diff --git a/packages/svelte/src/lib/types/edges.ts b/packages/svelte/src/lib/types/edges.ts
index 64a2c352..abc52497 100644
--- a/packages/svelte/src/lib/types/edges.ts
+++ b/packages/svelte/src/lib/types/edges.ts
@@ -48,8 +48,6 @@ export type EdgeLayouted = Omit<Edge, 'sourceHandle' | 'targetHandle'> & {
   targetPosition: Position;
   sourceHandleId?: string;
   targetHandleId?: string;
-  markerStart?: string;
-  markerEnd?: string;
 };
 
 export type EdgeProps = Pick<