diff --git a/include/llvm/Target/TargetAsmInfo.h b/include/llvm/Target/TargetAsmInfo.h
index d5273a385b9..ccc2075fe3f 100644
--- a/include/llvm/Target/TargetAsmInfo.h
+++ b/include/llvm/Target/TargetAsmInfo.h
@@ -35,7 +35,6 @@ namespace llvm {
   /// a section.
   struct SectionKind {
     enum Kind {
-      Unknown = 0,      ///< Custom section.
       Text,             ///< Text section.
       BSS,              ///< BSS section.