diff --git a/auth/src/test/java/io/grpc/auth/GoogleAuthLibraryCallCredentialsTest.java b/auth/src/test/java/io/grpc/auth/GoogleAuthLibraryCallCredentialsTest.java
index b34451bcf9..634cc1e46d 100644
--- a/auth/src/test/java/io/grpc/auth/GoogleAuthLibraryCallCredentialsTest.java
+++ b/auth/src/test/java/io/grpc/auth/GoogleAuthLibraryCallCredentialsTest.java
@@ -54,7 +54,6 @@ import java.net.URI;
 import java.security.KeyPair;
 import java.security.KeyPairGenerator;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Date;
 import java.util.List;
 import java.util.Map;