diff --git a/pkgs/by-name/co/cosmic-edit/package.nix b/pkgs/by-name/co/cosmic-edit/package.nix
index ea87434200eb..1c55ebbe18d7 100644
--- a/pkgs/by-name/co/cosmic-edit/package.nix
+++ b/pkgs/by-name/co/cosmic-edit/package.nix
@@ -38,7 +38,7 @@ rustPlatform.buildRustPackage rec {
   env.VERGEN_GIT_SHA = src.rev;
 
   postPatch = ''
-    substituteInPlace justfile --replace '#!/usr/bin/env' "#!$(command -v env)"
+    substituteInPlace justfile --replace-fail '#!/usr/bin/env' "#!$(command -v env)"
   '';
 
   nativeBuildInputs = [
@@ -79,20 +79,9 @@ rustPlatform.buildRustPackage rec {
     "-Wl,--pop-state"
   ];
 
-  # LD_LIBRARY_PATH can be removed once tiny-xlib is bumped above 0.2.2
   postInstall = ''
     wrapProgram "$out/bin/cosmic-edit" \
-      --suffix XDG_DATA_DIRS : "${cosmic-icons}/share" \
-      --prefix LD_LIBRARY_PATH : ${
-        lib.makeLibraryPath [
-          xorg.libX11
-          xorg.libXcursor
-          xorg.libXi
-          vulkan-loader
-          libxkbcommon
-          wayland
-        ]
-      }
+      --suffix XDG_DATA_DIRS : "${cosmic-icons}/share"
   '';
 
   meta = with lib; {