diff --git a/pkgs/applications/graphics/sane/backends/default.nix b/pkgs/applications/graphics/sane/backends/default.nix
index 000e8c17f9c9..3038d2be2123 100644
--- a/pkgs/applications/graphics/sane/backends/default.nix
+++ b/pkgs/applications/graphics/sane/backends/default.nix
@@ -38,9 +38,6 @@ stdenv.mkDerivation {
       url = "https://raw.githubusercontent.com/void-linux/void-packages/4b97cd2fb4ec38712544438c2491b6d7d5ab334a/srcpkgs/sane/patches/sane-desc-cross.patch";
       sha256 = "sha256-y6BOXnOJBSTqvRp6LwAucqaqv+OLLyhCS/tXfLpnAPI=";
     })
-    # generate hwdb entries for scanners handled by other backends like epkowa
-    # https://gitlab.com/sane-project/backends/-/issues/619
-    ./sane-desc-generate-entries-unsupported-scanners.patch
   ];
 
   postPatch = ''
@@ -110,7 +107,7 @@ stdenv.mkDerivation {
   in ''
     mkdir -p $out/etc/udev/rules.d/ $out/etc/udev/hwdb.d
     ./tools/sane-desc -m udev+hwdb -s doc/descriptions:doc/descriptions-external > $out/etc/udev/rules.d/49-libsane.rules
-    ./tools/sane-desc -m udev+hwdb -s doc/descriptions -m hwdb > $out/etc/udev/hwdb.d/20-sane.hwdb
+    ./tools/sane-desc -m udev+hwdb -s doc/descriptions:doc/descriptions-external -m hwdb > $out/etc/udev/hwdb.d/20-sane.hwdb
     # the created 49-libsane references /bin/sh
     substituteInPlace $out/etc/udev/rules.d/49-libsane.rules \
       --replace "RUN+=\"/bin/sh" "RUN+=\"${runtimeShell}"
diff --git a/pkgs/applications/graphics/sane/backends/sane-desc-generate-entries-unsupported-scanners.patch b/pkgs/applications/graphics/sane/backends/sane-desc-generate-entries-unsupported-scanners.patch
deleted file mode 100644
index 0fbe9f31c3f4..000000000000
--- a/pkgs/applications/graphics/sane/backends/sane-desc-generate-entries-unsupported-scanners.patch
+++ /dev/null
@@ -1,19 +0,0 @@
-sane-desc does not include unsupported .desc entries like EPSON V300 PHOTO,
-which can be supported by the (unfree) epkowa driver.
-But we need those entries so that unprivileged users which have installed epkowa
-can use the scanner.
-diff --git a/tools/sane-desc.c b/tools/sane-desc.c
-index 7a8645dea..9c9719fef 100644
---- a/tools/sane-desc.c
-+++ b/tools/sane-desc.c
-@@ -3243,10 +3243,6 @@ create_usbids_table (void)
- 
- 	      for (model = mfg->model; model; model = model->next)
- 		{
--		  if ((model->status == status_unsupported)
--		      || (model->status == status_unknown))
--		    continue;
--
- 		  if (model->usb_vendor_id && model->usb_product_id)
- 		    {
- 		      first_usbid = add_usbid (first_usbid, mfg->name,