flake.nix

@@ -87,19 +87,13 @@
       };
     };
 
-    overlays = {
+    devShells = {
-      default = final: prev: {
-        scanned-image-extractor = self.packages.${system}.default;
-      };
-    };
-
-    devShells.${system} = {
       default = pkgs.mkShellNoCC {
         packages = with pkgs; [
           cmake
           opencv3
           liblbfgs
-          qt5.full
+          gt5.full
 
           appimage-run
         ];