diff --git a/index.api.ts b/index.api.ts
index 3760793..56bc8df 100644
--- a/index.api.ts
+++ b/index.api.ts
@@ -437,12 +437,6 @@ function normalizeMockFilePath(filePath: string): string {
   if (path.isAbsolute(relative)) {
     throw new Error("filePath must be a relative path");
   }
-  const innerPath = relative.replace(/^mock\//, "");
-  if (!/^[A-Za-z0-9/.]+$/.test(innerPath)) {
-    throw new Error(
-      "filePath only allows English letters, numbers, '/', and '.'",
-    );
-  }
   return relative;
 }