diff --git a/src/types/chaindata.ts b/src/types/chaindata.ts
index e642e2c9..289c09d2 100644
--- a/src/types/chaindata.ts
+++ b/src/types/chaindata.ts
@@ -139,5 +139,4 @@ export interface ChainConfig {
     address_limit: number;
     fees: string;
   };
-  blocktime_ms?: number;
 }