diff --git a/impl.cpp b/impl.cpp
index 35a0e0f..25da01f 100644
--- a/impl.cpp
+++ b/impl.cpp
@@ -1,6 +1,7 @@
 #include "impl.hpp"
 
 #include "defines.hpp"
+#include "utils.hpp"
 
 #include <algorithm>
 #include <exception>
@@ -67,12 +68,6 @@
 using ECCOffset = uint16_t;
 using ECCLength = uint16_t;
 
-constexpr auto toHex(size_t c)
-{
-    constexpr auto map = "0123456789abcdef";
-    return map[c];
-}
-
 } // namespace
 
 namespace offsets
@@ -221,6 +216,7 @@
                              std::size_t dataLength,
                              Binary::const_iterator iterator)
 {
+    using namespace openpower::vpd;
     switch (std::get<keyword::Encoding>(keyword))
     {
         case keyword::Encoding::ASCII: