diff --git a/src/setting/Hash.pm b/src/setting/Hash.pm
index e3d3f58..8df0067 100644
--- a/src/setting/Hash.pm
+++ b/src/setting/Hash.pm
@@ -75,6 +75,6 @@ module Hash {
 Construct a hash from named arguments.
 =end item
 
-sub hash(*%h) { %h }
+our sub hash(*%h) { %h }
 
 # vim: ft=perl6
diff --git a/src/setting/IO.pm b/src/setting/IO.pm
index 17cef18..39f2d95 100644
--- a/src/setting/IO.pm
+++ b/src/setting/IO.pm
@@ -10,7 +10,7 @@ IO Methods and Functions
 Returns the contents of C<$filename> as a single string.
 =end
 
-sub slurp ($filename) {
+our sub slurp ($filename) {
     my $handle := pir::open__Pss($file, 'r');
     my $contents := $handle.readall;
     pir::close($handle);
@@ -22,7 +22,7 @@ sub slurp ($filename) {
 Write the string value of C<$contents> to C<$filename>.
 =end item
 
-sub spew($filename, $contents) {
+our sub spew($filename, $contents) {
     my $handle := pir::open__Pss($filename, 'w');
     $handle.print($contents);
     pir::close($handle);
diff --git a/src/setting/Regex.pm b/src/setting/Regex.pm
index ae6036e..2d95ae5 100644
--- a/src/setting/Regex.pm
+++ b/src/setting/Regex.pm
@@ -11,7 +11,7 @@ Match C<$text> against C<$regex>.  If the C<$global> flag is
 given, then return an array of all non-overlapping matches.
 =end item
 
-sub match ($text, $regex, :$global?) {
+our sub match ($text, $regex, :$global?) {
     my $match := $text ~~ $regex;
     if $global {
         my @matches;
@@ -33,7 +33,7 @@ returning the substituted string.  If C<$global> is given, then
 perform the replacement on all matches of C<$text>.
 =end item
 
-sub subst ($text, $regex, $repl, :$global?) {
+our sub subst ($text, $regex, $repl, :$global?) {
     my @matches := $global ?? match($text, $regex, :global)
                            !! [ $text ~~ $regex ];
     my $is_code := pir::isa($repl, 'Sub');
diff --git a/src/setting/ResizablePMCArray.pm b/src/setting/ResizablePMCArray.pm
index 64c8d53..47cc273 100644
--- a/src/setting/ResizablePMCArray.pm
+++ b/src/setting/ResizablePMCArray.pm
@@ -44,8 +44,8 @@ module ResizablePMCArray {
 }
 
 
-sub join ($separator, *@values) { @values.join($separator); }
-sub map (&code, *@values) { @values.map(&code); }
-sub list (*@values) { @values; }
+our sub join ($separator, *@values) { @values.join($separator); }
+our sub map (&code, *@values) { @values.map(&code); }
+our sub list (*@values) { @values; }
 
 # vim: ft=perl6