diff --git a/mcp/src/operations/graph.ts b/mcp/src/operations/graph.ts
index ef658e2..4cf91ab 100644
--- a/mcp/src/operations/graph.ts
+++ b/mcp/src/operations/graph.ts
@@ -14,7 +14,6 @@ export async function ingestKnowledgeGraph(args: IngestKG) {
   const response = await axiosInstance.post(`/ingest`, {
     episodeBody: args.message,
     source: process.env.SOURCE,
-    referenceTime: args.referenceTime,
     sessionId: undefined,
   });
   return response.data;
diff --git a/mcp/src/types/graph.ts b/mcp/src/types/graph.ts
index 9bb06d5..efd0284 100644
--- a/mcp/src/types/graph.ts
+++ b/mcp/src/types/graph.ts
@@ -9,7 +9,6 @@ export const SearchKGSchema = z.object({
 
 export const IngestKGSchema = z.object({
   message: z.string().describe("The data to ingest in text format"),
-  referenceTime: z.string().describe("The reference time in ISO format"),
 });
 
 export type SearchKG = z.infer<typeof SearchKGSchema>;