diff --git a/google-cloud-clients/google-cloud-spanner/src/main/java/com/google/cloud/spanner/SpannerImpl.java b/google-cloud-clients/google-cloud-spanner/src/main/java/com/google/cloud/spanner/SpannerImpl.java
index 0a9ea3052c74..c45a10c8fdc2 100644
--- a/google-cloud-clients/google-cloud-spanner/src/main/java/com/google/cloud/spanner/SpannerImpl.java
+++ b/google-cloud-clients/google-cloud-spanner/src/main/java/com/google/cloud/spanner/SpannerImpl.java
@@ -55,9 +55,6 @@
 import com.google.protobuf.FieldMask;
 import com.google.protobuf.InvalidProtocolBufferException;
 import com.google.protobuf.Message;
-import com.google.spanner.admin.database.v1.CreateDatabaseMetadata;
-import com.google.spanner.admin.database.v1.UpdateDatabaseDdlMetadata;
-import com.google.protobuf.Value.KindCase;
 import com.google.spanner.admin.instance.v1.CreateInstanceMetadata;
 import com.google.spanner.admin.instance.v1.UpdateInstanceMetadata;
 import com.google.spanner.v1.BeginTransactionRequest;
@@ -84,8 +81,6 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Random;
-import java.util.UUID;
-import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.Callable;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ExecutionException;