diff --git a/tests/fuse_drive_test.cpp b/tests/fuse_drive_test.cpp
index 282d8468..99385cac 100644
--- a/tests/fuse_drive_test.cpp
+++ b/tests/fuse_drive_test.cpp
@@ -279,7 +279,7 @@ static void test_ftruncate(const std::string &file_path) {
 }
 
 #ifndef __APPLE__
-static void test_fallocate(const std::string &api_path,
+static void test_fallocate(const std::string & /* api_path */,
                            const std::string &file_path) {
   std::cout << __FUNCTION__ << std::endl;
   auto file =