diff --git a/asset-transfer-basic/chaincode-java/build.gradle b/asset-transfer-basic/chaincode-java/build.gradle
index d227840e..ba6d051b 100644
--- a/asset-transfer-basic/chaincode-java/build.gradle
+++ b/asset-transfer-basic/chaincode-java/build.gradle
@@ -31,7 +31,7 @@ repositories {
 }
 
 application {
-    mainClass = 'org.hyperledger.fabric.samples.assettransfer.ContractMain'
+    mainClass = 'org.hyperledger.fabric.contract.ContractRouter'
 }
 
 checkstyle {
diff --git a/asset-transfer-basic/chaincode-java/src/main/java/org/hyperledger/fabric/samples/assettransfer/ContractMain.java b/asset-transfer-basic/chaincode-java/src/main/java/org/hyperledger/fabric/samples/assettransfer/ContractMain.java
deleted file mode 100644
index 18b07e27..00000000
--- a/asset-transfer-basic/chaincode-java/src/main/java/org/hyperledger/fabric/samples/assettransfer/ContractMain.java
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * SPDX-License-Identifier: Apache-2.0
- */
-package org.hyperledger.fabric.samples.assettransfer;
-
-import org.hyperledger.fabric.contract.ContractRouter;
-
-public final class ContractMain {
-
-    private ContractMain() {
-    }
-
-    public static void main(final String[] args) throws Exception {
-        if (!System.getenv().containsKey("CHAINCODE_SERVER_ADDRESS")) {
-            throw new IllegalArgumentException("Missing required 'CHAINCODE_SERVER_ADDRESS' parameter from env");
-
-        } else if (!System.getenv().containsKey("CORE_CHAINCODE_ID_NAME")) {
-            throw new IllegalArgumentException("Missing required 'CORE_CHAINCODE_ID_NAME' parameter from env");
-        }
-
-        ContractRouter.main(args);
-    }
-}