diff --git a/pr-checks/tsconfig.json b/pr-checks/tsconfig.json
index 367148ab9..f75a95289 100644
--- a/pr-checks/tsconfig.json
+++ b/pr-checks/tsconfig.json
@@ -9,5 +9,12 @@
     "noEmit": true
   },
   "include": ["./**/*.ts", "../src/**/*.ts"],
-  "exclude": ["node_modules", "../src/**/*.test.ts"]
+  "exclude": [
+    "node_modules",
+    "../src/testdata/**",
+    "../src/**/*.test.ts",
+    "../src/testing-utils.ts",
+    "../src/json/testing-util.ts",
+    "../src/feature-flags/testing-util.ts"
+  ]
 }