diff --git a/src/graph/construction.ts b/src/graph/construction.ts
index 87800f8..b648604 100644
--- a/src/graph/construction.ts
+++ b/src/graph/construction.ts
@@ -1,14 +1,12 @@
 import { DirectedGraph } from "graphology";
 import type { TSchema, Static } from "@alkdev/typebox";
-import { willCreateCycle } from "graphology-dag";
+import { willCreateCycle, topologicalSort, hasCycle } from "graphology-dag";
 import {
   DuplicateNodeError,
   DuplicateEdgeError,
   NodeNotFoundError,
   CycleError,
 } from "../error/index.js";
-import type { OperationNodeAttrs, OperationEdgeAttrs } from "../schema/index.js";
-import { typeCompat, type TypeCompatResult } from "../analysis/type-compat.js";
 import type { CallStatus, AnyValidationError } from "../error/index.js";
 import {
   findCycles,
@@ -162,7 +160,6 @@ export class FlowGraph<
     return this._graph.outNeighbors(nodeId) ?? [];
   }
 
-<<<<<<< HEAD
   topologicalOrder(): string[] {
     if (hasCycle(this._graph)) {
       const cycles = findCycles(this._graph);
@@ -294,7 +291,6 @@ export class FlowGraph<
   validate(schema: TSchema): AnyValidationError[] {
     return _validate(this, schema as NodeAttrs);
   }
-  }
 
   static fromSpecs(
     _specs: unknown[],