diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d57ac640cf35..de70e6f68661 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10719,7 +10719,6 @@ with pkgs;
   trustedqsl = tqsl; # Alias added 2019-02-10
 
   transmission_4 = callPackage ../applications/networking/p2p/transmission/4.nix {
-    fmt = fmt_9;
     libutp = libutp_3_4;
   };
   libtransmission_4 = transmission_4.override {