diff --git a/VulkanHppGenerator.cpp b/VulkanHppGenerator.cpp
index ecaf9fa..c4ee34d 100644
--- a/VulkanHppGenerator.cpp
+++ b/VulkanHppGenerator.cpp
@@ -5864,7 +5864,7 @@ std::string VulkanHppGenerator::generateCppModuleUsings() const
 
   // some hardcoded types
   auto const hardCodedResultValueTypes =
-    std::array{ "ResultValue", "ResultValueType", "detail::createResultValueType", "detail::ignore", "detail::resultCheck" };
+    std::array{ "ResultValue", "ResultValueType" };
   for ( auto const & valueType : hardCodedResultValueTypes )
   {
     usings += replaceWithMap( usingTemplate, { { "className", valueType } } );
diff --git a/vulkan/vulkan.cppm b/vulkan/vulkan.cppm
index b4db70a..10e3f1f 100644
--- a/vulkan/vulkan.cppm
+++ b/vulkan/vulkan.cppm
@@ -945,9 +945,6 @@ export namespace VULKAN_HPP_NAMESPACE
 
   using VULKAN_HPP_NAMESPACE::ResultValue;
   using VULKAN_HPP_NAMESPACE::ResultValueType;
-  using VULKAN_HPP_NAMESPACE::detail::createResultValueType;
-  using VULKAN_HPP_NAMESPACE::detail::ignore;
-  using VULKAN_HPP_NAMESPACE::detail::resultCheck;
 
   //===========================
   //=== CONSTEXPR CONSTANTs ===
diff --git a/vulkan/vulkansc.cppm b/vulkan/vulkansc.cppm
index a4fda32..a1708b0 100644
--- a/vulkan/vulkansc.cppm
+++ b/vulkan/vulkansc.cppm
@@ -498,9 +498,6 @@ export namespace VULKAN_HPP_NAMESPACE
 
   using VULKAN_HPP_NAMESPACE::ResultValue;
   using VULKAN_HPP_NAMESPACE::ResultValueType;
-  using VULKAN_HPP_NAMESPACE::detail::createResultValueType;
-  using VULKAN_HPP_NAMESPACE::detail::ignore;
-  using VULKAN_HPP_NAMESPACE::detail::resultCheck;
 
   //===========================
   //=== CONSTEXPR CONSTANTs ===