diff --git a/packages/contracts/src/index.ts b/packages/contracts/src/index.ts
index a946a08..08846dc 100644
--- a/packages/contracts/src/index.ts
+++ b/packages/contracts/src/index.ts
@@ -73,16 +73,6 @@ export const traceSpanSchema = z.object({
 
   kind: z.enum(['workflow', 'agent', 'tool', 'llm', 'queue', 'memory', 'trigger', 'retry', 'replay']),
 
-  kind: z.enum([
-    'workflow',
-    'agent',
-    'tool',
-    'llm',
-    'queue',
-    'retry',
-    'replay',
-  ]),
-
   status: z.enum(['ok', 'error', 'running']),
   startedAt: z.string(),
   endedAt: z.string().nullable(),