diff --git a/examples/gno.land/p/demo/nestedpkg/gno.mod b/examples/gno.land/p/demo/nestedpkg/gno.mod
deleted file mode 100644
index b6db60926ca..00000000000
--- a/examples/gno.land/p/demo/nestedpkg/gno.mod
+++ /dev/null
@@ -1,3 +0,0 @@
-module gno.land/p/demo/nestedpkg
-
-require gno.land/r/demo/tests v0.0.0-latest
diff --git a/examples/gno.land/p/demo/nestedpkg/nestedpkg.gno b/examples/gno.land/p/demo/nestedpkg/nestedpkg.gno
deleted file mode 100644
index cf44dae007b..00000000000
--- a/examples/gno.land/p/demo/nestedpkg/nestedpkg.gno
+++ /dev/null
@@ -1,84 +0,0 @@
-// Package nestedpkg provides helpers for package-path based access control.
-// It is useful for upgrade patterns relying on namespaces.
-package nestedpkg
-
-import (
-	"std"
-	"strings"
-)
-
-// IsCallerSubPath checks if the caller realm is located in a subfolder of the current realm.
-func IsCallerSubPath() bool {
-	var (
-		cur  = std.CurrentRealm().PkgPath() + "/"
-		prev = std.PrevRealm().PkgPath() + "/"
-	)
-	return strings.HasPrefix(prev, cur)
-}
-
-// AssertCallerIsSubPath panics if IsCallerSubPath returns false.
-func AssertCallerIsSubPath() {
-	var (
-		cur  = std.CurrentRealm().PkgPath() + "/"
-		prev = std.PrevRealm().PkgPath() + "/"
-	)
-	if !strings.HasPrefix(prev, cur) {
-		panic("call restricted to nested packages. current realm is " + cur + ", previous realm is " + prev)
-	}
-}
-
-// IsCallerParentPath checks if the caller realm is located in a parent location of the current realm.
-func IsCallerParentPath() bool {
-	var (
-		cur  = std.CurrentRealm().PkgPath() + "/"
-		prev = std.PrevRealm().PkgPath() + "/"
-	)
-	return strings.HasPrefix(cur, prev)
-}
-
-// AssertCallerIsParentPath panics if IsCallerParentPath returns false.
-func AssertCallerIsParentPath() {
-	var (
-		cur  = std.CurrentRealm().PkgPath() + "/"
-		prev = std.PrevRealm().PkgPath() + "/"
-	)
-	if !strings.HasPrefix(cur, prev) {
-		panic("call restricted to parent packages. current realm is " + cur + ", previous realm is " + prev)
-	}
-}
-
-// IsSameNamespace checks if the caller realm and the current realm are in the same namespace.
-func IsSameNamespace() bool {
-	var (
-		cur  = nsFromPath(std.CurrentRealm().PkgPath()) + "/"
-		prev = nsFromPath(std.PrevRealm().PkgPath()) + "/"
-	)
-	return cur == prev
-}
-
-// AssertIsSameNamespace panics if IsSameNamespace returns false.
-func AssertIsSameNamespace() {
-	var (
-		cur  = nsFromPath(std.CurrentRealm().PkgPath()) + "/"
-		prev = nsFromPath(std.PrevRealm().PkgPath()) + "/"
-	)
-	if cur != prev {
-		panic("call restricted to packages from the same namespace. current realm is " + cur + ", previous realm is " + prev)
-	}
-}
-
-// nsFromPath extracts the namespace from a package path.
-func nsFromPath(pkgpath string) string {
-	parts := strings.Split(pkgpath, "/")
-
-	// Specifically for gno.land, potential paths are in the form of DOMAIN/r/NAMESPACE/...
-	// XXX: Consider extra checks.
-	// XXX: Support non gno.land domains, where p/ and r/ won't be enforced.
-	if len(parts) >= 3 {
-		return parts[2]
-	}
-	return ""
-}
-
-// XXX: Consider adding IsCallerDirectlySubPath
-// XXX: Consider adding IsCallerDirectlyParentPath
diff --git a/examples/gno.land/p/demo/nestedpkg/nestedpkg_test.gno b/examples/gno.land/p/demo/nestedpkg/nestedpkg_test.gno
