diff -up ALPM-3.06/lib/ALPM/Conf.pm.orig ALPM-3.06/lib/ALPM/Conf.pm
--- ALPM-3.06/lib/ALPM/Conf.pm.orig	2015-06-12 01:42:44.000000000 -0600
+++ ALPM-3.06/lib/ALPM/Conf.pm	2020-03-04 02:16:18.390000000 -0700
@@ -111,7 +111,6 @@ my %CFGOPTS = (
 	'GPGDir' => 'gpgdir',
 	'LogFile' => 'logfile',
 	'UseSyslog' => 'usesyslog',
-	'UseDelta' => 'usedelta',
 	'CheckSpace' => 'checkspace',
 	'IgnorePkg' => 'ignorepkgs',
 	'IgnoreGroup' => 'ignoregrps',
diff -up ALPM-3.06/lib/ALPM/Package.pod.orig ALPM-3.06/lib/ALPM/Package.pod
--- ALPM-3.06/lib/ALPM/Package.pod.orig	2015-07-08 03:01:21.000000000 -0600
+++ ALPM-3.06/lib/ALPM/Package.pod	2020-03-04 02:16:28.510000000 -0700
@@ -81,8 +81,6 @@ anyways.
 
 =item * provides
 
-=item * deltas
-
 =item * replaces
 
 =item * files
diff -up ALPM-3.06/lib/ALPM.pod.orig ALPM-3.06/lib/ALPM.pod
--- ALPM-3.06/lib/ALPM.pod.orig	2015-07-08 03:01:21.000000000 -0600
+++ ALPM-3.06/lib/ALPM.pod	2020-03-04 02:16:37.200000000 -0700
@@ -377,8 +377,6 @@ a dependency.  The accessor returns a li
 
 =item B<usesyslog> - if true, log to the system log as well
 
-=item B<deltaratio> - accepts a decimal from 0 to 1
-
 =item B<checkspace> - check for available diskspace
 
 =item B<defsiglvl> - the default signature level. See L</Signature Level>.
diff -up ALPM-3.06/t/00-ALPM.t.orig ALPM-3.06/t/00-ALPM.t
--- ALPM-3.06/t/00-ALPM.t.orig	2015-03-14 08:26:04.000000000 -0600
+++ ALPM-3.06/t/00-ALPM.t	2020-03-04 02:15:35.830000000 -0700
@@ -35,7 +35,6 @@ ok $alpm->version; # just checks it work
 	'ignorepkgs' => [ 'baz' ],
 	'ignoregroups' => [ 'core' ],
 	'usesyslog' => 0,
-	'deltaratio' => 0.5,
 	'checkspace' => 1,
 );
 
diff -up ALPM-3.06/t/03-Package.t.orig ALPM-3.06/t/03-Package.t
--- ALPM-3.06/t/03-Package.t.orig	2015-03-14 08:26:04.000000000 -0600
+++ ALPM-3.06/t/03-Package.t	2020-03-04 02:15:52.490000000 -0700
@@ -29,7 +29,7 @@ my @methnames = qw{ requiredby name vers
                     url builddate installdate packager
                     arch arch size isize reason
                     licenses groups depends optdepends
-                    conflicts provides deltas replaces
+                    conflicts provides replaces
                     files backup };
 
 for my $mname (@methnames) {
diff -up ALPM-3.06/xs/Options.xs.orig ALPM-3.06/xs/Options.xs
--- ALPM-3.06/xs/Options.xs.orig	2015-07-08 03:01:21.000000000 -0600
+++ ALPM-3.06/xs/Options.xs	2020-03-04 02:15:06.400000000 -0700
@@ -238,15 +238,6 @@ INTERFACE:
 	alpm_option_set_usesyslog
 	alpm_option_set_checkspace
 
-double
-alpm_option_get_deltaratio(self)
-	ALPM_Handle self
-
-SetOption
-alpm_option_set_deltaratio(self, ratio)
-	ALPM_Handle self
-	double ratio
-
 SetOption
 alpm_option_add_assumeinstalled(self, dep)
 	 ALPM_Handle self
diff -up ALPM-3.06/xs/Package.xs.orig ALPM-3.06/xs/Package.xs
--- ALPM-3.06/xs/Package.xs.orig	2015-06-10 09:17:33.000000000 -0600
+++ ALPM-3.06/xs/Package.xs	2020-03-04 02:15:19.700000000 -0700
@@ -104,7 +104,6 @@ INTERFACE:
 	alpm_pkg_get_optdepends
 	alpm_pkg_get_conflicts
 	alpm_pkg_get_provides
-	alpm_pkg_get_deltas
 	alpm_pkg_get_replaces
 	alpm_pkg_get_backup