diff --git a/include/athena/DNAYaml.hpp b/include/athena/DNAYaml.hpp
index 5d11f29..e7ba501 100644
--- a/include/athena/DNAYaml.hpp
+++ b/include/athena/DNAYaml.hpp
@@ -1,7 +1,6 @@
 #pragma once
 
 #include <string>
-#include <type_traits>
 
 #include "athena/DNA.hpp"
 #include "athena/FileReader.hpp"
@@ -12,13 +11,12 @@
 namespace athena::io {
 
 template <class T>
-inline std::string_view __GetDNAName(const T& dna, std::enable_if_t<athena::io::__IsDNAVRecord_v<T>>* = nullptr) {
-  return dna.DNATypeV();
-}
-
-template <class T>
-inline std::string_view __GetDNAName(const T& dna, std::enable_if_t<!athena::io::__IsDNAVRecord_v<T>>* = nullptr) {
-  return dna.DNAType();
+std::string_view __GetDNAName(const T& dna) {
+  if constexpr (__IsDNAVRecord_v<T>) {
+    return dna.DNATypeV();
+  } else {
+    return dna.DNAType();
+  }
 }
 
 template <class T>
diff --git a/src/athena/DNAYaml.cpp b/src/athena/DNAYaml.cpp
index c8d7d59..2f2f077 100644
--- a/src/athena/DNAYaml.cpp
+++ b/src/athena/DNAYaml.cpp
@@ -2,6 +2,7 @@
 
 #include <cctype>
 #include <cstdlib>
+#include <type_traits>
 
 #include "athena/YAMLCommon.hpp"