diff --git a/server/src/test/java/org/opensearch/index/query/SourceFieldMatchQueryTests.java b/server/src/test/java/org/opensearch/index/query/SourceFieldMatchQueryTests.java
index dc98b2f4faf1c..294c246bd1f99 100644
--- a/server/src/test/java/org/opensearch/index/query/SourceFieldMatchQueryTests.java
+++ b/server/src/test/java/org/opensearch/index/query/SourceFieldMatchQueryTests.java
@@ -21,7 +21,6 @@
 import java.util.List;
 import java.util.Set;
 
-import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.when;
 
 public class SourceFieldMatchQueryTests extends MapperServiceTestCase {