diff --git a/packages/workflow/src/NodeHelpers.ts b/packages/workflow/src/NodeHelpers.ts
index 1a58de2302a3a..9e68a03a8088a 100644
--- a/packages/workflow/src/NodeHelpers.ts
+++ b/packages/workflow/src/NodeHelpers.ts
@@ -352,13 +352,6 @@ const declarativeNodeOptionParameters: INodeProperties = {
 	],
 };
 
-/**
- * Determines if the node is of INodeType
- */
-export function isINodeType(obj: unknown): obj is INodeType {
-	return typeof obj === 'object' && obj !== null && 'execute' in obj;
-}
-
 /**
  * Modifies the description of the passed in object, such that it can be used
  * as an AI Agent Tool.