diff --git a/tests/src/test_resource_utils.cpp b/tests/src/test_resource_utils.cpp
index ac8c2a660f2e601ad621cb51ea48372f103ce858..1da8fcab9e8789cba8a6a11d1a0261b45dc8aa36 100644
--- a/tests/src/test_resource_utils.cpp
+++ b/tests/src/test_resource_utils.cpp
@@ -30,7 +30,7 @@
 #include "phx/resources/types/image.hpp"
 #include "phx/resources_path.hpp"
 
-namespace ResourceUtilsTest {
+namespace {
 void CreateDummyFile(const std::string &file_name) {
   std::fstream out_file(file_name.c_str(), std::ios::out);
   // force fail test if file could not be created
@@ -39,7 +39,7 @@ void CreateDummyFile(const std::string &file_name) {
 void DeleteDummyFile(const std::string &file_name) {
   std::remove(file_name.c_str());
 }
-}  // namespace ResourceUtilsTest
+}  // namespace
 
 SCENARIO("Resource utils can extract file extensions.",
          "[phx][phx::ResourceUtils]") {
@@ -106,14 +106,14 @@ SCENARIO("Resource utils find file resource outside the original search path",
   GIVEN("A file outside the original resource tree") {
     std::string dummy_file = "dummy.txt";
     std::string offset_search_path = "../";
-    ResourceUtilsTest::CreateDummyFile(offset_search_path + dummy_file);
+    ::CreateDummyFile(offset_search_path + dummy_file);
 
     phx::ResourceUtils::AddResourceSearchPath(offset_search_path);
     THEN("the file is found and a valid declaration is returned") {
       phx::ResourceDeclaration declaration =
           phx::ResourceUtils::DeclarationFromFile(dummy_file, {}, false);
       CHECK(declaration["file_name"] == offset_search_path + dummy_file);
-      ResourceUtilsTest::DeleteDummyFile(offset_search_path + dummy_file);
+      ::DeleteDummyFile(offset_search_path + dummy_file);
     }
   }
 }