diff --git a/pkgs/by-name/lo/losslesscut-bin/build-from-appimage.nix b/pkgs/by-name/lo/losslesscut-bin/build-from-appimage.nix
index 5aad32368ba78..faf62ceeb2bb2 100644
--- a/pkgs/by-name/lo/losslesscut-bin/build-from-appimage.nix
+++ b/pkgs/by-name/lo/losslesscut-bin/build-from-appimage.nix
@@ -9,8 +9,6 @@
 }:
 
 let
-  pname = "losslesscut";
-
   src = fetchurl {
     url = "https://github.com/mifi/lossless-cut/releases/download/v${version}/LosslessCut-linux-x86_64.AppImage";
     inherit hash;
diff --git a/pkgs/by-name/lo/losslesscut-bin/build-from-dmg.nix b/pkgs/by-name/lo/losslesscut-bin/build-from-dmg.nix
index 88b27dc5236dc..c13fc28be9acf 100644
--- a/pkgs/by-name/lo/losslesscut-bin/build-from-dmg.nix
+++ b/pkgs/by-name/lo/losslesscut-bin/build-from-dmg.nix
@@ -10,17 +10,15 @@
   metaCommon ? { },
 }:
 
-let
-  pname = "losslesscut";
+stdenvNoCC.mkDerivation {
+  inherit pname version;
+
   src = fetchurl {
     url = "https://github.com/mifi/lossless-cut/releases/download/v${version}/LosslessCut-mac-${
       if isAarch64 then "arm64" else "x64"
     }.dmg";
     inherit hash;
   };
-in
-stdenvNoCC.mkDerivation {
-  inherit pname version src;
 
   nativeBuildInputs = [ _7zz ];