diff --git a/lld/ELF/Options.td b/lld/ELF/Options.td
--- a/lld/ELF/Options.td
+++ b/lld/ELF/Options.td
@@ -381,7 +381,7 @@
 def start_lib: F<"start-lib">,
   HelpText<"Start a grouping of objects that should be treated as if they were together in an archive">;
 
-def strip_all: F<"strip-all">, HelpText<"Strip all symbols">;
+def strip_all: F<"strip-all">, HelpText<"Strip all symbols. Implies --strip-debug">;
 
 def strip_debug: F<"strip-debug">, HelpText<"Strip debugging information">;
 
diff --git a/lld/docs/ld.lld.1 b/lld/docs/ld.lld.1
--- a/lld/docs/ld.lld.1
+++ b/lld/docs/ld.lld.1
@@ -503,6 +503,8 @@
 in an archive.
 .It Fl -strip-all , Fl s
 Strip all symbols.
+Implies
+.Fl -strip-debug .
 .It Fl -strip-debug , Fl S
 Strip debugging information.
 .It Fl -symbol-ordering-file Ns = Ns Ar file