diff --git a/packages/core/src/types/edge.ts b/packages/core/src/types/edge.ts
index 56913db4..d57c8bbb 100644
--- a/packages/core/src/types/edge.ts
+++ b/packages/core/src/types/edge.ts
@@ -151,7 +151,7 @@ export interface EdgeProps<Data = ElementData, CustomEvents = {}> {
 }
 
 /** these props are passed to smooth step edges */
-export interface SmoothStepEdgeProps<Data = ElementData, CustomEvents = {}> extends EdgeProps<Data, CustomEvents> {
+export interface SmoothStepEdgeProps<Data = ElementData, CustomEvents = {}> extends Omit<EdgeProps<Data, CustomEvents>, 'type'> {
   borderRadius?: number
 }