deleted file mode 100644
index bc0a98f47fb..00000000000
--- a/examples/gno.land/p/demo/nestedpkg/nestedpkg_test.gno
+++ /dev/null
@@ -1,75 +0,0 @@
-package nestedpkg
-
-import (
-	"std"
-	"testing"
-
-	"gno.land/r/demo/tests"
-)
-
-func TestPackage(t *testing.T) {
-	// direct child
-	cur := "gno.land/r/demo/tests/foo"
-	std.TestSetRealm(std.NewCodeRealm(cur))
-	if !tests.IsCallerSubPath() {
-		t.Errorf(cur + " should be a sub path")
-	}
-	if tests.IsCallerParentPath() {
-		t.Errorf(cur + " should not be a parent path")
-	}
-	if !tests.HasCallerSameNamespace() {
-		t.Errorf(cur + " should be from the same namespace")
-	}
-
-	// grand-grand-child
-	cur = "gno.land/r/demo/tests/foo/bar/baz"
-	std.TestSetRealm(std.NewCodeRealm(cur))
-	if !tests.IsCallerSubPath() {
-		t.Errorf(cur + " should be a sub path")
-	}
-	if tests.IsCallerParentPath() {
-		t.Errorf(cur + " should not be a parent path")
-	}
-	if !tests.HasCallerSameNamespace() {
-		t.Errorf(cur + " should be from the same namespace")
-	}
-
-	// direct parent
-	cur = "gno.land/r/demo"
-	std.TestSetRealm(std.NewCodeRealm(cur))
-	if tests.IsCallerSubPath() {
-		t.Errorf(cur + " should not be a sub path")
-	}
-	if !tests.IsCallerParentPath() {
-		t.Errorf(cur + " should be a parent path")
-	}
-	if !tests.HasCallerSameNamespace() {
-		t.Errorf(cur + " should be from the same namespace")
-	}
-
-	// fake parent (prefix)
-	cur = "gno.land/r/dem"
-	std.TestSetRealm(std.NewCodeRealm(cur))
-	if tests.IsCallerSubPath() {
-		t.Errorf(cur + " should not be a sub path")
-	}
-	if tests.IsCallerParentPath() {
-		t.Errorf(cur + " should not be a parent path")
-	}
-	if tests.HasCallerSameNamespace() {
-		t.Errorf(cur + " should not be from the same namespace")
-	}
-
-	// different namespace
-	cur = "gno.land/r/foo"
-	std.TestSetRealm(std.NewCodeRealm(cur))
-	if tests.IsCallerSubPath() {
-		t.Errorf(cur + " should not be a sub path")
-	}
-	if tests.IsCallerParentPath() {
-		t.Errorf(cur + " should not be a parent path")
-	}
-	if tests.HasCallerSameNamespace() {
-		t.Errorf(cur + " should not be from the same namespace")
-	}
-}
diff --git a/examples/gno.land/r/demo/tests/gno.mod b/examples/gno.land/r/demo/tests/gno.mod
index c51571e7d04..f34d41d327a 100644
--- a/examples/gno.land/r/demo/tests/gno.mod
+++ b/examples/gno.land/r/demo/tests/gno.mod
@@ -1,6 +1,3 @@
 module gno.land/r/demo/tests
 
-require (
-	gno.land/p/demo/nestedpkg v0.0.0-latest
-	gno.land/r/demo/tests/subtests v0.0.0-latest
-)
+require gno.land/r/demo/tests/subtests v0.0.0-latest
diff --git a/examples/gno.land/r/demo/tests/tests.gno b/examples/gno.land/r/demo/tests/tests.gno
index 421ac6528c9..773412c3db9 100644
--- a/examples/gno.land/r/demo/tests/tests.gno
+++ b/examples/gno.land/r/demo/tests/tests.gno
@@ -3,7 +3,6 @@ package tests
 import (
 	"std"
 
-	"gno.land/p/demo/nestedpkg"
 	rsubtests "gno.land/r/demo/tests/subtests"
 )
 
@@ -100,15 +99,3 @@ func GetRSubtestsPrevRealm() std.Realm {
 func Exec(fn func()) {
 	fn()
 }
-
-func IsCallerSubPath() bool {
-	return nestedpkg.IsCallerSubPath()
-}
-
-func IsCallerParentPath() bool {
-	return nestedpkg.IsCallerParentPath()
-}
-
-func HasCallerSameNamespace() bool {
-	return nestedpkg.IsSameNamespace()
-}