diff --git a/pkgs/applications/office/paperwork/backend.nix b/pkgs/applications/office/paperwork/backend.nix
new file mode 100644
index 000000000000..557529964649
--- /dev/null
+++ b/pkgs/applications/office/paperwork/backend.nix
@@ -0,0 +1,39 @@
+{ buildPythonPackage, lib, fetchFromGitHub
+
+, isPy3k, isPyPy
+
+, pyenchant, simplebayes, pillow, pycountry, whoosh, termcolor
+, python-Levenshtein, pyinsane2, pygobject3, pyocr, natsort
+
+, pkgs
+}:
+
+buildPythonPackage rec {
+  name = "paperwork-backend-${version}";
+  version = "1.2.1";
+
+  src = fetchFromGitHub {
+    owner = "openpaperwork";
+    repo = "paperwork-backend";
+    rev = version;
+    sha256 = "1lrawibm6jnykj1bkrl8196kcxrhndzp7r0brdrb4hs54gql7j5x";
+  };
+
+  # Python 2.x is not supported.
+  disabled = !isPy3k && !isPyPy;
+
+  preCheck = "\"$out/bin/paperwork-shell\" chkdeps paperwork_backend";
+
+  propagatedBuildInputs = [
+    pyenchant simplebayes pillow pycountry whoosh termcolor
+    python-Levenshtein pyinsane2 pygobject3 pyocr natsort
+    pkgs.poppler_gi pkgs.gtk3
+  ];
+
+  meta = {
+    description = "Backend part of Paperwork (Python API, no UI)";
+    homepage = https://openpaper.work/;
+    license = lib.licenses.gpl3Plus;
+    maintainers = [ lib.maintainers.aszlig ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a211ddefe81c..922b4b738cbf 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6495,36 +6495,7 @@ in {
   # These used to be here but were moved to all-packages, but I'll leave them around for a while.
   pants = pkgs.pants;
 
-  paperwork-backend = buildPythonPackage rec {
-    name = "paperwork-backend-${version}";
-    version = "1.2.1";
-
-    src = pkgs.fetchFromGitHub {
-      owner = "openpaperwork";
-      repo = "paperwork-backend";
-      rev = version;
-      sha256 = "1lrawibm6jnykj1bkrl8196kcxrhndzp7r0brdrb4hs54gql7j5x";
-    };
-
-    # Python 2.x is not supported.
-    disabled = !isPy3k && !isPyPy;
-
-    preCheck = "\"$out/bin/paperwork-shell\" chkdeps paperwork_backend";
-
-    propagatedBuildInputs = with self; [
-      pyenchant simplebayes pillow pycountry whoosh termcolor
-      python-Levenshtein pyinsane2 pygobject3 pyocr
-      pkgs.poppler_gi pkgs.gtk3
-      natsort
-    ];
-
-    meta = {
-      description = "Backend part of Paperwork (Python API, no UI)";
-      homepage = https://openpaper.work/;
-      license = licenses.gpl3Plus;
-      maintainers = [ maintainers.aszlig ];
-    };
-  };
+  paperwork-backend = callPackage ../applications/office/paperwork/backend.nix { };
 
   pathspec = callPackage ../development/python-modules/pathspec { };