diff --git a/src/nix/main.cc b/src/nix/main.cc
index 5158c3902..b923f2535 100644
--- a/src/nix/main.cc
+++ b/src/nix/main.cc
@@ -59,7 +59,6 @@ struct HelpRequested { };
 
 struct NixArgs : virtual MultiCommand, virtual MixCommonArgs
 {
-    bool printBuildLogs = false;
     bool useNet = true;
     bool refresh = false;
     bool showVersion = false;