diff --git a/biome.jsonc b/biome.jsonc
index ed53544..cacca48 100644
--- a/biome.jsonc
+++ b/biome.jsonc
@@ -6,7 +6,8 @@
   },
   "formatter": {
     "indentStyle": "space",
-    "lineWidth": 100
+    "lineWidth": 100,
+    "ignore": ["**/*.json"]
   },
   "javascript": {
     "formatter": {
diff --git a/src/compileTypes/helpers/getTSConfigCompilerOptions.ts b/src/compileTypes/helpers/getTSConfigCompilerOptions.ts
index 3bad96b..1ebbd91 100644
--- a/src/compileTypes/helpers/getTSConfigCompilerOptions.ts
+++ b/src/compileTypes/helpers/getTSConfigCompilerOptions.ts
@@ -32,5 +32,7 @@ export function getTSConfigCompilerOptions(
     return parsedConfig.options;
   }
 
-  return require(tsconfigPath).compilerOptions;
+  const { allowJs, ...compilerOptions } = require(tsconfigPath);
+
+  return compilerOptions;
 }