diff --git a/core/src/test/java/io/grpc/internal/DelayedClientTransportTest.java b/core/src/test/java/io/grpc/internal/DelayedClientTransportTest.java
index 0f51d3f62d..41a97d62f9 100644
--- a/core/src/test/java/io/grpc/internal/DelayedClientTransportTest.java
+++ b/core/src/test/java/io/grpc/internal/DelayedClientTransportTest.java
@@ -46,7 +46,6 @@ import io.grpc.StringMarshaller;
 import io.grpc.SynchronizationContext;
 import io.grpc.internal.ClientStreamListener.RpcProgress;
 import java.util.concurrent.CyclicBarrier;
-import java.util.concurrent.Executor;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 import org.junit.After;
@@ -81,7 +80,6 @@ public class DelayedClientTransportTest {
   @Mock private ClientStream mockRealStream;
   @Mock private ClientStream mockRealStream2;
   @Mock private ClientStreamListener streamListener;
-  @Mock private Executor mockExecutor;
   @Captor private ArgumentCaptor<Status> statusCaptor;
   @Captor private ArgumentCaptor<ClientStreamListener> listenerCaptor;
 
diff --git a/core/src/test/java/io/grpc/util/MutableHandlerRegistryTest.java b/core/src/test/java/io/grpc/util/MutableHandlerRegistryTest.java
index c80d42f8ea..d499528cf0 100644
--- a/core/src/test/java/io/grpc/util/MutableHandlerRegistryTest.java
+++ b/core/src/test/java/io/grpc/util/MutableHandlerRegistryTest.java
@@ -60,9 +60,6 @@ public class MutableHandlerRegistryTest {
   @Mock
   private ServerCallHandler<String, Integer> fewHandler;
 
-  @Mock
-  private ServerCallHandler<String, Integer>  otherFlowHandler;
-
   private ServerServiceDefinition basicServiceDefinition;
   private ServerServiceDefinition multiServiceDefinition;