diff --git a/.changeset/tall-humans-agree.md b/.changeset/tall-humans-agree.md
new file mode 100644
index 0000000..b785d26
--- /dev/null
+++ b/.changeset/tall-humans-agree.md
@@ -0,0 +1,5 @@
+---
+"@peeramid-labs/sdk": patch
+---
+
+fixed bugs in game master constructor type
diff --git a/src/rankify/GameMaster.ts b/src/rankify/GameMaster.ts
index 045f0c6..2a31c2b 100644
--- a/src/rankify/GameMaster.ts
+++ b/src/rankify/GameMaster.ts
@@ -36,9 +36,6 @@ export class GameMaster {
     randomnessCallback,
     turnSaltCallback,
   }: {
-    EIP712name: string;
-    EIP712Version: string;
-    instanceAddress: Address;
     walletClient: WalletClient;
     publicClient: PublicClient;
     chainId: number;