diff --git lib/Debian/Debhelper/Dh_Lib.pm lib/Debian/Debhelper/Dh_Lib.pm
index 7cf59e0..1656c9b 100644
--- lib/Debian/Debhelper/Dh_Lib.pm
+++ lib/Debian/Debhelper/Dh_Lib.pm
@@ -2088,6 +2088,8 @@ sub _parse_debian_control {
 # - Takes an optional keyword; if passed, this will return true if the keyword is listed in R^3 (Rules-Requires-Root)
 # - If the optional keyword is omitted or not present in R^3 and R^3 is not 'binary-targets', then returns false
 # - Returns true otherwise (i.e. keyword is in R^3 or R^3 is 'binary-targets')
+{
+my %rrr;
 sub should_use_root {
 	my ($keyword) = @_;
 	my $rrr_env = $ENV{'DEB_RULES_REQUIRES_ROOT'} // 'binary-targets';
@@ -2097,10 +2099,11 @@ sub should_use_root {
 	return 1 if $rrr_env eq 'binary-targets';
 	return 0 if not defined($keyword);
 
-	state %rrr = map { $_ => 1 } split(' ', $rrr_env);
+	%rrr = map { $_ => 1 } split(' ', $rrr_env) if not %rrr;
 	return 1 if exists($rrr{$keyword});
 	return 0;
 }
+}
 
 # Returns the "gain root command" as a list suitable for passing as a part of the command to "doit()"
 sub gain_root_cmd {
@@ -2219,12 +2222,16 @@ sub is_udeb {
 	return package_type($package) eq 'udeb';
 }
 
-
+{
+my %packages_to_process;
 sub process_pkg {
 	my ($package) = @_;
-	state %packages_to_process = map { $_ => 1 } @{$dh{DOPACKAGES}};
+	if (not %packages_to_process) {
+		%packages_to_process = map { $_ => 1 } @{$dh{DOPACKAGES}};
+	}
 	return $packages_to_process{$package} // 0;
 }
+}
 
 # Only useful for dh(1)
 sub bd_dh_sequences {
@@ -3075,12 +3082,15 @@ sub perl_cross_incdir {
 	return $incdir;
 }
 
+{
+my %known_packages;
 sub is_known_package {
 	my ($package) = @_;
-	state %known_packages = map { $_ => 1 } getpackages();
+	%known_packages = map { $_ => 1 } getpackages() if not %known_packages;
 	return 1 if exists($known_packages{$package});
 	return 0
 }
+}
 
 sub assert_opt_is_known_package {
 	my ($package, $method) = @_;
-- 
2.35.3