diff --git a/test/loci/formats/utests/ZarrReaderMock.java b/test/loci/formats/utests/ZarrReaderMock.java
index 8575e4a..bc0cd23 100644
--- a/test/loci/formats/utests/ZarrReaderMock.java
+++ b/test/loci/formats/utests/ZarrReaderMock.java
@@ -44,7 +44,7 @@ public ZarrReaderMock(ZarrService zarrService) {
   }
 
   @Override
-  protected void initializeZarrService(String rootPath) throws IOException, FormatException {
+  protected void initializeZarrService() throws IOException, FormatException {
     zarrService = mockService;
   }
 }