diff --git a/core/libs/tests/GuestKernelSys.cpp b/core/libs/tests/GuestKernelSys.cpp
index 8c58f9189..f75d6c1d9 100644
--- a/core/libs/tests/GuestKernelSys.cpp
+++ b/core/libs/tests/GuestKernelSys.cpp
@@ -419,7 +419,6 @@ int main() {
 #ifndef _WIN32
     Require(symlink_nid_postfix("loop", (root / "loop").string().c_str()) == 0);
     Require(fchmodat_nid_postfix(base, "loop/x", 0600, 0) == -1 && Error() == 62);
-    const std::string longName(300, 'a');
     Require(fchmodat_nid_postfix(base, longName.c_str(), 0600, 0) == -1 && Error() == 63);
 #endif
     Require(sceKernelClose(base) == 0);