diff --git a/flake.nix b/flake.nix
index b4d1141..64867f1 100755
--- a/flake.nix
+++ b/flake.nix
@@ -42,59 +42,7 @@
                 modules = [
                   (_: {
                     nixpkgs.overlays = [
-                      (final: prev: {
-                        kernel = import inputs.nixpkgs-desktop-kernel {
-                          inherit system;
-                          config = {
-                            allowUnfree = true;
-                            nvidia.acceptLicense = true;
-                          };
-                        };
-
-                        nbfc-linux = final.callPackage ./pkgs/nbfc-linux { };
-
-                        extest = final.pkgsi686Linux.callPackage ./pkgs/extest { };
-
-                        #mesa-radv-jupiter = final.callPackage ./pkgs/mesa-radv-jupiter { mesa-radv-jupiter' = prev.mesa-radv-jupiter; };
-
-                        steamPackages = prev.steamPackages.overrideScope (finalScope: prevScope: {
-                          steam = prevScope.steam.overrideAttrs (finalAttrs: prevAttrs: {
-                            postInstall = prevAttrs.postInstall + ''
-                              substituteInPlace $out/share/applications/steam.desktop --replace "steam %U" "LD_PRELOAD=${final.extest}/lib/libextest.so steam %U -silent"
-                            '';
-                          });
-                        });
-
-                        libvirt = prev.libvirt.override (prevAttrs: { enableXen = false; });
-
-                        openvswitch = prev.openvswitch.override { kernel = null; };
-
-                        virtiofsd = final.callPackage ./pkgs/qemu_7/virtiofsd.nix {
-                          qemu = final.callPackage ./pkgs/qemu_7 {
-                            inherit (final.darwin.apple_sdk.frameworks) CoreServices Cocoa Hypervisor vmnet;
-                            inherit (final.darwin.stubs) rez setfile;
-                            inherit (final.darwin) sigtool;
-                          };
-                        };
-
-                        distrobox = prev.distrobox.overrideAttrs (finalAttrs: prevAttrs: {
-                          version = "git";
-                          src = final.fetchFromGitHub {
-                            owner = "89luca89";
-                            repo = "distrobox";
-                            rev = "18053c254a83750c49c08e58df2e48a0f04aef48";
-                            hash = "sha256-Gqi9kot7omRrxQPy3PbpqvU3tb33pzIyMA33anzHSjw=";
-                          };
-
-                          patches = [
-                            ./patches/distrobox/relative-default-icon.patch
-                          ];
-
-                          installPhase = ''
-                            ./install -P $out
-                          '';
-                        });
-                      })
+                      (import ./overlay.nix { inherit inputs system; })
                     ];
 
                     nixpkgs = {
diff --git a/home-manager/flake.nix b/home-manager/flake.nix
index fc5fccd..2a030bd 100755
--- a/home-manager/flake.nix
+++ b/home-manager/flake.nix
@@ -50,24 +50,7 @@
 
           (_: {
             nixpkgs.overlays = [
-              (final: prev: {
-                duperemove = prev.duperemove.overrideAttrs (finalAttrs: prevAttrs: {
-                  src = final.fetchFromGitHub {
-                    owner = "markfasheh";
-                    repo = "duperemove";
-                    rev = "c389d3d5309ed5641aae8cb5d7a255019396bf86";
-                    hash = "sha256-5yyeHGttSlVro+j72VUBoscwIPd4scsQ8X2He4xWFJU=";
-                  };
-
-                  nativeBuildInputs = prevAttrs.nativeBuildInputs ++ [ final.libbsd final.xxHash ];
-
-                  postPatch = ''
-                    substituteInPlace Makefile --replace "--std=c23" "--std=c2x"
-                    substituteInPlace results-tree.h --replace "// TODO: delete this" "#include \"list.h\""
-                    substituteInPlace results-tree.h --replace "struct list_head {" "struct list_head_b {"
-                  '';
-                });
-              })
+              (import ./overlay.nix { })
             ];
 
             home = {
diff --git a/home-manager/overlay.nix b/home-manager/overlay.nix
new file mode 100644
index 0000000..46e07d9
--- /dev/null
+++ b/home-manager/overlay.nix
@@ -0,0 +1,19 @@
+{}:
+(final: prev: {
+  duperemove = prev.duperemove.overrideAttrs (finalAttrs: prevAttrs: {
+    src = final.fetchFromGitHub {
+      owner = "markfasheh";
+      repo = "duperemove";
+      rev = "c389d3d5309ed5641aae8cb5d7a255019396bf86";
+      hash = "sha256-5yyeHGttSlVro+j72VUBoscwIPd4scsQ8X2He4xWFJU=";
+    };
+
+    nativeBuildInputs = prevAttrs.nativeBuildInputs ++ [ final.libbsd final.xxHash ];
+
+    postPatch = ''
+      substituteInPlace Makefile --replace "--std=c23" "--std=c2x"
+      substituteInPlace results-tree.h --replace "// TODO: delete this" "#include \"list.h\""
+      substituteInPlace results-tree.h --replace "struct list_head {" "struct list_head_b {"
+    '';
+  });
+})
diff --git a/overlay.nix b/overlay.nix
new file mode 100644
index 0000000..82c10a5
--- /dev/null
+++ b/overlay.nix
@@ -0,0 +1,48 @@
+{ inputs
+, system
+}:
+(final: prev: {
+  kernel = import inputs.nixpkgs-desktop-kernel {
+    inherit system;
+    config = {
+      allowUnfree = true;
+      nvidia.acceptLicense = true;
+    };
+  };
+
+  nbfc-linux = final.callPackage ./pkgs/nbfc-linux { };
+
+  extest = final.pkgsi686Linux.callPackage ./pkgs/extest { };
+
+  #mesa-radv-jupiter = final.callPackage ./pkgs/mesa-radv-jupiter { mesa-radv-jupiter' = prev.mesa-radv-jupiter; };
+
+  steamPackages = prev.steamPackages.overrideScope (finalScope: prevScope: {
+    steam = prevScope.steam.overrideAttrs (finalAttrs: prevAttrs: {
+      postInstall = prevAttrs.postInstall + ''
+        substituteInPlace $out/share/applications/steam.desktop --replace "steam %U" "LD_PRELOAD=${final.extest}/lib/libextest.so steam %U -silent"
+      '';
+    });
+  });
+
+  libvirt = prev.libvirt.override (prevAttrs: { enableXen = false; });
+
+  openvswitch = prev.openvswitch.override { kernel = null; };
+
+  virtiofsd = final.callPackage ./pkgs/qemu_7/virtiofsd.nix {
+    qemu = final.callPackage ./pkgs/qemu_7 {
+      inherit (final.darwin.apple_sdk.frameworks) CoreServices Cocoa Hypervisor vmnet;
+      inherit (final.darwin.stubs) rez setfile;
+      inherit (final.darwin) sigtool;
+    };
+  };
+
+  distrobox = prev.distrobox.overrideAttrs (finalAttrs: prevAttrs: {
+    version = "git";
+    src = final.fetchFromGitHub {
+      owner = "89luca89";
+      repo = "distrobox";
+      rev = "3bac964bf0952674848dce170af8b41d743abe57";
+      hash = "sha256-uPCnI52PjxZPPzoMqS3ayF+5lqvQqb8WmeP1BxAC2ZE=";
+    };
+  });
+})