diff --git a/databricks-sdk-java/src/main/java/com/databricks/sdk/core/oauth/RefreshableTokenSource.java b/databricks-sdk-java/src/main/java/com/databricks/sdk/core/oauth/RefreshableTokenSource.java
index c4afd0859..588be1146 100644
--- a/databricks-sdk-java/src/main/java/com/databricks/sdk/core/oauth/RefreshableTokenSource.java
+++ b/databricks-sdk-java/src/main/java/com/databricks/sdk/core/oauth/RefreshableTokenSource.java
@@ -45,8 +45,7 @@ protected enum TokenState {
   // The current OAuth token. May be null if not yet fetched.
   protected volatile Token token;
   // Whether asynchronous refresh is enabled.
-  private boolean asyncEnabled =
-      Boolean.parseBoolean(System.getenv("DATABRICKS_ENABLE_EXPERIMENTAL_ASYNC_TOKEN_REFRESH"));
+  private boolean asyncEnabled = true;
   // Duration before expiry to consider a token as 'stale'.
   private Duration staleDuration = DEFAULT_STALE_DURATION;
   // Additional buffer before expiry to consider a token as expired.