diff --git a/include/dxc/DXIL/DxilShaderModel.h b/include/dxc/DXIL/DxilShaderModel.h
index def8176738..96f1408732 100644
--- a/include/dxc/DXIL/DxilShaderModel.h
+++ b/include/dxc/DXIL/DxilShaderModel.h
@@ -44,9 +44,6 @@ class ShaderModel {
   bool IsDS() const { return m_Kind == Kind::Domain; }
   bool IsCS() const { return m_Kind == Kind::Compute; }
   bool IsLib() const { return m_Kind == Kind::Library; }
-  bool IsRay() const {
-    return m_Kind >= Kind::RayGeneration && m_Kind <= Kind::Callable;
-  }
   bool IsMS() const { return m_Kind == Kind::Mesh; }
   bool IsAS() const { return m_Kind == Kind::Amplification; }
   bool IsValid() const;
diff --git a/lib/DXIL/DxilShaderModel.cpp b/lib/DXIL/DxilShaderModel.cpp
index f1fe6078b0..85d3a6853c 100644
--- a/lib/DXIL/DxilShaderModel.cpp
+++ b/lib/DXIL/DxilShaderModel.cpp
@@ -76,7 +76,8 @@ bool ShaderModel::IsValidForDxil() const {
 
 bool ShaderModel::IsValidForModule() const {
   // Ray tracing shader model should only be used on functions in a lib
-  return IsValid() && !IsRay();
+  return IsValid() &&
+         !(m_Kind >= Kind::RayGeneration && m_Kind <= Kind::Callable);
 }
 
 const ShaderModel *ShaderModel::Get(Kind Kind, unsigned Major, unsigned Minor) {