diff --git a/foomatic-db-device-id-C3170.patch b/foomatic-db-device-id-C3170.patch
deleted file mode 100644
index 3cf73d7..0000000
--- a/foomatic-db-device-id-C3170.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff -up foomatic-db-20100204/db/source/printer/Canon-imageRunner_C3170.xml.C3170 foomatic-db-20100204/db/source/printer/Canon-imageRunner_C3170.xml
---- foomatic-db-20100204/db/source/printer/Canon-imageRunner_C3170.xml.C3170	2010-07-23 11:24:00.000000000 +0200
-+++ foomatic-db-20100204/db/source/printer/Canon-imageRunner_C3170.xml	2010-07-23 11:24:51.000000000 +0200
-@@ -9,6 +9,12 @@
-     <postscript level="3" />
-     <pcl level="5c" />
-   </lang>
-+  <autodetect>
-+    <general>
-+      <manufacturer>Canon</manufacturer>
-+      <model>iR 3170C EUR 35.01</model>
-+    </general>
-+  </autodetect>
-   <functionality>B</functionality>
-   <driver>Postscript</driver>
-   <drivers>
diff --git a/foomatic-db.spec b/foomatic-db.spec
index a374221..c062ee6 100644
--- a/foomatic-db.spec
+++ b/foomatic-db.spec
@@ -5,7 +5,7 @@
 Summary: Database of printers and printer drivers
 Name: foomatic-db
 Version: %{dbver_rel}
-Release: 20.%{dbver_snap}%{?dist}
+Release: 21.%{dbver_snap}%{?dist}
 License: GPLv2+
 Group: System Environment/Libraries
 Requires: %{name}-filesystem = %{version}-%{release}
@@ -16,7 +16,6 @@ Source1: http://www.openprinting.org/download/foomatic/oldstuff/foomatic-db-hpij
 
 Patch1: foomatic-db-device-ids-20100416.patch
 Patch2: foomatic-db-device-ids-20100506.patch
-Patch3: foomatic-db-device-id-C3170.patch
 
 Url: http://www.openprinting.org
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
@@ -111,9 +110,6 @@ popd
 # - Ricoh Aficio SP C420DN (bug #589533).
 %patch2 -p1
 
-# Device ID for Canon iR 3170C (bug #617493).
-%patch3 -p1 -b .C3170
-
 # Use sed instead of perl in the PPDs (bug #512739).
 find db/source/PPD -type f -name '*.ppd' | xargs perl -pi -e 's,perl -p,sed,'
 
@@ -183,6 +179,9 @@ rm -rf %{buildroot}
 %{_datadir}/cups/model/foomatic-db-ppds
 
 %changelog
+* Wed Nov 03 2010 Jiri Popelka <jpopelka@redhat.com> 4.0-21.20100819
+- Remove wrong Device ID for Canon iR 3170C (bug #617493).
+
 * Fri Aug 20 2010 Jiri Popelka <jpopelka@redhat.com> 4.0-20.20100819
 - Removed printer/Samsung-CLP-300|315.xml (bug #625505).
 - Removed references to foo2oak-z1.