string | { url: string, expiresAt: string|null }
 };
 
 type CloudUrlStackProps = StackProps & {
@@ -29,7 +29,7 @@ export class CloudUrlStack extends Stack {
     constructor(scope: Construct, id: string, props?: CloudUrlStackProps) {
 
         if (props?.stage == null) {
-            throw new Error('Stage not set');
+            throw new Error('stage context value not set');
         }
 
         super(scope, id, {
@@ -50,8 +50,6 @@ export class CloudUrlStack extends Stack {
 
         const logGroup = this.createLogGroup(functionName);
 
-        const links = readLinksFromFile();
-
         const redirectFn = this.createRedirectFunction(functionName, logGroup, links);
 
         const distribution = this.createDistribution(redirectFn);
diff --git a/infra/utils.ts b/infra/utils.ts
deleted file mode 100644
index 228420c..0000000
--- a/infra/utils.ts
+++ /dev/null
@@ -1,33 +0,0 @@
-import {readFileSync} from "fs";
-import {LinkRecords} from "./cloud-url-stack";
-import Ajv from "ajv";
-
-export function readLinksFromFile(): LinkRecords {
-        const data = JSON.parse(readFileSync('./links.json').toString());
-
-        const schema = {
-            type: 'object',
-            additionalProperties: {
-                type: ['string', 'object'],
-                properties: {
-                    url: {
-                        type: 'string',
-                    },
-                    expiresAt: {
-                        type: ['null', 'string'],
-                    },
-                },
-                required: ['url'],
-                additionalProperties: false
-            },
-        };
-
-        const ajv = new Ajv();
-        const validate = ajv.compile(schema);
-        const valid = validate(data);
-        if (!valid) {
-            throw new Error(`Failed to validate links.json\n${JSON.stringify(validate.errors, null, 4)}`);
-        }
-
-        return data as LinkRecords;
-    }
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 8aad544..2d37d65 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,6 @@
       "name": "cloud-url",
       "version": "0.1.0",
       "dependencies": {
-        "ajv": "^8.17.1",
         "aws-cdk-lib": "2.135.0",
         "constructs": "^10.0.0",
         "source-map-support": "^0.5.21"
@@ -1169,21 +1168,6 @@
         "node": ">=0.4.0"
       }
     },
-    "node_modules/ajv": {
-      "version": "8.17.1",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.17.1.tgz",
-      "integrity": "sha512-B/gBuNg5SiMTrPkC+A2+cW0RszwxYmn6VYxB/inlBStS5nx6xHIt/ehKRhIMhqusl7a8LjQoZnjCs5vhwxOQ1g==",
-      "dependencies": {
-        "fast-deep-equal": "^3.1.3",
-        "fast-uri": "^3.0.1",
-        "json-schema-traverse": "^1.0.0",
-        "require-from-string": "^2.0.2"
-      },
-      "funding": {
-        "type": "github",
-        "url": "https://github.com/sponsors/epoberezkin"
-      }
-    },
     "node_modules/ansi-escapes": {
       "version": "4.3.2",
       "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-4.3.2.tgz",
@@ -2213,22 +2197,12 @@
         "node": "^14.15.0 || ^16.10.0 || >=18.0.0"
       }
     },
-    "node_modules/fast-deep-equal": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
-      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q=="
-    },
     "node_modules/fast-json-stable-stringify": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
       "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==",
       "dev": true
     },
-    "node_modules/fast-uri": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/fast-uri/-/fast-uri-3.0.1.tgz",
-      "integrity": "sha512-MWipKbbYiYI0UC7cl8m/i/IWTqfC8YXsqjzybjddLsFjStroQzsHXkc73JutMvBiXmOvapk+axIl79ig5t55Bw=="
-    },
     "node_modules/fb-watchman": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/fb-watchman/-/fb-watchman-2.0.2.tgz",
@@ -3254,11 +3228,6 @@
       "integrity": "sha512-xyFwyhro/JEof6Ghe2iz2NcXoj2sloNsWr/XsERDK/oiPCfaNhl5ONfp+jQdAZRQQ0IJWNzH9zIZF7li91kh2w==",
       "dev": true
     },
-    "node_modules/json-schema-traverse": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz",
-      "integrity": "sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug=="
-    },
     "node_modules/json5": {
       "version": "2.2.3",
       "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",
@@ -3684,14 +3653,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/require-from-string": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-2.0.2.tgz",
-      "integrity": "sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==",
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/resolve": {
       "version": "1.22.8",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.22.8.tgz",
diff --git a/package.json b/package.json
index 7f0249d..7aa5787 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,6 @@
     "typescript": "~5.4.3"
   },
   "dependencies": {
-    "ajv": "^8.17.1",
     "aws-cdk-lib": "2.135.0",
     "constructs": "^10.0.0",
     "source-map-support": "^0.5.21"
diff --git a/tsconfig.json b/tsconfig.json
index da6168c..c26d899 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -21,6 +21,8 @@
     "experimentalDecorators": true,
     "strictPropertyInitialization": false,
     "allowJs": true,
+    "resolveJsonModule": true,
+    "esModuleInterop": true,
     "typeRoots": [
       "./node_modules/@types"
     ]