diff --git a/core/src/main/java/com/datastrato/gravitino/GravitinoEnv.java b/core/src/main/java/com/datastrato/gravitino/GravitinoEnv.java
index a2c9b710a1e..326e75f721a 100644
--- a/core/src/main/java/com/datastrato/gravitino/GravitinoEnv.java
+++ b/core/src/main/java/com/datastrato/gravitino/GravitinoEnv.java
@@ -40,7 +40,6 @@
 import com.datastrato.gravitino.metrics.source.JVMMetricsSource;
 import com.datastrato.gravitino.storage.IdGenerator;
 import com.datastrato.gravitino.storage.RandomIdGenerator;
-import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Preconditions;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -98,18 +97,6 @@ public static GravitinoEnv getInstance() {
     return InstanceHolder.INSTANCE;
   }
 
-  /**
-   * This method is used for testing purposes only to set the lock manager for test in package as
-   * tree lock depends on the lock manager and we did not mock the lock manager in the test, so we
-   * need to set the lock manager for test.
-   *
-   * @param lockManager The lock manager to be set.
-   */
-  @VisibleForTesting
-  public void setLockManager(LockManager lockManager) {
-    this.lockManager = lockManager;
-  }
-
   /**
    * Initialize the Gravitino environment.
    *