diff --git a/app/Plan/UseCases/CreatePlan.php b/app/Plan/UseCases/CreatePlan.php
index 2ce21c4..cf9a3d2 100644
--- a/app/Plan/UseCases/CreatePlan.php
+++ b/app/Plan/UseCases/CreatePlan.php
@@ -35,7 +35,9 @@ class CreatePlan
         }
         $textId = $request->textId;
         $text = $this->textRepo->find($textId);
-        $nodesOfText = $this->nodeRepo->findByTextId($textId);
+        $nodesOfText = $this->filterForNonParentNodes(
+            $this->nodeRepo->findByTextId($textId)
+        );
         $plan = $this->planRepo->create(new CreatePlanDto(
             name: $request->name,
             user: $user,
@@ -51,4 +53,22 @@ class CreatePlan
 
         return $plan;
     }
+
+    /**
+     * @param  Node[] $nodes
+     * @return Node[]
+     */
+    private function filterForNonParentNodes(array $nodes): array
+    {
+        $result = [];
+        foreach ($nodes as $node) {
+            $result[$node->getId()] = $node;
+
+            $parentNode = $node->getParentNode();
+            if ($parentNode !== null) {
+                unset($result[$parentNode->getId()]);
+            }
+        }
+        return array_values($result);
+    }
 }