diff --git a/llvm/lib/BinaryFormat/Dwarf.cpp b/llvm/lib/BinaryFormat/Dwarf.cpp
index 55fa2df632bfa..a6c7e6afdbe7a 100644
--- a/llvm/lib/BinaryFormat/Dwarf.cpp
+++ b/llvm/lib/BinaryFormat/Dwarf.cpp
@@ -1076,10 +1076,3 @@ StringRef (*const llvm::dwarf::EnumTraits<LineNumberOps>::StringFn)(unsigned) =
     LNStandardString;
 StringRef (*const llvm::dwarf::EnumTraits<Index>::StringFn)(unsigned) =
     IndexString;
-
-constexpr char llvm::dwarf::EnumTraits<Attribute>::Type[];
-constexpr char llvm::dwarf::EnumTraits<Form>::Type[];
-constexpr char llvm::dwarf::EnumTraits<Index>::Type[];
-constexpr char llvm::dwarf::EnumTraits<Tag>::Type[];
-constexpr char llvm::dwarf::EnumTraits<LineNumberOps>::Type[];
-constexpr char llvm::dwarf::EnumTraits<LocationAtom>::Type[];