diff --git a/hardware_interface/src/lexical_casts.cpp b/hardware_interface/src/lexical_casts.cpp
index 9e54472122..58e1930447 100644
--- a/hardware_interface/src/lexical_casts.cpp
+++ b/hardware_interface/src/lexical_casts.cpp
@@ -32,7 +32,6 @@ double stod(const std::string & s)
   return result;
 }
 #else
-double stod(const std::string & text)
 {
   double result_value;
   const auto parse_result = std::from_chars(text.data(), text.data() + text.size(), result_value);