diff --git a/lld/ELF/Options.td b/lld/ELF/Options.td
index e9a2213b4e3d..5b140a6cbc5b 100644
--- a/lld/ELF/Options.td
+++ b/lld/ELF/Options.td
@@ -19,5 +19,11 @@ def shared : Flag<["-"], "shared">,
 def discard_all : Flag<["-"], "discard-all">,
      HelpText<"Delete all local symbols">;
 
+def alias_discard_all: Flag<["-"], "x">,
+     Alias<discard_all>;
+
 def discard_locals : Flag<["-"], "discard-locals">,
      HelpText<"Delete temporary local symbols">;
+
+def alias_discard_locals: Flag<["-"], "X">,
+     Alias<discard_locals>;