diff --git a/llvm/tools/llvm-readobj/Opts.td b/llvm/tools/llvm-readobj/Opts.td
--- a/llvm/tools/llvm-readobj/Opts.td
+++ b/llvm/tools/llvm-readobj/Opts.td
@@ -4,14 +4,14 @@
 class FF<string name, string help> : Flag<["--", "-"], name>, HelpText<help>;
 
 multiclass BB<string name, string help1, string help2> {
-  def NAME: Flag<["--", "-"], name>, HelpText<help1>;
-  def no_ # NAME: Flag<["--", "-"], "no-" # name>, HelpText<help2>;
+  def NAME: Flag<["--"], name>, HelpText<help1>;
+  def no_ # NAME: Flag<["--"], "no-" # name>, HelpText<help2>;
 }
 
 multiclass Eq<string name, string help> {
-  def NAME #_EQ : Joined<["--", "-"], name #"=">,
+  def NAME #_EQ : Joined<["--"], name #"=">,
                   HelpText<help>;
-  def : Separate<["--", "-"], name>, Alias<!cast<Joined>(NAME #_EQ)>;
+  def : Separate<["--"], name>, Alias<!cast<Joined>(NAME #_EQ)>;
 }
 
 def addrsig : FF<"addrsig", "Display address-significance table">;