1 files changed, 0 insertions, 35 deletions

diff --git a/cli/internal/util/graph.go b/cli/internal/util/graph.go
deleted file mode 100644
index 89de18c..0000000
--- a/cli/internal/util/graph.go
+++ /dev/null
@@ -1,35 +0,0 @@
-package util
-
-import (
-	"fmt"
-	"strings"
-
-	"github.com/pyr-sh/dag"
-)
-
-// ValidateGraph checks that a given DAG has no cycles and no self-referential edges.
-// We differ from the underlying DAG Validate method in that we allow multiple roots.
-func ValidateGraph(graph *dag.AcyclicGraph) error {
-	// We use Cycles instead of Validate because
-	// our DAG has multiple roots (entrypoints).
-	// Validate mandates that there is only a single root node.
-	cycles := graph.Cycles()
-	if len(cycles) > 0 {
-		cycleLines := make([]string, len(cycles))
-		for i, cycle := range cycles {
-			vertices := make([]string, len(cycle))
-			for j, vertex := range cycle {
-				vertices[j] = vertex.(string)
-			}
-			cycleLines[i] = "\t" + strings.Join(vertices, ",")
-		}
-		return fmt.Errorf("cyclic dependency detected:\n%s", strings.Join(cycleLines, "\n"))
-	}
-
-	for _, e := range graph.Edges() {
-		if e.Source() == e.Target() {
-			return fmt.Errorf("%s depends on itself", e.Source())
-		}
-	}
-	return nil
-}