diff --git a/lib/core.ts b/lib/core.ts
index 748d6d6..2a1a394 100644
--- a/lib/core.ts
+++ b/lib/core.ts
@@ -1560,12 +1560,7 @@ export class TinyHyperGraphSolver extends BaseSolver {
     const routeId = this.state.currentRouteId!
     const directedHopCountToEnd =
       this.problemSetup.directedHopCountToEndByRoute[routeId]
-    const endPortId = this.problem.routeEndPort[routeId]!
-
-    if (
-      directedHopCountToEnd &&
-      this.topology.portZ[neighborPortId] !== this.topology.portZ[endPortId]
-    ) {
+    if (directedHopCountToEnd) {
       const directedHopCount = getDirectedRouteHopCount(
         this.topology,
         directedHopCountToEnd,