diff --git a/terraform/graph_config_node_module.go b/terraform/graph_config_node_module.go
deleted file mode 100644
index 65de63f82..000000000
--- a/terraform/graph_config_node_module.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package terraform
-
-import (
-	"fmt"
-	"strings"
-)
-
-func modulePrefixStr(p []string) string {
-	parts := make([]string, 0, len(p)*2)
-	for _, p := range p[1:] {
-		parts = append(parts, "module", p)
-	}
-
-	return strings.Join(parts, ".")
-}
-
-func modulePrefixList(result []string, prefix string) []string {
-	if prefix != "" {
-		for i, v := range result {
-			result[i] = fmt.Sprintf("%s.%s", prefix, v)
-		}
-	}
-
-	return result
-}
diff --git a/terraform/transform_reference.go b/terraform/transform_reference.go
index 7d8a5445d..c5452354d 100644
--- a/terraform/transform_reference.go
+++ b/terraform/transform_reference.go
@@ -300,3 +300,22 @@ func ReferenceFromInterpolatedVar(v config.InterpolatedVariable) []string {
 		return nil
 	}
 }
+
+func modulePrefixStr(p []string) string {
+	parts := make([]string, 0, len(p)*2)
+	for _, p := range p[1:] {
+		parts = append(parts, "module", p)
+	}
+
+	return strings.Join(parts, ".")
+}
+
+func modulePrefixList(result []string, prefix string) []string {
+	if prefix != "" {
+		for i, v := range result {
+			result[i] = fmt.Sprintf("%s.%s", prefix, v)
+		}
+	}
+
+	return result
+}