diff --git a/src/nix/add-to-store.cc b/src/nix/add-to-store.cc
index 64a43ecfa..171848002 100644
--- a/src/nix/add-to-store.cc
+++ b/src/nix/add-to-store.cc
@@ -38,7 +38,6 @@ struct CmdAddToStore : MixDryRun, StoreCommand
 
         addFlag({
             .longName  = "mode",
-            .shortName = 'n',
             .description = R"(
     How to compute the hash of the input.
     One of: