diff --git a/source/Utility/RegularExpression.cpp b/source/Utility/RegularExpression.cpp
index 432b45ee4c46..fd9d963f7294 100644
--- a/source/Utility/RegularExpression.cpp
+++ b/source/Utility/RegularExpression.cpp
@@ -28,10 +28,7 @@ bool RegularExpression::Execute(
   return m_regex.match(str, matches);
 }
 
-bool RegularExpression::IsValid() const {
-  std::string discarded;
-  return m_regex.isValid(discarded);
-}
+bool RegularExpression::IsValid() const { return m_regex.isValid(); }
 
 llvm::StringRef RegularExpression::GetText() const { return m_regex_text; }