diff --git a/include/llvm/Support/Dwarf.h b/include/llvm/Support/Dwarf.h
index d1d8ad4896d..5d0b5a943d5 100644
--- a/include/llvm/Support/Dwarf.h
+++ b/include/llvm/Support/Dwarf.h
@@ -45,7 +45,6 @@ enum llvm_dwarf_constants {
   // llvm mock tags
   DW_TAG_invalid = ~0U,                 // Tag for invalid results.
 
-  DW_TAG_anchor = 0,                    // Tag for descriptor anchors.
   DW_TAG_auto_variable = 0x100,         // Tag for local (auto) variables.
   DW_TAG_arg_variable = 0x101,          // Tag for argument variables.
   DW_TAG_return_variable = 0x102,       // Tag for return variables.