diff --git a/pkg/hypercube/hypercubeset.go b/pkg/hypercube/hypercubeset.go
index 8a09076..0a55181 100644
--- a/pkg/hypercube/hypercubeset.go
+++ b/pkg/hypercube/hypercubeset.go
@@ -163,14 +163,6 @@ func (c *CanonicalSet) Subtract(other *CanonicalSet) *CanonicalSet {
 	}
 }
 
-func (c *CanonicalSet) getIntervalSetUnion() *interval.CanonicalSet {
-	res := interval.NewCanonicalSet()
-	for k := range c.layers {
-		res.Union(k)
-	}
-	return res
-}
-
 // ContainedIn returns true ic other contained in c
 func (c *CanonicalSet) ContainedIn(other *CanonicalSet) (bool, error) {
 	if c == other {
@@ -179,13 +171,11 @@ func (c *CanonicalSet) ContainedIn(other *CanonicalSet) (bool, error) {
 	if c.dimensions != other.dimensions {
 		return false, errors.New("ContainedIn mismatch between num of dimensions for input args")
 	}
-	if c.dimensions == 1 {
-		if len(c.layers) != 1 || len(other.layers) != 1 {
-			return false, errors.New("unexpected object of dimension size 1")
+	if c.dimensions == 0 {
+		if len(c.layers) != 0 || len(other.layers) != 0 {
+			return false, errors.New("unexpected non-empty object of dimension size 0")
 		}
-		cInterval := c.getIntervalSetUnion()
-		otherInterval := other.getIntervalSetUnion()
-		return cInterval.ContainedIn(otherInterval), nil
+		return true, nil
 	}
 
 	isSubsetCount := 0
diff --git a/pkg/hypercube/hypercubeset_test.go b/pkg/hypercube/hypercubeset_test.go
index d9aa962..dc178db 100644
--- a/pkg/hypercube/hypercubeset_test.go
+++ b/pkg/hypercube/hypercubeset_test.go
@@ -119,6 +119,13 @@ func TestContainedIn(t *testing.T) {
 	checkContained(t, b, a, false)
 }
 
+func TestContainedIn1(t *testing.T) {
+	checkContained(t, cube(1, 3), cube(2, 4), false)
+	checkContained(t, cube(2, 4), cube(1, 3), false)
+	checkContained(t, cube(1, 3), cube(1, 4), true)
+	checkContained(t, cube(1, 4), cube(1, 3), false)
+}
+
 func TestContainedIn2(t *testing.T) {
 	c := union(
 		cube(1, 100, 200, 300),