diff --git a/hplip.spec b/hplip.spec
index 5b6ce63..b926877 100644
--- a/hplip.spec
+++ b/hplip.spec
@@ -164,10 +164,6 @@ rm -rf $RPM_BUILD_DIR/%{name}-%{version}
 # Fixed duplex handling in hpcups.drv (bug #533462).
 %patch16 -p1 -b .duplex-vs-number-up
 
-sed -i.duplex-constraints \
-    -e 's,\(UIConstraints.* \*Duplex\),//\1,' \
-    prnt/drv/hpcups.drv.in
-
 sed -i.duplex-constraints \
     -e 's,\(UIConstraints.* \*Duplex\),//\1,' \
     prnt/drv/hpcups.drv.in