diff --git a/src/gdal_dataset.cpp b/src/gdal_dataset.cpp
index f79661cb1..bbc168bc6 100644
--- a/src/gdal_dataset.cpp
+++ b/src/gdal_dataset.cpp
@@ -101,7 +101,7 @@ NAN_METHOD(Dataset::New) {
     Local<Value> layers = DatasetLayers::New(info.This());
     Nan::SetPrivate(info.This(), Nan::New("layers_").ToLocalChecked(), layers);
 
-    Local<Value> rootObj, bandsObj;
+    Local<Value> bandsObj;
 #if GDAL_VERSION_MAJOR > 3 || (GDAL_VERSION_MAJOR == 3 && GDAL_VERSION_MINOR >= 1)
     GDALDataset *gdal_ds = f->get();
     std::shared_ptr<GDALGroup> root = gdal_ds->GetRootGroup();
diff --git a/src/gdal_mdarray.cpp b/src/gdal_mdarray.cpp
index 2a9ea60e5..3e26792f2 100644
--- a/src/gdal_mdarray.cpp
+++ b/src/gdal_mdarray.cpp
@@ -108,7 +108,7 @@ Local<Value> MDArray::New(std::shared_ptr<GDALMDArray> raw, GDALDataset *parent_
 
   // add reference to datasource so datasource doesnt get GC'ed while group is
   // alive
-  Local<Object> ds, group;
+  Local<Object> ds;
   if (object_store.has(parent_ds)) {
     ds = object_store.get(parent_ds);
   } else {