diff --git a/.gitignore b/.gitignore
index ce0ac6c..2184e66 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,3 +42,4 @@
 /cups-filters-1.0.69.tar.xz
 /cups-filters-1.0.70.tar.xz
 /cups-filters-1.0.71.tar.xz
+/cups-filters-1.0.73.tar.xz
diff --git a/cups-filters-poppler34.patch b/cups-filters-poppler34.patch
deleted file mode 100644
index f50a304..0000000
--- a/cups-filters-poppler34.patch
+++ /dev/null
@@ -1,36 +0,0 @@
-=== modified file 'filter/pdftoopvp/OPVPOutputDev.cxx'
---- filter/pdftoopvp/OPVPOutputDev.cxx	2015-02-18 03:17:28 +0000
-+++ filter/pdftoopvp/OPVPOutputDev.cxx	2015-07-14 19:22:49 +0000
-@@ -1811,10 +1811,14 @@
- #if POPPLER_VERSION_MAJOR <= 0 && (POPPLER_VERSION_MINOR <= 20 || (POPPLER_VERSION_MINOR == 21 && POPPLER_VERSION_MICRO <= 2))
-   maskSplash->drawImage(&imageSrc, &imgMaskData,
- 			splashModeMono8, gFalse, maskWidth, maskHeight, mat);
--#else
-+#elif POPPLER_VERSION_MAJOR <= 0 && POPPLER_VERSION_MINOR <= 33
-   maskSplash->drawImage(&imageSrc, &imgMaskData,
- 			splashModeMono8, gFalse, maskWidth, maskHeight,
-                         mat,gFalse);
-+#else
-+  maskSplash->drawImage(&imageSrc, 0, &imgMaskData,
-+                          splashModeMono8, gFalse, maskWidth, maskHeight,
-+			                          mat,gFalse);
- #endif
-   delete imgMaskData.imgStr;
-   maskStr->close();
-
-=== modified file 'filter/pdftoopvp/oprs/OPRS.cxx'
---- filter/pdftoopvp/oprs/OPRS.cxx	2013-01-09 10:42:32 +0000
-+++ filter/pdftoopvp/oprs/OPRS.cxx	2015-07-14 19:22:49 +0000
-@@ -240,8 +240,10 @@
-     if (rasterMode) {
- #if POPPLER_VERSION_MAJOR <= 0 && (POPPLER_VERSION_MINOR <= 20 || (POPPLER_VERSION_MINOR == 21 && POPPLER_VERSION_MICRO <= 2))
- 	return splash->drawImage(src,srcData,srcMode,srcAlpha,w,h,mat);
--#else
-+#elif POPPLER_VERSION_MAJOR <= 0 && POPPLER_VERSION_MINOR <= 33
- 	return splash->drawImage(src,srcData,srcMode,srcAlpha,w,h,mat,gFalse);
-+#else
-+	return splash->drawImage(src,0,srcData,srcMode,srcAlpha,w,h,mat,gFalse);
- #endif
-     } else {
- 	return opvpSplash->drawImage(src,srcData,srcMode,srcAlpha,w,h,mat);
-
diff --git a/cups-filters.spec b/cups-filters.spec
index 421736c..19789d2 100644
--- a/cups-filters.spec
+++ b/cups-filters.spec
@@ -3,8 +3,8 @@
 
 Summary: OpenPrinting CUPS filters and backends
 Name:    cups-filters
-Version: 1.0.71
-Release: 3%{?dist}
+Version: 1.0.73
+Release: 1%{?dist}
 
 # For a breakdown of the licensing, see COPYING file
 # GPLv2:   filters: commandto*, imagetoraster, pdftops, rasterto*,
@@ -19,9 +19,6 @@ License: GPLv2 and GPLv2+ and GPLv3 and GPLv3+ and LGPLv2+ and MIT
 
 Url:     http://www.linuxfoundation.org/collaborate/workgroups/openprinting/cups-filters
 Source0: http://www.openprinting.org/download/cups-filters/cups-filters-%{version}.tar.xz
-# Upstream patch for poppler 0.34 support
-# http://bzr.linuxfoundation.org/loggerhead/openprinting/cups-filters/revision/7371
-Patch0:  cups-filters-poppler34.patch
 
 Requires: cups-filters-libs%{?_isa} = %{version}-%{release}
 
@@ -116,7 +113,6 @@ This is the development package for OpenPrinting CUPS filters and backends.
 
 %prep
 %setup -q
-%patch0 -p0 -b .poppler34
 
 %build
 # work-around Rpath
@@ -216,6 +212,7 @@ fi
 %attr(0755,root,root) %{_cups_serverbin}/backend/parallel
 # Serial backend needs to run as root (bug #212577#c4).
 %attr(0700,root,root) %{_cups_serverbin}/backend/serial
+%attr(0755,root,root) %{_cups_serverbin}/backend/implicitclass
 %{_datadir}/cups/banners
 %{_datadir}/cups/charsets
 %{_datadir}/cups/data/*
@@ -249,6 +246,9 @@ fi
 %{_libdir}/libfontembed.so
 
 %changelog
+* Wed Aug 19 2015 Jiri Popelka <jpopelka@redhat.com> - 1.0.73-1
+- 1.0.73 - new implicitclass backend
+
 * Fri Jul 24 2015 David Tardon <dtardon@redhat.com> - 1.0.71-3
 - rebuild for Boost 1.58 to fix deps
 
diff --git a/sources b/sources
index 890caab..47afeb4 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-f1e11dfe5fa52eb65aa0bdd3a7ee0117  cups-filters-1.0.71.tar.xz
+7c8d792eb872be5a5b596409e5f05f40  cups-filters-1.0.73.tar.xz