diff --git a/api/src/main/java/io/grpc/CallCredentials.java b/api/src/main/java/io/grpc/CallCredentials.java
index 4ad1f52c180..31b68b22dae 100644
--- a/api/src/main/java/io/grpc/CallCredentials.java
+++ b/api/src/main/java/io/grpc/CallCredentials.java
@@ -60,6 +60,7 @@ public abstract void applyRequestMetadata(
    * a no-op implementation. This method is marked deprecated to allow extenders time to remove the
    * method before it is removed here.
    */
+  @ExperimentalApi("https://github.com/grpc/grpc-java/issues/1914")
   @Deprecated
   public void thisUsesUnstableApi() {
   }