diff --git a/test/e2e/env/src/test/java/org/apache/shardingsphere/test/e2e/env/container/atomic/util/ContainerUtils.java b/test/e2e/env/src/test/java/org/apache/shardingsphere/test/e2e/env/container/atomic/util/ContainerUtils.java
index 6f16d90943960..7143c30280444 100644
--- a/test/e2e/env/src/test/java/org/apache/shardingsphere/test/e2e/env/container/atomic/util/ContainerUtils.java
+++ b/test/e2e/env/src/test/java/org/apache/shardingsphere/test/e2e/env/container/atomic/util/ContainerUtils.java
@@ -30,8 +30,6 @@ public final class ContainerUtils {
     
     private static final AtomicInteger ATOMIC_MYSQL_SERVER_ID = new AtomicInteger(1);
     
-    private static final AtomicInteger ATOMIC_STORAGE_CONTAINER_ID = new AtomicInteger(1);
-    
     /**
      * Generate a unique MySQL server id.
      *